![Page 1: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/1.jpg)
Curs 32016/2017
![Page 2: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/2.jpg)
2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2
E – 50% din nota
probleme + (? 1 subiect teorie) + (2p prez. curs)▪ 3p=+0.5p
toate materialele permise Laborator – sl. Radu Damian Joi 8-14 impar II.13
L – 25% din nota
P – 25% din nota
![Page 3: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/3.jpg)
http://rf-opto.etti.tuiasi.ro
![Page 4: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/4.jpg)
RF-OPTO
http://rf-opto.etti.tuiasi.ro
Fotografie
de trimis prin email: [email protected]
necesara la laborator/curs
▪ <=C3, +1p
▪ <=C5, +0.5p
![Page 5: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/5.jpg)
![Page 6: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/6.jpg)
Personalizat
![Page 7: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/7.jpg)
0 dBm = 1 mW
3 dBm = 2 mW5 dBm = 3 mW10 dBm = 10 mW20 dBm = 100 mW
-3 dBm = 0.5 mW-10 dBm = 100 W-30 dBm = 1 W-60 dBm = 1 nW
0 dB = 1
+ 0.1 dB = 1.023 (+2.3%)+ 3 dB = 2+ 5 dB = 3+ 10 dB = 10
-3 dB = 0.5-10 dB = 0.1-20 dB = 0.01-30 dB = 0.001
dB = 10 • log10 (P2 / P1) dBm = 10 • log10 (P / 1 mW)
[dBm] + [dB] = [dBm]
[dBm/Hz] + [dB] = [dBm/Hz]
[x] + [dB] = [x]
![Page 8: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/8.jpg)
![Page 9: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/9.jpg)
t
BE
Jt
DH
D
0 B
tJ
Câmpuri electromagnetice cu variaţie armonică în timp în medii lipsite de sarcini electrice
022 EE
022 HH
j 22
γ – Constanta de propagare
![Page 10: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/10.jpg)
Camp electric dupa directia Oy, propagare dupa directia Oz
zz
y eEeEE
jj2
Propagare
unda
incidenta
reflectata
unda
directa
inversa
ztjzy eeEE
ztjzy eeEE
const zt
const zt
punctelede fazaconstanta:
ztjzztjzy eeEeeEE
ztjzztjzz eeHeeHH
![Page 11: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/11.jpg)
Lungimea electrica a unui circuit l – lungimea fizica
E = β·l – lungimea electrica
Dependenta castigul antenei
imaginea unui obiect pe radar
lllE 2
2
rflc
lE
0
2
V, I variabile~ inutile
![Page 12: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/12.jpg)
Comportarea(descrierea) unuicircuit depinde de lungimea saelectrica la frecventele de interes E≈0 Kirchhoff
E>0 propagare
lllE 2
2
![Page 13: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/13.jpg)
cazuri particulare in care exista rezolvare analitica
semnale cu variaţie armonică în timp, transformataFourier, spectru
Xjt
XeXX tj
0
dtetfg tj
degtf tj
![Page 14: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/14.jpg)
dtetfg tj
![Page 15: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/15.jpg)
dtetfg tj
degtf tj
![Page 16: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/16.jpg)
cazuri particulare in care exista rezolvare analitica
unda
▪ incidenta
▪ reflectata
unda
▪ directa
▪ inversa
zz
IN eEeEE
11
ztjzztjzy eeEeeEE
zz
OUT eEeEE
22
INE
zeE
1
zeE
1
zeE
2
zeE
2
OUTE
![Page 17: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/17.jpg)
cazuri particulare in care exista rezolvare analitica
moduri in medii delimitate
1
ii ModAE ii ModEA ,
INEOUTE
N
iiOUT ModBE1
1A
NA
1B
NB
iINi ModEA ,
![Page 18: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/18.jpg)
Generator adaptat la sarcina ?
Ei
Zi
ZL
I
V
valori impedanta ? reflexii ?
![Page 19: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/19.jpg)
iL RR
![Page 20: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/20.jpg)
![Page 21: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/21.jpg)
![Page 22: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/22.jpg)
Puterea disponibila (available)
L
Li
L
Lii
iL
R
XX
R
RRR
EP
22
2
4
0,0 Li RR
a
i
iL P
R
EP
4
2
max iLiL XXRR ,
*iL ZZ
![Page 23: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/23.jpg)
Generatorul are posibilitatea de a oferi o anumita puteremaxima de semnal Pa
Pentru o sarcina oarecare, acesteia i se ofera o putere de semnal mai mica PL < Pa
Se intampla “ca si cum” (model) o parte din putere se reflectaPr = Pa – PL
Puterea este o marime scalara!
Ei
ZiPa
aL
iL
PP
ZZ
*
Ei
Zi ZL
PL
Ei
Zi
ZL
Pa PL
Pr
+
![Page 24: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/24.jpg)
![Page 25: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/25.jpg)
mod TEM, doi conductoriI(z,t)
V(z,t)
z
![Page 26: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/26.jpg)
mod TEM, doi conductoriI(z,t)
V(z,t)
Δz
I(z+Δz,t)
V(z+Δz,t)
L·ΔzR·Δz
G·Δz C·Δz
![Page 27: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/27.jpg)
domeniu timp
semnale sinusoidale
t
tziLtziR
z
tzv
,,
,
t
tzvCtzvG
z
tzi
,,
,
zILjR
dz
zdV
zVCjG
dz
zdI
![Page 28: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/28.jpg)
02
2
2
zVdz
zVd
02
2
2
zIdz
zId
CjGLjRj
022 EE
022 HH
j 22
zz
y eEeEE
![Page 29: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/29.jpg)
Impedantacaracteristica a liniei
zz eVeVzV 00
zz eIeIzI 00
zILjR
dz
zdV
zz eVeVzV 00
zz eVeVLjR
zI
00
CjG
LjRLjRZ
0
CjGLjRj
2 fv f
0
00
0
0
I
VZ
I
V
![Page 30: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/30.jpg)
R=G=0
CLjCjGLjRj
CL ;0
C
L
CjG
LjRZ
0 Z0 real
zjzj eVeVzV 00
zjzj eZ
Ve
Z
VzI
0
0
0
0LC
2
LCv f
1
![Page 31: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/31.jpg)
coeficient de reflexie in tensiune
ΓL
Z0 ZL
0
0
0
0
ZZ
ZZ
V
V
L
L
l
0
0
0
I
VZL 0
00
00 ZVV
VVZL
zjzj eVeVzV 00
zjzj eZ
Ve
Z
VzI
0
0
0
0
Z0 real
![Page 32: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/32.jpg)
Puterea medie
zjzj eeVzV 0 zjzj ee
Z
VzI
0
0
Puterea transmisa sarcinii = Puterea incidenta -Puterea “reflectata”
Return Loss [dB]
![Page 33: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/33.jpg)
impedanta la intrarealiniei
ΓL
Z0 ZL
-l0
lI
lVZin
lj
lj
ine
eZZ
2
2
01
1
ljlj eVeVlV 00
ljlj eZ
Ve
Z
VlI
0
0
0
0
Zin
lj
Llj
L
ljL
ljL
ineZZeZZ
eZZeZZZZ
00
000
lZjZ
lZjZZZ
L
Lin
tan
tan
0
00
![Page 34: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/34.jpg)
lZjZ
lZjZZZ
L
Lin
tan
tan
0
00
![Page 35: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/35.jpg)
impedanta la intrarea liniei de impedantacaracteristica Z0 , de lungime l , terminata cu impedanta ZL
lZjZ
lZjZZZ
L
Lin
tan
tan
0
00
ΓL
Z0 ZL
-l 0
Zin
![Page 36: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/36.jpg)
Modificarea impedantei de intrare prinalegerea judicioasa a liniilor astfel incatgeneratorul sa fie adaptat cu sarcina sa
![Page 37: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/37.jpg)
relatia este dependenta de frecventa prinvaloarea
lZjZ
lZjZZZ
L
Lin
tan
tan
0
00
ΓL
Z0 ZL
-l 0
Zin
2fv f
l
fv
ll
v
fll
ff
222
dependenta de frecventa este periodica,impusa de functia tangenta
![Page 38: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/38.jpg)
impedanta de intrare este dependenta de frecventa, deci si calitatea adaptarii este dependenta de frecventa
![Page 39: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/39.jpg)
coeficientul de reflexie la intrarea liniei
ΓL
Z0 ZL
-l 0
Zin
ΓIN
zjzj eVeVzV 00
ljlj eVeVlV 00
0
00V
VL 000 VVV
zV
zVz
0
0
lj
lj
lj
IN eeV
eVl
2
0
0 0
00 2 ljel
![Page 40: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/40.jpg)
reactanţa pură
+/- in funcţie de l
lZjZin tan0
lZjZ
lZjZZZ
L
Lin
tan
tan
0
00
![Page 41: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/41.jpg)
lZjZin cot0
reactanţa pură
+/- in funcţie de l
lZjZ
lZjZZZ
L
Lin
tan
tan
0
00
![Page 42: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/42.jpg)
se defineste factorul de unda stationara (Voltage) Standing Wave Ratio
numar real 1 < VSWR <
o masura a dezadaptarii (SWR = 1 semnifica adaptare)
zjzj eeVzV 0
zjzj eeVzV 20 1
je
zjeVzV 20 1
12 zje amplitudine maxima pentru 10max VV
12 zje 10min VV
1
1
min
max
V
VVSWR
amplitudine minima pentru
![Page 43: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/43.jpg)
![Page 44: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/44.jpg)
are ca scop separarea unui circuit complex in blocuri individuale
acestea se analizeaza separat (decuplate de restul circuitului) si se caracterizeaza doar prinintermediul porturilor (cutie neagra)
analiza la nivel de retea permite cuplarearezultatelor individuale si obtinerea unui rezultattotal pentru circuit
[Z] [ABCD] [S] [Z]
![Page 45: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/45.jpg)
Z11 – impedanta de intrare cu iesirea in gol
2
1
2221
1211
2
1
I
I
ZZ
ZZ
V
V
2221212
2121111
IZIZV
IZIZV
011112
I
IZV
01
111
2
II
VZ
02
112
1
II
VZ
01
221
2
II
VZ
02
222
1
II
VZ
01
111
2
II
VZ
I1
V1 [Z]
I2
V2
![Page 46: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/46.jpg)
Y11 – admitanta de intrarecu iesirea in scurtcircuit
2
1
2221
1211
2
1
V
V
YY
YY
I
I
2221212
2121111
VYVYI
VYVYI
011112
V
VYI
01
111
2
VV
IY
02
112
1
VV
IY
01
221
2
VV
IY
02
222
1
VV
IY
01
111
2
VV
IY
I1
V1 [Y]
I2
V2
![Page 47: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/47.jpg)
h21E utilizat la TB, conexiune Emitor comun(β, h22 este foarte mare)
I1
V1 [H]
I2
V2
I1
V1 [G]
I2
V2
2
1
2221
1211
2
1
V
I
HH
HH
I
V
2
1
2221
1211
2
1
I
V
GG
GG
V
I
222 01
221
HsauVI
IH
![Page 48: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/48.jpg)
fiecare matrice este potrivita pentru un anumit mod de excitare a porturilor (V,I) matricea H in conexiune emitor comun pentru TB: IB, VCE
matricile ofera marimile asociate in functie de marimile de "atac"
traditional parametrii Z,Y,G,H sunt notati cu literamica (z,y,g,h)
In microunde se prefera notatia cu litera mare pentrua nu exista confuzie cu parametrii raportati la o valoare de referinta
0
1111
Z
Zz
0Z
Zz YZ
Z
Z
Z
Z
Y
Yy 0
0
00 1
1
110
0
1111 YZ
Y
Yy
![Page 49: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/49.jpg)
2
2
1
1
I
V
DC
BA
I
V
221
221
IDVCI
IBVAV
02
1
2
VI
VB
02
1
2
IV
IC
02
1
2
VI
ID
I1
V1
I2
V2
DC
BA
02
1
2
IV
VA
1
1
2
2 1
I
V
AC
BD
CBDAI
V
![Page 50: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/50.jpg)
introduce o legatura intre "intrare" si "iesire" permite inlatuirea usoara intre mai multe blocuri
I1
V1
I2
V2
11
11
DC
BA
I3
V3
22
22
DC
BA
3
3
22
22
11
11
2
2
11
11
1
1
I
V
DC
BA
DC
BA
I
V
DC
BA
I
V
![Page 51: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/51.jpg)
I1
V1
I2
V2
11
11
DC
BA
I3
V3
22
22
DC
BA
22
22
11
11
DC
BA
DC
BA
DC
BA
I1
V1
I3
V3
DC
BA
![Page 52: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/52.jpg)
potrivita numai pentru diporti (Z,Y pot fi usorextinse pentru multiporti/n-porturi)
permite cuplarea facila a mai multorelemente
permite calculul unor circuite complexe cu o intrare si o iesire prin spargerea in blocuriindividuale componente
se pot crea "biblioteci" de matrici pentrublocuri mai des utilizate
![Page 53: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/53.jpg)
Impedanta serie
1A ZB
0C 1D
1
02
1
2
IV
VA Z
ZV
V
I
VB
V
1
1
02
1
2
0
02
1
2
IV
IC 1
1
1
02
1
2
I
I
I
ID
V
![Page 54: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/54.jpg)
Admitanta paralel
1A 0B
YC 1D
Verificare - tema!
![Page 55: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/55.jpg)
Sectiune de linie de transmisie
lA cos
Verificare - tema!
lYjC sin0
lZjB sin0
lD cos
lZjZ
lZjZZZ
L
Lin
tan
tan
0
00
![Page 56: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/56.jpg)
Transformator
NA 0B
0CN
D1
Verificare - tema!
![Page 57: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/57.jpg)
diport π
3
21Y
YA
Verificare - tema!
3
1
YB
3
2121
Y
YYYYC
3
11Y
YD
![Page 58: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/58.jpg)
diport T
3
11Z
ZA
Verificare - tema!
3
1
ZC
3
2121
Z
ZZZZB
3
21Z
ZD
![Page 59: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/59.jpg)
Scattering parameters
2
1
2221
1211
2
1
V
V
SS
SS
V
V
01
111
2
VV
VS
[S]
01
221
2
VV
VS
V1+
V1-
V2+
V2-
are semnificatia: la portul 2 esteconectata impedanta care realizeazaconditia de adaptare (complex conjugat)
02 V
Γ2
00 22 V
![Page 60: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/60.jpg)
S11 este coeficientul de reflexie la portul 1 candportul 2 este terminat pe impedanta care realizeazaadaptarea
S21 este coeficientul de transmisie de la portul 1 la portul 2 cand portul 2 este terminat pe impedantacare realizeaza adaptarea
2
1
2221
1211
2
1
V
V
SS
SS
V
V
01
01
111
2
2
V
V
VS[S]
V1+
V1-
V2+
V2-
Γ2Γ1
021
01
221
2
2
TV
VS
V
![Page 61: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/61.jpg)
Matricea S poate fi extinsa (generalizata) pentru multiporti (n-porturi)
ikVi
iii
k
V
VS
,0jkVj
iij
k
V
VS
,0
Sii este coeficientul de reflexie la portul i candtoate celelalte porturi sunt conectate la impedanta care realizeaza adaptarea
Sij este coeficientul de transmisie de la portul j la portul i cand se depune semnal la portul j sitoate celelalte porturi sunt conectate la impedanta care realizeaza adaptarea
![Page 62: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/62.jpg)
Daca portul i este conectat la o linie cu impedanta caracteristica Zoi
Curs 3
Legatura cu matricea Z
zjzj eVeVzV 00 zjzj e
Z
Ve
Z
VzI
0
0
0
0
iii VVVi
i
i
ii
Z
V
Z
VI
00
VZZVZZIZ
1
0
1
0
VZZVZZ 00
100
ZZZZS
nZ
Z
Z
0
01
0
0
0
VIZ
VVVZZVZZ
1
0
1
0
VVV
VSV
![Page 63: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/63.jpg)
Circuite reciproce (fara circuite active, ferite)
Circuite fara pierderi
ijZZ jiij ,
ijYY jiij ,
ijSS jiij , tSS
jiZij ,,0Re
jiYij ,,0Re
jiSS ij
N
k
kjki ,,1
*
11
*
N
k
kiki SS
jiSSN
k
kjki
,01
*
]1[*
t
SS
![Page 64: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/64.jpg)
Amplitudinile totale ale tensiunii si curentului in functie de amplitudinile undelor incidenta sireflectate pentru o linie
Aflam amplitudinile undelor de tensiune
Puterea oferita sarcinii la iesirea din linie:
00 VVV 00
0
1VV
ZI
2
00
IZVV
2
00
IZVV
![Page 65: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/65.jpg)
Definim undele de putere
Tensiuni si curenti
R
R
R
IZVa
2
R
R
R
IZVb
2
*
RRR XjRZ O impedanta de referintaoarecare, complexa
R
RR
R
bZaZV
*
RR
baI
unda incidenta de putere
unda reflectata de putere
![Page 66: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/66.jpg)
Ei
Zi
ZLPa
PL
Pr
i
ia
R
EP
4
2
22
2
LiLi
iLL
XXRR
ERP
coeficient de reflexie in putere
2
22
222
4
a
LiLi
LiLi
i
ir P
XXRR
XXRR
R
EP
0
*0
ZZ
ZZ
L
LL
![Page 67: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/67.jpg)
V0
Zg
ZL
I
V
*Re2
1IVPL
**
Re2
1
RR
RRL
R
ba
R
bZaZP
2***2*Re2
1bZbaZbaZaZ
RP RRRR
R
L
22
2
1
2
1baPL
a
b
RL
RL
R
Rp
ZZ
ZZ
IZV
IZV
a
b
**
![Page 68: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/68.jpg)
Daca aleg
Lg ZZ
VI
0
Lg
L
ZZ
ZVV
0
2
20
2Lg
LL
ZZ
RVP
Lg
L
L
Lg
L
Lg
L
R
R
ZZ
RV
R
ZZ
Z
ZZ
Z
VR
IZVa
0
*
022
*LR ZZ
022
0
*
L
Lg
L
Lg
L
R
R
R
ZZ
Z
ZZ
Z
VR
IZVb
2
202
22
1
Lg
LL
ZZ
RVaP
![Page 69: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/69.jpg)
Daca in plus generatorul este adaptatconjugat cu sarcina
Reflexie in putere C2
Reflexie in putere C3
*Lg ZZ
L
LR
VaP
82
1 2
02
max
221 aaaraL PPPPPP
*iL ZZ aL PP max
2 ar PP
0
*0
ZZ
ZZ
*
iL ZZ
2
max2
1aPP aL
22
2
1
2
1baPL
RL
RL
R
Rp
ZZ
ZZ
IZV
IZV
a
b
**
222
2
1
2
1pL aaP 2
1 paL PP 22
2
1bPP par
![Page 70: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/70.jpg)
Definitii de unde pentru n-porti
IZVFa R
IZVFb R *
Rn
R
R
Z
Z
Z
0
01
Rn
R
R
R
F
210
021 1
VIZ
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legatura intre undele de putere incidenta sireflectata
tipic
aFZZZZFb RR 11*
11* FZZZZFS RRp
100
ZZZZS
iRZZ Rii ,00
500R SS p
aSb p
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S11 si S22 sunt coeficienti de reflexie la intraresi iesire cand celalalt port este adaptat
2
1
2221
1211
2
1
a
a
SS
SS
b
b
01
111
2
aa
bS
[S]
a1 a2
b1 b2
02
222
1
aa
bS
![Page 73: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/73.jpg)
S21 si S12 sunt amplificari de semnal candcelalalt port este adaptat
2
1
2221
1211
2
1
a
a
SS
SS
b
b
01
221
2
aa
bS
[S]
a1 a2
b1 b2
02
112
1
aa
bS
![Page 74: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/74.jpg)
a,b informatia despre putere SI faza
Sij influenta circuitului asupra puterii semnalului
incluzand informatiile relativ la faza
2
1
2221
1211
2
1
a
a
SS
SS
b
b
0
02
21ZsursaPutere
ZsarcinaPutereS
[S]
a1 a2
b1 b2
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Vector Network Analyzer
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21
2211
02
01
2
1
S
SSS
Z
ZA
21
22110201
2
1
S
SSSZZB
01020102
0102010211
DZZCZBAZ
DZZCZBAZS
21
2211
02012
11
S
SSS
ZZC
21122211 SSSSS
21
2211
01
02
2
1
S
SSS
Z
ZD
01020102
0201
12
)(2
DZZCZBAZ
ZZBCADS
01020102
0201
21
2
DZZCZBAZ
ZZS
01020102
0102010222
DZZCZBAZ
DZZCZBAZS
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Cuploare directionale
![Page 78: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/78.jpg)
Funcţionalitatea dorită:
divizarea
combinarea
puterii semnalului
![Page 79: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/79.jpg)
numite si joncţiune in T caracterizate de o matrice S 3x3
circuitul este reciproc dacă nu conţine: materiale anizotrope (de obicei ferite)
circuite active e de dorit să obţinem funcţionalitatea dorită de
divizare/combinare de putere fără pierderi interne e de dorit sa obţinem circuitul adaptat simultan la
toate porțile evitarea unor pierderi externe de putere
333231
232221
131211
SSS
SSS
SSS
S
![Page 80: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/80.jpg)
6 ecuaţii / 3 necunoscute nici o soluţie posibila
Un circuit cu 3 porţi NU poate fi simultan: reciproc
fara pierderi
adaptat simultan la toate cele 3 porţi Renunţarea la una din cele 3 condiţii conduce la
circuite realizabile – divizoare de putere
0
0
0
2313
2312
1312
SS
SS
SS
S
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caracterizate de o matrice S 4x4
circuitul este reciproc dacă nu conţine: materiale anizotrope (de obicei ferite)
circuite active e de dorit să obţinem funcţionalitatea dorită de
divizare/combinare de putere fără pierderi interne e de dorit sa obţinem circuitul adaptat simultan la
toate porțile evitarea unor pierderi externe de putere
44434241
34333231
24232221
14131211
SSSS
SSSS
SSSS
SSSS
S
![Page 82: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/82.jpg)
o solutie: cuplorul rezulta directional
*
2424
*
1423
*
13 /0 SSSSS
*
1323
*
2413
*
14 /0 SSSSS
02
24
2
13
*
14 SSS
1234
*
1423
*
12 /0 SSSSS
*
3423
*
3412
*
14 /0 SSSSS
02
34
2
1223 SSS
02314 SS
12
13
2
12 SS
12
24
2
12 SS
12
34
2
13 SS
12
34
2
24 SS
2413 SS
3412 SS
00
00
00
00
3424
3413
2412
1312
SS
SS
SS
SS
S
![Page 83: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/83.jpg)
[dB]log20log103
1 P
PC
[dB]log20log10144
3
SP
PD
[dB]log20log10 14
4
1 SP
PI
22
13 S
222
12 1 S
Cuplaj
Directivitate
Izolare
dBCDI ,
![Page 84: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/84.jpg)
2
1
2
2 1 yy
2
2
2 1
y
yC
![Page 85: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/85.jpg)
![Page 86: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/86.jpg)
.
)log(20[dB] 1yC
12
2
2
1 yy
![Page 87: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/87.jpg)
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coce
coce
ZZ
ZZC
2
0ZZZ coce
![Page 89: Curs 3 2016/2017rf-opto.etc.tuiasi.ro/docs/files/DCMR Curs 3_2016.pdf2C/1L, DCMR (CDM) Minim 7 prezente (curs+laborator) Curs - sl. Radu Damian Marti 18-20, P2 E –50% din nota probleme](https://reader036.vdocuments.co/reader036/viewer/2022081402/604a492f0f0c3347583ff895/html5/thumbnails/89.jpg)
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Laboratorul de microunde si optoelectronica http://rf-opto.etti.tuiasi.ro [email protected]