RLRL ~ e(t) + v R (t) - Diode Rectifier + v d - vdvd.
6
-6.00 -5.00 -4.00 -3.00 -2.00 -1.00 0.00 1.00 2.00 3.00 4.00 5.00 6.00 e(t) R L ~ e(t) + v R (t) - Diode Rectifier + v d - v d
-
Upload
harvey-walker -
Category
Documents
-
view
215 -
download
0
Transcript of RLRL ~ e(t) + v R (t) - Diode Rectifier + v d - vdvd.
-6.00
-5.00
-4.00
-3.00
-2.00
-1.00
0.00
1.00
2.00
3.00
4.00
5.00
6.00 e(t)
RL~e(t)
+vR(t)-
Diode Rectifier+ vd -
vd
Add a Capacitor
-6.00
-5.00
-4.00
-3.00
-2.00
-1.00
0.00
1.00
2.00
3.00
4.00
5.00
6.00 e(t)
RL~e(t) C
+vR(t)-
Diagonal Clipping
RC Time Constant chosen properly.
“Diagonal Clipping”RC Time Constant chosen improperly.
21 1
maxm
mRC
Minimum Signal Level
(1 )v c a dv E m v vd
Carrier Voltage at Input to Detector
(1 )d
ca
vE
m
2 2 2 2 2
2
1 21 1
2 2 2 4 1a c a d a
DET cDET DET a
m E m v mP P
R R m
Power Required into (matched) detector for undistorted output:
Function of maximum modulation
index
Constant determined by detector characteristics
Superheterodyne Receiver
RF Front End(Amps, Filters)
Local Oscillator
Mixer
IF Strip(Amps, Filters)
Channel SelectivityService Band
Detector(Demodulation)
Recovered Information
PDET
PIN
Pulse Modulation
fc
TPRF =1/fPRpw
fc
PRFf f
1
pw
2
pw
BW
![EFFICIENT-REC-C - Sécheron · EFFICIENT-REC-C / CoNTRollEd RECTIFIERs 3 CONTROLLED RECTIFIER RANGE Standard controlled rectifier range Rated dC voltage [V] 750 1500 3000 Rated current](https://static.fdocuments.in/doc/165x107/60008ea66503ba52224a1241/efficient-rec-c-scheron-efficient-rec-c-controlled-rectifiers-3-controlled.jpg)
