Crown Low Power Transmitters - Crown Broadcast
Crown Low Power Transmitters - Crown Broadcast
Crown Low Power Transmitters - Crown Broadcast
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(455MHz)<br />
(195MHz) (176MHz) (252MHz)<br />
RF IN<br />
C1202<br />
1.35PF<br />
C1204<br />
7.1PF<br />
C1206<br />
9.3PF<br />
C1208<br />
5.13PF<br />
R1202<br />
* 75<br />
C1211<br />
47PF NP0<br />
R1203<br />
10<br />
RF OUT<br />
L1201<br />
250NH<br />
C1201<br />
15.4PF<br />
L1202<br />
90.5NH<br />
C1203<br />
40.9PF<br />
L1203<br />
94.1NH<br />
C1205<br />
38.9PF<br />
L1204<br />
87.5NH<br />
C1207<br />
37.7PF<br />
L1205<br />
77.9NH<br />
C1209<br />
14.1PF<br />
C1209A<br />
2PF<br />
C1219<br />
47PF SM<br />
R1204<br />
10<br />
R1205<br />
* 75<br />
C1201A<br />
10PF<br />
C1218<br />
47PF SM<br />
INDUCTORS<br />
C1217<br />
3.5PF<br />
R1201<br />
100<br />
I.D.<br />
HD1201<br />
1<br />
2<br />
3<br />
RF MONITOR<br />
TURNS<br />
Approx. 7V RMS<br />
with 200W RF in.<br />
LENGTH<br />
GUAGE<br />
R1210<br />
10K<br />
D1201<br />
1N6263<br />
C1213<br />
.001<br />
R1206<br />
1K<br />
C1212<br />
47PF NP0<br />
R1207<br />
100K<br />
RFV<br />
C1214<br />
.01<br />
R<br />
E<br />
F<br />
L<br />
F<br />
W<br />
D<br />
C1215<br />
.01<br />
R1208<br />
20K<br />
R1209<br />
1K<br />
D1202<br />
1N6263<br />
C1216<br />
.001<br />
L1201<br />
L1202<br />
L1203<br />
L1204<br />
0.25"<br />
0.5"<br />
0.5"<br />
0.5"<br />
14<br />
3<br />
3<br />
3<br />
0.7"<br />
0.6"<br />
0.5"<br />
0.7"<br />
#17<br />
#12<br />
#12<br />
#12<br />
D1203<br />
1N6263<br />
R1211<br />
100K<br />
C1220<br />
.01<br />
1 2 3 4 5<br />
L1205<br />
*<br />
0.4375"<br />
EXACT COIL LENGTHS ARE FACTORY-SET.<br />
IF NECESSARY, SELECT R1202 FOR<br />
SWR READING OF 1.1 OR BETTER WITH<br />
50-OHM LOAD. R1205 = R1202<br />
R1202,R1203,C1211,D1202,C1216<br />
ON UNDERSIDE OF CIRCUIT BOARD.<br />
3<br />
0.6"<br />
#12<br />
NOTES :<br />
_______<br />
_______<br />
1. ALL RESISTORS ARE IN OHMS,<br />
1/4W, 5% UNLESS OTHERWISE<br />
SPECIFIED.<br />
2. ALL CAPACITORS ARE IN<br />
MICROFARADS UNLESS<br />
OTHERWISE SPECIFIED.<br />
3. C1201-1209A,1217 are circuit board pads.<br />
HD1202<br />
HEADER 5<br />
RF Output & Reflectometer<br />
103209<br />
RF Output Filter and Reflectometer<br />
6 - 24
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