1 2 3 4
A
B
C
D
4321
D
C
B
A
T itle
Number RevisionSize
A4
Date: 9-Oct-1998 Sheet of
File: D:\RFT _MasterFiles\..\9118-VHFPA-block.schDrawnBy:
-
+
+
+8.0 V.REF.
POWER
ADJUST
OUT PUT
200MHz L PFDIRECT IONAL
COUPLER
FWD.PWR.
REV.PWR.
U2D
AL COUT
+13.8Vdc
U1
++
INPUT
+8.0 V.REF.
U2C
C39-C42
L12-L16
SPLIT TER COMBINER
D1,D3
75W AMPLIFIERS
SET
DET ECT
LEVEL
R.F.DET .
REF.
REG.
OVER TEMP. DET ECT OR
OVER TEMP.
AL CAMP.
FWD.& REV.
DET ECT OR AMPS.
C47-50,L19,
L20,R20
2-20W
C43-46,L17,
L18,R19
* 150W VERSIONS
* 50-75W VERSIONS USE SINGLE AMPLIFER ( Q4)
50-150W
T EMP.
R.F.DET .
t
RT 1
90DEG.C.
D2
U2B
U2A
RV1
RV2
Q2
Q1
Q5
Q4
R.F.T ECHNOLOGY PT Y. L TD.
10/8Leighton Place,HORNSBY , AUST RALIA
BLOCK SIGNAL FL OW DIAGRAM
05/9118R6
3 3
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