Operating instructions

1 2 3 4 56
A B C D
6
54321
D
C B A
Title
Number RevisionSize
Orcad B
Date: 17-Mar-1998 Sheet of File: D:\JBS\..\BLOCK.SCH Drawn By:
OUTPUT
DIRECTIONAL COUPLER
FWD.PWR.
REV.PWR.
+13.8 Vdc
U5
INPUT
+8.0 V.REF.
D1-D3
SET
R.F.DET. REF. REG.
OVER TEMP. DETECTOR
OVER TEMP.
FWD. & REV. DETECTOR AMPS.
5-15W
50-125W
600 MHz LPF
L1-L4
DRIVER
OUTPUT
+8.0 V.REF.
SET
+8.0 V.REF.
POWER REVERSE
FORWARD POWER
+8.0 V.REF.
SET MAX
RFO THRESHOLD
ALC OUT
FAN
AMPLIFIER
AMPLIFIER
RF OUTPUT INDICATOR
FAN CONTROL
ALC AMP FWD.& REV.
POWER CONTROL
OVER TEMP. POWER CONTROL
J1J2
BNC
t
RT1
90 DEG.C.
Q2
Q1
Q3
U2C
U2B
RV2
RV1
U3D,Q5
Q9
U3C,Q6,Q8
Q7
U3B
U2A
U3A
U2D
Q4
R.F.TECHNOLOGY PTY. LTD.
17 / 8 Leighton Place, Hornsby, SYDNEY
PA501 Block Schematic 05/9137 R6
22
JBS after RGM