DRAKE TR-4C - Page 32

Table 5-3. (Con tinued)
REF Component
FUNCTION
DES
Type
Transmitter
Receiver
V8, V9, Vl0 (3) 6JB6 Matched
Power Amps.
V11
6BZ6
IF Amplifier
v12
12BA6
IF Amplifier
v13
12AX7
AGC
AGC
v14
13DE7
AM Screen Modulator
v15 12BA6
IF Amplifier
V16
6GX6
9 MHz Xtal Oscillator BFO/Product Detector
v17
6AQ5A
Anti V
OX Audio Output
V18
12AX7
Mike Amplifier
v19
6EV7
VoxAmp/Relay
v20 OA2
Voltage Regulator Voltage Regulator
Ql
2N5950
VFO
VFO
Q2
2N3563
VFO Buffer VFO Buffer
Q3
AT5059
Neon Driver Neon Driver
Q4
2N3394
VFO Shut
tiff VFO Shut Off
Q5
2N3877
Audio Pre-Amp
I
Dl
IN541
Balanced Modulator
D2 IN541
Balanced Modulator
D3 lN541 Balanced Modulator
D4
IN541
Balanced Modulator
D5
lN4148
VOX Detector
D6
lN4148
Anti V
OX Detector
D7
lN4148
VOX Relay Speed Up
D8 lN714
Voltage Regulator Voltage Regulator
D9 lN4148 Output Power Detector
Dl0 lN4148
Anti V
OX Detector
Dll
lN4148
Output Power Detector
D12 lN4148
Meter Control
D13
lN4148
Transient Suppressor
Transient Suppressor
D14
lN4148
AGC Isolation
5-7