CS1
CS2
CS3
EN
COMMAND
CLR
Vdd
RESET
IC4, IC5, IC6
IC1
IC13
IC20
IC19
Q1
Q3, Q4
IC7, Q2
IC10, IC11, IC12
L1, D1-D4, IC14
R6 - R14
IC15, IC17, IC 18, Q11, Q12
D8 - D11, Q9, Q11, IC15
BUFFER
LATCHES
RELAY DRIVERS
PWR
PWR
|z|
PHASE
SWR1
SWR2
SWR3
CP11
BUFFER
CONTROL
CPU
VOLTAGE
REGULATORS
+ 8 V
+ 13.8 V
KEY
START
RL2
RF IN
TUNE
DETECTOR
SWR
ATTENUATOR
PHASE
IMPEDANCE
FWD POWER
BUFFER
DETECTOR
DETECTOR
CP12
CP13
CP14
CP15
CP17
J6
J5
Q7
Q6
Q5
DATA
ANTENNA
L6, D12, D13, , IC 16, IC17
IC8
AH-3 BLOCK DIAGRAM
NORMAL
+ 5 V
RL1
TUNE
GATE
CPU
C NETWORK
L NETWORK