PAMS
System Module DB6
NHB–3
Technical Documentation
Original 26/97
Page 4–46
Block Diagram of Receiver Section
step AGC
UHF
VCO
PLL
VHF
VCO
VCTCXO/
VCXO
clipped sinewave
sinewave
f
f/2
f
f/2
CRFRT
f
f/2
to ASIC
BIAS
–4 V
+6 V
TXC
+6 V
CRFCONT
+4.5V
TXP
Batt.volt.
TXC
TXP
TXIP
TXIN
TXQP
TXQN
TX power control
90 deg
AFC
TXL
