User Guide

PAMS
Technical Documentation
RAE-3
3. RF+System Module BL8
Page 3 – 47
issue 1 06/01
SHF VCO
PLL
VCXO
26 MHz to ASIC
Figure 13. RAE–3 RF block diagram
TXP
RXI
RXQ
TXIP TXIN TXQP TXQN
AFC
RXREF 1.2 V
f
f/2
HAGAR
f
f/2
f
f/2
f
f/2
TXC
SERIAL CTRL BUS
VREF_2 1.5 V
Dual PA
EGSM SAW
BIAS
ANT SW
Diplexer
EGSM
PCN
EGSM
PCN
PCN
EGSM
External
antenna
(car kit)
Internal
antenna
Mechanical switch
Buffer
f
f/2
13 MHz
to ASIC