• PLL UNIT
LO AMP AND FILTER CIRCUITS
VCO-B
SUB LOOP VCO
(Q451)
DDS CIRCUIT (FOR VCO-B)
(IC403)
EXPANDER
(IC3)
(FOR 2ND RX LO, 3RD TX LO)
PLL CIRCUIT (IC681) AND
(FOR VCO-B)
DDS CIRCUIT
(IC701)
LO AMP AND FILTER CIRCUITS
(FOR VCO-A)
LEVEL CONVERTER
(IC2)
2 - 4
VCO-A
PLL CIRCUIT (FOR VCO-A)
(IC381)
DDS CIRCUIT (FOR VCO-A)
(IC101)
LEVEL CONVERTER
(IC102)
EXPANDER
(IC4)
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