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