Icom IC-7851 - Page 10

2-5
1st IF FILTERS
Band-pass filters
• RF-A/-B UNIT
2nd MIXER
(IC3402)
DRIVER
(IC3351)
SERIAL-TO-PARALLEL
CONVERTER
(IC1902)
SERIAL-TO-PARALLEL
CONVERTER
(IC1905)
1st MIXER
(IC2102)
1st LO AMP
(Q2203)
ROOFING FILTER
2nd LO AMP
(IC3802)
+5 V REGULATOR
(IC3851)
2nd MIXER
(IC3401)
SERIAL-TO-PARALLEL
CONVERTER
(IC1901)
1st LO AMP
(Q2204)
TRI-STATE LOGIC GATE
(IC1904)