Pa unit – Icom IC-910H User Manual
Page 7

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• PA UNIT
TX balanced mix
er
Q501, Q502:
2SK302
D502:
1SV286
RX balanced mix
er
(Q511, Q512:
2SK1740)
Pre-amplifier
(Q507:
3SK177)
145 MHz po
w
er amplifier
(Q651, Q652:
2SC5152)
TX/RX s
witching rela
y
(RL700:
AE5349)
V
a
ristor-A board
V
a
ristor-C board
440 MHz po
w
er amplifier
(Q151, Q152:
2SC3102)
TX balanced mix
er*
(Q1, Q2:
2SK302)
Pre-amplifier
(Q260:
3SK177)
RX balanced mix
er
(Q220, Q221:
2SC3356)
DR
V board
Dr
iv
e amplifier
(Q131:
SRFJ7044)
* Located under side of the point
V
a
ristor-B board
TX doub
le balanced mix
er
D190:
HSB88WS
L190, L191:
617DB-1010