2 ux-910 (optional unit), Top view • bottom view – Icom IC-910H User Manual
Page 8
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2 - 3
2-2 UX-910 (OPTIONAL UNIT)
• TOP VIEW
• BOTTOM VIEW
Power module IC
(IC21: M57762-02)
1st LO VCO circuit
PLL IC
(IC501: TB31242)
DDS IC
(IC661: SC-1246A)
RF pre-amplifier
(Q281: NE34018)
Power supply circuit
for AG-1200
Q72: DTC144EU
Q73, Q74: 2SC2712
RF amplifier
(Q271: 2SC5454)
YGR amplifier
(IC141:
µ
PC1878G)
TX 1st mixer
(IC131:
µ
PC8163TB)
RX 1st mixer
(IC241:
µ
PC2721)
TX 1st IF amplifier
(IC111:
µ
PC2709)
RX 2nd mixer
(Q221: 3SK166)
TX 2nd mixer
(D82: HSB88WS)
2nd LO VCO circuit
Power supply circuit for AG-1200
(Q71: 2SD1801)
Pre-drive amplifier
(Q36: 2SK2354)
2nd IF amplifier
(Q81: 2SC2712)
Divider
(IC610: TC7W74FU)
Reference amplifier
(IC601: TC7SU04F)
Drive amplifier
(Q38: 2SK2855)
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