NX-800
25
COMPONENTS DESCRIPTION
Ref. No.
Part Name
Description
IC516
MOS-IC
LEVEL SHIFT (RXDO/CTSO)
IC517
MOS-IC
I/O EXPANDER
IC518
MOS-IC
RS-232C Driver
IC701
MOS-IC
LPF (RXAF)
IC702
MOS-IC
LPF (MOD)
IC703
MOS-IC
LPF (APC/DEO)
IC704
MOS-IC
Buffer AMP (2nd IF DET)
IC705
MOS-IC
BRF/Buffer AMP (SQ)
IC706
MOS-IC
LPF/SUM AMP
IC707
MOS-IC
RXAF/RXEI SW
IC708
MOS-IC
AF SW(TXO/TXI)
IC709
MOS-IC
SUM AMP
(AI/TONE/MI1 MI2) / (MOD/DI)
IC710
MOS-IC
AF SW (AI TONE OPT9/VREF)
IC711
MOS-IC
SUM AMP (AF) / VREF
IC712
MOS-IC
DAC
IC713
MOS-IC
AO SW
IC714
MOS-IC
AFO Buffer
IC715
ANALOGUE IC
AF Power AMP
Q1
TRANSISTOR
Ripple filter
Q3
TRANSISTOR
Buffer AMP (PLL Fin)
Q4
TRANSISTOR
Ripple filter
Q5,6
FET
VCO
Q7,8
FET
T/R SW (VCO)
Q9
TRANSISTOR
Buffer AMP (VCO)
Q10
TRANSISTOR
Buffer AMP (RF)
Q11
FET
Buffer AMP (19.2MHz)
Q101
TRANSISTOR
RF Pre-Drive AMP
Q102
TRANSISTOR
RF Drive AMP
Q105
TRANSISTOR
SW (RF Pwer H/L)
Q106
FET
SW (RF Pwer H/L)
Q201
TRANSISTOR
SW (W/N)
Q202
TRANSISTOR
SW (W/N)
Q203
TRANSISTOR
2nd Local buffer AMP (X3)
Q204
TRANSISTOR
1st IF AMP
Q205
TRANSISTOR
1st IF AMP
Q208
TRANSISTOR
Buffer AMP (Local)
Q210
TRANSISTOR
LNA
Q212
TRANSISTOR
SW (W/N)
Q401
TRANSISTOR
SW (OVER DC Supply protection)
Ref. No.
Part Name
Description
Q402
TRANSISTOR
DC SW (SB)
Q403
TRANSISTOR
DC SW (IGN)
Q404
FET
DC SW (SB)
Q405
TRANSISTOR
DC SW (SCTAM1)
Q406
FET
DC SW (33BU)
Q407
TRANSISTOR
DC SW (80T)
Q408
TRANSISTOR
DC SW (80R)
Q409
TRANSISTOR
DC SW (50R)
Q410
TRANSISTOR
DC SW (50MC)
Q411
TRANSISTOR
DC SW (33BU)
Q412
TRANSISTOR
DC SW (50MC)
Q413
TRANSISTOR
DC SW (80T)
Q414
TRANSISTOR
DC SW (80R)
Q415
TRANSISTOR
DC SW (50R)
Q416
FET
DC SW (33A-2)
Q417
FET
DC SW
Q501
FET
DC SW
Q701
FET
SW (W/N)
Q702
TRANSISTOR
Noise AMP
Q703
FET
TONE SW
Q704
TRANSISTOR
LIMIT
Q705
TRANSISTOR
LIMIT
Q706
FET
MUTE (MI1)
Q707
FET
MUTE (MI2)
Q708
TRANSISTOR
OPT10 SW
Q709
TRANSISTOR
DC SW
Q710
TRANSISTOR
AF MUTE
Q901,902
TRANSISTOR
DC SW (AUXO1, AUXO2)
D2
DIODE
Bypass diode
D3,4
VARIABLE
Frequency control
CAPACITANCE DIODE
D7~12
VARIABLE
Frequency control
CAPACITANCE DIODE
D14
VARIABLE
TX modulation
CAPACITANCE DIODE
D21
DIODE
2nd Local SW
D101
DIODE
T/R SW
D102
ZENER DIODE
PM DRAIN BAIAS protection
D103
DIODE
Antenna switch
D106
DIODE
Antenna switch