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
