NX-720H(G)/720H
18
COMPONENTS DESCRIPTION
Ref. No
Part Name
Description
Q1
Transistor
DC Switch(Assist)
Q2
FET
DC Switch(Assist)
Q4
Transistor
Ripple Filter
Q5
Transistor
Buffer AMP(PLL Fin)
Q6
FET
RX VCO
Q7
FET
TX VCO
Q8,9
FET
T/R VCO Switch
Q10,11
Transistor
Buffer AMP
Q102
Transistor
TX Drive AMP
Q105
FET
DC Switch(H/L Power)
Q106
Transistor
DC Switch(50C)
Q201
FET
RX 1st Mixer
Q202
Transistor
LNA
Q303
Transistor
Tripler
Q305
Transistor
1st IF AMP
Q401
Transistor
DC Switch(Over DC Supply Pro-
tection)
Q402
Transistor
DC Switch(80ANT)
Q403
FET
DC Switch(SB)
Q404
Transistor
DC Switch(80T))
Q405
Transistor
DC Switch(80ANT)
Q407
Transistor
DC Switch(50MC)
Q408
Transistor
DC Switch(50CS)
Q409
FET
DC Switch(33A_2)
Q410
Transistor
DC Switch(50MC)
Q411
Transistor
DC Switch(80T)
Q412
Transistor
DC Switch(80ANT)
Q414
Transistor
DC Switch(150C)
Q415,416
Transistor
DC/DC Converter
Q417
Transistor
DC Switch(50R)
Q418
FET
DC Switch(SB)
Q501
FET
DC Switch(System)
Q502
Transistor
DC Switch(Horn Alert)
Q503
FET
DC Switch(Horn Alert)
Q504
Transistor
DC Switch(IGN)
Q701
FET
SQL Noise BW Switch
Q702
Transistor
Noise AMP
Q703,704
Transistor
MIC AGC
Q705
FET
Mute(MI1)
Q706
FET
Mute(MI2)
Q708
Transistor
Pop Noise prevention switch
Q709
FET
AF Mute Switch
Ref. No.
Part Name
Description
D2
Zener Diode
Over Voltage Protection
D4
Variable Capaci-
tance Diode
RX VCO Frequency Control
D5
Variable Capaci-
tance Diode
TX VCO Frequency Control
D6
Variable Capaci-
tance Diode
PLL f-in BPF Tune
D7
Variable Capaci-
tance Diode
RX VCO Assist Tune
D8
Variable Capaci-
tance Diode
TX VCO Assist Tune
D9,10
Variable Capaci-
tance Diode
RX VCO Assist Tune
D11
Variable Capaci-
tance Diode
TX VCO Assist Tune
D13
Variable Capaci-
tance Diode
PLL f-in BPF Tune
D14
Diode
Speed up
D15
Variable Capaci-
tance Diode
FM Modulation
D16,17
Diode
T/R Switch
D101
Zener Diode
Over Voltage Protection
D102
Diode
Transient Voltage Limiter
D103
Diode
Reverse Current Prevention
D104,105
Diode
TX Power Detection
D106
Diode
Voltage Limiter
D107
Diode
Antenna Switch
D108,109
Diode
Over DC Supply Protection
D110,110
Diode
Antenna Switch
D112-114
Diode
Over DC Supply Protection
D202-207
Variable Capaci-
tance Diode
RX BPF Tune
D401
Zener Diode
Over DC Supply Protection
D403,404
Diode
Reverse Current Prevention
D405
Diode
Discharge
D406
Diode
DC/DC Converter
D407
Diode
DC/DC Converter(50M)
D408,409
Diode
DC/DC Converter
D410
Surge Absorption Surge Protection
D411
Diode
Reverse Current Prevention
D502
Diode
Reverse Current Prevention
D504
Diode
Reverse Current Prevention
D505-510
Diode
Line Protection
D511-513
Diode
Reverse Current Prevention
D601
Diode
Line Protection
D701
Diode
Reverse Current Prevention
D702
Diode
Noise Detector
D703,704
Diode
AF Detector
D705,706
Diode
Line Protection
D801,801
Diode
Over DC Supply Protection
Summary of Contents for Nexedge NX-720H
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