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NX-900
24
Ref. No.
Part Name
Description
IC707
IC
RXAF/RXEI switch
IC708
IC
AF switch (TXO/TXI)
IC709
IC
SUM AMP
(AI/TONE/MI1 MI2)/(MOD/DI)
IC710
IC
AF switch (AI TONE OPT9/VREF)
IC711
IC
SUM AMP (AF)/VREF
IC713
IC
AO switch
IC714
IC
Level shift
IC715
IC
AF power AMP
IC716
IC
1st mixer
IC717
IC
DSP
IC718
IC
AND (CLKX0/SCK1)
IC719
IC
D/A converter
IC720
IC
DI SMF
Q1
Transistor
Ripple fi lter
Q2
FET
LNA
Q4
Transistor
Ripple fi lter
Q5,6
FET
VCO
Q7,8
FET
T/R switch (VCO)
Q9
Transistor
Buffer AMP (VCO)
Q10
Transistor
Buffer AMP (RF)
Q11
FET
Buffer AMP (19.2MHz)
Q150
FET
TX pre-drive AMP
Q151
FET
TX drive AMP
Q201,202
Transistor
Switch (W/N)
Q203
Transistor
2nd Local buffer AMP (x3)
Q204,205
Transistor
1st IF AMP
Q208
Transistor
Buffer AMP (Local)
Q212
Transistor
Wide/Narrow switch
Q401
Transistor
Switch
(Over DC supply protection)
Q402
Transistor
DC switch (SB)
Q403
Transistor
DC switch (IGN)
Q404
FET
DC switch (SB)
Q405
Transistor
DC switch (SCTAM1)
Q406
FET
DC switch (33BU)
Q407
Transistor
DC switch (80T)
Q408
Transistor
DC switch (80R)
Q409
Transistor
DC switch (50R)
Q410
FET
DC switch (50MC)
Q411
Transistor
DC switch (33BU)
Q412
Transistor
DC switch (50MC)
Ref. No.
Part Name
Description
Q413
Transistor
DC switch (80T)
Q414
Transistor
DC switch (80R)
Q415
Transistor
DC switch (50R)
Q416
FET
DC switch (50IF)
Q420
Transistor
RF buffer AMP
Q501
FET
DC switch
Q701
FET
SQL switch (W/N)
Q702
Transistor
Noise AMP
Q703
FET
Tone switch
Q704,705
Transistor
Limit
Q706
FET
Mute (MI1)
Q707
FET
Mute (MI2)
Q708
Transistor
OPT10 switch
Q709
Transistor
AF mute
Q710
Transistor
Audio mute switch
Q901,902
Transistor
DC switch (AUXO1)
Q903
FET
Switch
D1
Surge absorber
Surge absorption
D2
Diode
Bypass diode
D3,4
Variable
capacitance
diode
Frequency control
D7,8
Variable
capacitance
diode
Frequency control
D10~12
Variable
capacitance
diode
Frequency control
D14
Variable
capacitance
diode
TX modulation
D21
Diode
2nd Local switch
D101
Diode
T/R switch
D103
Diode
Antenna switch
D108,109
Diode
TX power detect
D201,202
Diode
CF switch (W/N)
D205
Diode
T/R switch
D401
Zener diode
Over DC supply protection
D403
Diode
Reverse current prevention
D404
Surge absorber
Surge absorption
D405
Diode
Reverse protection
D406
Diode
Reverse current prevention (BLVL)
D407
Diode
DC/DC converter (50M)
D408
Diode
Reverse current prevention
(OR 33M/SBC_2)
COMPONENTS DESCRIPTION
Summary of Contents for NEXEDGE NX-900
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