Yaesu FT-757GX II, Техническое дополнение

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COMPO N E N T A P P L I CAT I O N S
MA I N CHASSIS
Q 1 046 AN6 5 5 2
Dual
Op
amp TX
ALC Diff Amps
Q104 7 2SC3 80TMY
NPN Si TR
TX ALC Buffer
LOCA- NO MEN-
Q1048 3 SK73GR MOSFET TX 2nd IF Amp
TION
CLATURE
TYPE
APPLICATION
Q1049 2SK125 JFET TX RF Post-Amp
µPC7808H Regulator IC 8V Reg for Local Unit
Q1050 2N442 7 NPN S i TR
TX
RF Preamp
Ql
Q105 1 AN6 5 5 2
Dual O p amp
PO Meter Amps
Q105 2 2SA733AQ PNP Si TR RX/TX S/ ALC Meter
Amp
R F U N IT
Q 105 3 2SK107-3 JFET
Q1054 MC14066 B Quad Analog Meter Function
LOCA-
NO MEN-
SW
IC Selector
TION CLATURE
TYPE APPLICATION Q1055
2SC380TMY
NPN Si TR
Inverter for TX8V Sw
Q1056
Q1001 2SC3 80TMY NPN Si TR
Marker Buffer Amp
Q1056 2SA1 1 9 3 K PNP S i TR T/R Sw for TX8V on
Q1002 MC145 1 8 BCP
Dual BCD
1/30 Divider (Marker)
RF Unit
Counter
Q105 7 T/R Sw for RX8V on
Q1003 2SK1 25
JFET RX RF Amplifier
RF Unit
Q1004 Ql05 8 µPC7808H Regulator IC 8V Reg for RF Unit
Ql 005
2SA7 3 3 AQ PNP Si TR Relay Driver
Q1059 2SA733AQ PNP Si TR
PTT Switch Buffer
Q1006
2SK 1 25 JFET RX 1 st Mixer
Q1060 MC140 1 1 BCP Quad NAND T/R Switching Sync
Q1007 Q106 1 2SC380TMY NPN Si TR
TX Sidetone Switch
Q1 008
RX 1 st IF Post-Amp
(w/Ql064)
Q 1009
2SA7 3 3 AQ PNP Si TR RX Front End Mu te
Q106 2 TX CW Key Enable Sw
(on TX )
Ql063 2SA733AQ PNP Si TR TX IF T/R Sw
Q 1 0 1 0
2SK107-3 JFET RX 2nd Mixer
Q1064 2SC380TMY NPN Si TR TX Sidetone Osc Sw
QlO l l Q 1065 2SA733AQ PNP Si TR
-8V Delay Switch
Ql0 1 2
3SK73GR MOSFET RX Noise Amp
Q10 1 3 Dl00 1 MA190 Si Diode Marker Ou tput Sw
Q1014 2SC3 80 TMY
NPN Si TR RX NB AGC Amp
D l002 Marker Divider Preset
Q10 1 5
R X NB Gate S w
Switch
Q 1 0 1 6 3 SK73GR
MOSFET RX 3rd Mixer
D 1 003
Q10 1 7
RX 3rd I F Amp
D 1 004 BPF to TX RF Preamp
Q 1 0 1 8 Switch (TX 8V)
Q1 0 1 9 2SC3 80TMY NPN Si TR
RX AGC Amp
D1005
Ql020
RX AGC Buffer
Dl006 TX Switch
Q l 0 2 1 2SK24 1 GR JFET
RX 2nd IF Buffer
Dl007
1 SS97
Schottky BPF Switch
Q 1 0 2 2 MC3 3 5 9 P FM R X IC
FM RX 3 rd Mixer,
Barrier Diode (0 .5 - 2 .S MHz )
Lim Amp ,
D1008 " ( )
Discriminator, Noise
D l 009 " (2 .5 -4 .0MHz)
Amp, Squelch Sw
D l 0 1 0 " (
)
Q1023
2SC3 80TMY NPN Si TR RX Squelch Sw
D l 0 1 1 " (4 .0- 7 .S MHz )
Q1024 RX IF Width LO
D10 1 2 "
( )
Q l 0 25 RX Width Local Amp
D l 0 1 3 " (7.5 - 14.5 MHz)
Q 1 0 26
RX Local Buffer Amp
D 1 0 1 4 " ( )
Q1027 3 SK73GR
MOSFET
RX Carrier Mixer
D l 0 1 5 " (14 .5 - 2 1 .S MHz )
Ql028
2SC380TMY NPN Si TR
RX Carrier Bu ffer
D l 0 1 6 " ( )
Q1029
AN6 5 5 2 Dual Op amp RX RF AGC Amp
D 1 0 1 7 "
(2 1 .5 -30MHz)
Au to Scan Diff Amp
D 10 1 8 " ( )
Ql030 MC14066 B Quad Analog RX Detector Selector
D l 0 1 9
S W
IC Switch
Dl020
Q 1 0 3 1 2SC3 80TMY NPN Si TR
RX Detector Squelch
D 1 0 2 1 MA190 Si Diode BC BPF Enable Switch
Switch
Dl022
1 .9MHz BPF Enable
Q 1 0 3 2
R X A M , S S B Active
Switch
LPF
D 1023
BC RF Amp Relay Sw
Q 1 0 3 3
R X FM AF Buffer
D 10 24 Not Used
Q l 0 34
RX CW Active LPF
D l 0 25
Q l 0 3 5
R X A F Preamp
D1026
Q 1 0 36
TX Sidetone Osc
D 1 0 2 7 MA190 Si Diode 24 .5 /28MHz BPF/LPF
Q 1 0 3 7 M B3 7 1 3 A F amp IC
RX AF Power Amp
Diode OR (28MHz)
Q l 0 3 8 2SC3 80TMY
NPN Si TR
TX SSB Drive Sw D 1028 (24 .5 MHz)
Q l 0 3 9 2SA7 3 3 AQ
PNP Si TR
TX Drive Enable Sw D 1029
18/21 MHz BPF/LPF
(T/R) Diode OR (2 1 MHz )
Q 1 040 2SK1 25 JFET TX 1 st IF Buffer D 1030
(1 8MHz )
Q l 04 1 2SC 1 9 2 3 0 NPN S i TR 2nd LO Buffer Dl03 1 10/14MHz BPF/LPF
(RX and TX ) Diode OR (14MHz )
Q1042 2SK10 7-3 JFET TX 2nd Mixer D 1 0 3 2 (lOMHz )
Q l 043 D 1033
Back Pulse Canceller
Ql 044 2SC3 80TMY NPN Si TR TX lOm PO Reduction
Sw (for JAs)
Q1045 2SA7 3 3 AQ PNP Si TR
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