background image

1

JP1B

NC

1

JP2B

NC

1

JP3B

NC

X108G

BASE-Board-V1.43.5b

1

JP4B

NC

1

JP5B

NC

1

JP6B

NC

1

JP7B

NC

R47B

1k

R51B

1k

+9R

+9T

+9

MIC_EN

MSVSW

PTT1

MDATA

R48B

100R

R49B

10k

R45B

100k

R50B

30k

C109B

100nF

+9

R43B

15k

R44B

100R

R46B

100R

+9

+9T

+9R

MIC_SIG

PWR_SW1

+5

VIN_SMP

PO_FWD

PO_REV

PO_SET

MODE_AM

BAND1

BAND2

BAND3

PTT

TRX

MDATA

i

Parameter Set

i

Parameter Set

i

Parameter Set

i

Parameter Set

MDATA

MIC_SIG

PTT1

PO_SET

MODE_AM

BAND1

BAND2

BAND3

PWR_SW

TRX

PO_REV

PO_FWD

R13B

3.3k/1%

R53B

NC

C105B

100nF

+13.8

VIN_SMP

N=8:1

R52B

470R/1%

R58B

175k

R54B

3.3k

C121B

470nF

C115B

100nF

C116B

470nF

MIC_EN

PTT_SRV

MIC_SIG

MSVSW

MIC_EN

R56B

35k

R59B

75k

R55B

51R

C114B

100nF

C111B

100nF

C112B

100pF

BS_EX_EN

BS_EX_EN

+8

+5

+8

GND

1

VCAI

2

SDN

3

BO

4

IN

5

AVGC

6

GTHR

7

CMPR

8

OUT

9

VDD

10

U17B

SSM2167-1RM

IO4

1

IO6

2

MUX

3

IO7

4

IO5

5

INH

6

VEE

7

VSS

8

C

9

B

10

A

11

IO3

12

IO0

13

IO1

14

IO2

15

VDD

16

U15B

CD4051BPWR

R41B

5.1k

C130B

100nF

R42B

100k

+5

COMP_A0

COMP_A1

COMP_A2

COMP_A0

COMP_A1

COMP_A2

1

2

3

4

5

6

7

8

RP2B

100k

R21B

5.1k

C93B

470nF

C129B

10nF

fc=1/(2*PI*RC)=3kHz

C92B

1nF

1

2

J1B

NC

+13.8

PWR_SW

I

1

O

3

G

2

U1B

LM2940T-9.0

C3B

100nF

C4B

100nF

+13.8

C5B

100nF

C6B

100nF

+5

+9

VCC

I

1

O

3

G

2

U2B

L7805CV

R29B

100k

R30B

1k

C98B

100nF

BAND1

BAND2

BAND3

+5

+5

BAND

BPF

LPF

3.5~4.0M

B6

B1

B2

B3

B4

B5

L1

L2

L3

L4

L5

BAND SELECTION TABLE

BS1

BS2

BS3

BS4

BS5

C56B

100nF

+5

BS6

C43B

47nF

C44B

47nF

L6

1.8~2.0M

C34B

100nF

R1B

51R

R2B

51R

POF

POR

TRX

+9R

B7

B8

B9

B10

CODE

0000B

0001B

0010B

0011B

0100B

0101B

0110B

0111B

1000B

1001B

10~10.2M

14~14.5M

18~18.2M

21~21.6M

24.8~25M

28~28.8M

5~5.5M

Non-HAM-BAND

7~7.3M

B11

1010B

BS_EX_EN

DEC_Y0

DEC_Y1

DEC_Y2

DEC_Y3

DEC_Y4

DEC_Y5

DEC_Y6

DEC_Y7

DEC_Y8

DEC_Y0

DEC_Y1

D7B

1N4148

D8B

1N4148

DEC_Y2

DEC_Y3

D9B

1N4148

D10B

1N4148

D11B

1N4148

D12B

1N4148

DEC_Y4

DEC_Y5

DEC_Y6

DEC_Y7

DEC_Y8

A0

A1

A2

A0

A1

A2

DEC_Y9

DEC_YA

D13B

1N4148

D14B

1N4148

D15B

1N4148

DEC_Y9

DEC_YA

1

2

3

4

5

6

7

8

RP1B

100k

A0

A1

A2

A3

A3

R20B

10k

R35B

10k

R23B

10k

R36B

10k

1

2

3

D1B

1SS372

1

2

3

D2B

1SS372

1

TP6B

NC

1

TP7B

NC

1

TP8B

NC

+9

+9R

+9T

1

TP9B

NC

+5

1

TP10B

NC

1=TX;0=RX

R31B

100k

R32B

10k

Q26

DTC114EKA

TRX

TRX

+9

+9T

+9

R33B

10k

D17B

1N4148

+9T

1

J2B

NC

TX_PWR_SIG

L3B

T37-2-32T

L4B

T37-2-32T

C19B

1nF

C18B

100pF

C21B

100pF

3

4

5

6

1

2

K5B

HRB1-S-DC5V

3

4

5

6

1

2

K4B

HRB1-S-DC5V

+5

3

4

5

6

1

2

K8B

HRB1-S-DC5V

+5

C16B

470pF

C17B

470pF

C22B

1.2nF

C20B

1.5nF

C23B

1.2nF

Fo=2MHz

L5B

T37-2-17T

L6B

T37-2-17T

C26B

75pF

3

4

5

6

1

2

K7B

HRB1-S-DC5V

3

4

5

6

1

2

K6B

HRB1-S-DC5V

+5

+5

C24B

100pF

C25B

47pF

C28B

330pF

C27B

680pF

C31B

330pF

Fo=7.3MHz

L7B

T37-2-12T

L8B

T37-2-12T

C36B

330pF

C39B

220pF

3

4

5

6

1

2

K10B

HRB1-S-DC5V

3

4

5

6

1

2

K9B

HRB1-S-DC5V

+5

+5

C32B

47pF

C33B

27pF

C38B

120pF

Fo=14.5MHz

L9B

T37-2-11T

L10B

T37-2-11T

C48B

220pF

C49B

100pF

3

4

5

6

1

2

K12B

HRB1-S-DC5V

3

4

5

6

1

2

K11B

HRB1-S-DC5V

+5

+5

C41B

12pF

C42B

12pF

C47B

100pF

Fo=21.5MHz

L13B

T37-2-8T

L14B

T37-2-9T

C54B

68pF

C55B

100pF

3

4

5

6

1

2

K15B

HRB1-S-DC5V

3

4

5

6

1

2

K14B

HRB1-S-DC5V

+5

+5

C50B

27pF

C51B

8.2pF

C52B

75pF

Fo=30MHz

+5

C35B

68pF

L1B

T37-2-23T

L2B

T37-2-23T

C11B

1nF

3

4

5

6

1

2

K3B

HRB1-S-DC5V

3

4

5

6

1

2

K2B

HRB1-S-DC5V

+5

+5

C9B

100pF

C10B

100pF

C14B

NC

C12B

330pF

C15B

680pF

Fo=4MHz

BS1

BS2

BS3

BS4

BS5

BS6

BS1

BS2

BS3

BS4

BS5

BS6

C13B

680pF

C29B

30pF

C30B

150pF

C53B

120pF

C96B

33pF

C124B

33pF

C127B

20pF

C128B

20pF

C125B

NC

C126B

NC

C134B

22pF

C135B

NC

C136B

8.2pF

C137B

NC

C138B

82pF

C139B

27pF

C102B

100nF

C106B

100nF

PAI

C91B

1nF

C94B

1nF

+9

POF

POR

PO_REV

PO_FWD

9:1

C120B

100nF

R69B

0R

R70B

NC

R71B

NC

C133B

100nF

+9

R26B

5.1R

R28B

150R

R27B

680R

R25B

1.8k

R24B

1.8k

L11B

100uH

C46B

100nF

C97B

100nF

R22B

5.1R

C45B

100nF

C40B

100nF

+9T

C69B

100nF

C70B

100nF

L16B

100uH

C66B

100nF

C61B

100nF

R8B

220R

C75B

100nF

R12B

1k

L18B

100uH

1

TP2B

NC

C83B

100nF

R18B

1.5k

RW4B

5k

C73B

100nF

C67B

100nF

C62B

100nF

2

1

3

Q3B

RD06HHF1

R9B

220R

C76B

100nF

1

TP3B

NC

R14B

1k

R16B

1k

L19B

100uH

L17B

100uH

+13.8

R7B

220R

R5B

1k

L15B

100uH

1

6

3

4

2

T3B

BN-43-302

C82B

100nF

R15B

330R

RW2B

5k

R17B

330R

RW3B

5k

C81B

100nF

C68B

100nF

C74B

100nF

TX_PWR_SIG

2

1

3

Q1B

RD16HHF1

C60B

100nF

C77B

100nF

R4B

330R

R11B

330R

C87B

100nF

C88B

1nF

C89B

100pF

C85B

1nF

C86B

100pF

C84B

100nF

R10B

3.3R

R6B

3.3R

C80B

1nF

C79B

1nF

C64B

1nF

C63B

1nF

C71B

NC

R19B

4.7R

R3B

330R

RW1B

5k

C59B

100nF

1

TP1B

NC

1

TP4B

NC

C72B

NC

PAI

C107B

100nF

R65B

1k

+6REF

+9T

R66B

3.9k

C100B

100nF

RW5B

NC

R67B

2k

R64B

3.9k

+6REF

R62B

3.9k

+6REF

R61B

3.9k

+6REF

1

TP5B

NC

+6REF

R63B

3.9k

RT1B

NC

R68B

NC

R81B

NC

R82B

NC

R79B

NC

R80B

NC

R78B

NC

+9T

R34B

680R

C113B

100uF

C110B

100uF

C1B

100uF

C2B

100uF

C7B

100uF

C8B

100uF

C95B

10uF

C118B

10uF

C117B

10uF

C57B

10uF

C58B

10uF

C90B

100uF

LB10B

600R

LB2B

600R

LB1B

600R

LB4B

600R

LB5B

600R

LB6B

600R

LB7B

600R

LB8B

600R

D6B

BZT52C5V1

C145B

10uF

L20B

4.7uH

U6B

TL431CPK

Q7B

BC868

Q9B

IRLML5203PBF

Q10B

IRLML5203PBF

D5B

1N4007

1

2

3

4

5

U8B

TL331DBV

Q6B

FDS4435BZ

Q8B

FDS4435BZ

D3B

BZT52C10V0S

D4B

BZT52C10V0S

D16B

BZT52C10V0S

B1

1

B2

2

B3

3

B4

4

B5

5

B6

6

B7

7

E

8

COM

9

C1

16

C2

15

C3

14

C4

13

C5

12

C6

11

C7

10

U4B

ULN2004D

1

2

3

4

8

U5BA

LM358PW

5

6

7

U5BB

LM358PW

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

P5B

CON42

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

P7B

RJ458P8D-TRLED

A0

1

A1

2

A2

3

E1

4

E2

5

E3

6

Y7

7

Y6

9

Y5

10

Y4

11

Y3

12

Y2

13

Y1

14

Y0

15

U3B

74HC238PW

A0

1

A1

2

A2

3

E1

4

E2

5

E3

6

Y7

7

Y6

9

Y5

10

Y4

11

Y3

12

Y2

13

Y1

14

Y0

15

U9B

74HC238PW

2

1

3

4

T1B

74270176

2

1

3

4

T7B

74270176

P3B

U.FL

插座

P4B

U.FL

插座

1

2

3

4

5

6

T6B

744253200

1

2

3

4

5

6

T5B

744253200

3

4

1

2

5

6

T4B

74270176

T2B

7427056

Q5B

2SC5551

2

1

3

Q4B

RD01MUS1

2

1

3

Q2B

RD16HHF1

D18B

NUP2201MR6T1G

+5

Содержание X108G

Страница 1: ...he external power before opening case Do not forcibly remove any parts to avoid any damage Please use insulated screwdriver to adjust the circuit to avoid short circuit Do not turn on the radio for a...

Страница 2: ...0 45 180 mm Not including knob holder etc TX TX Power 15W 13 8V Modulation SSB Balanced modulation AM Low level modulation Spurious suppression 40dBc Carrier suppression 45dBc Selectivity SSB 2 2kHz 6...

Страница 3: ...Small signal front panel Part 2 Inside Circuit U17 Microprocessor RW4 Mic amplifier gain adjustment Intermediate frequency amplifier unit U10 Transmit Mixer U5 Receive Mixer...

Страница 4: ...Small signal back panel Local oscillator module BPF module...

Страница 5: ...U17B VC Voice Compressor Steady voltage power Final RF power amplifier Power standing wave detector...

Страница 6: ...he first IF amplify This amplified IF signal outputs to intermediate frequency crystal filter IFCF by T5 Q6 is NB control switch which controls the conducting of the Q21 3 1 4 IFCF sets The radio is b...

Страница 7: ...ts of U15B and U17B U15B SSM2167 has voice amplification and voice compression function and the compression ratio is switched by U15B 3 2 2 Modulator circuit The microphone amplified signal enters the...

Страница 8: ...t of antenna port and reflected power U5B buffs and amplify the tested output signal then sent to the microcontroller for processing and display the power and SW value 3 2 10 Automatic power control c...

Страница 9: ...nd voltage generator consists of microprocessor and U25 and U26 3 4 Power unit There are 2 groups main power supply for X108G 9V and 5V which are generated by U1B LM2940T 9 0 and U2B LM7805 on the pow...

Страница 10: ...r Measuring range 0 001 10A External speaker 8 2W All equipment has been measured and tested within the period of validity 4 2 Small signal board debugging 4 2 1 The small signal board has used the ne...

Страница 11: ...Setting specs RF signal source Frequency 14 251MHz initial output amplitude 10uV Audio analyzer SINAD test 1 Set the receiving frequency of X108G to be 14 25000MHz USB mode 2 Open PRE close ATT and AG...

Страница 12: ...close ATT and AGC and SQL 3 Measure the voltage of NB unit test point with digital multimeter 4 Adjust NB amplify IF transformerT16 to make the test point voltage to be minimum around 1 55V 5 Turn off...

Страница 13: ...tude by the each signal intensity as displayed on a screen and then press the SET button to enter the next level of signal settings 6 After setting all the signal levels press the SAVE button to save...

Страница 14: ...nplug the TX signal line from small signal board to the power amplifier board 4 Measure the amplitude of the test point TP10 with oscilloscope 5 Press PTT of hand microphone adjust PotentiometerRW4 to...

Страница 15: ...Required machines and its settings Machine Setting specs Audio frequency generator Frequency 1kHz Amplitude 100mV Vpp Spectrum analyzer Central frequency 14 25MHz BW 10MHz 50W RF load 1 Set the recei...

Страница 16: ...z BW 5MHz 50W RF load 1 Set the receiving frequency of X108G to be 14 25000MHz CW mode power 20W 2 Connect the RF load to the antenna interface of the X108G 3 Press the CW key to start the transmit me...

Страница 17: ...a dedicated test microphone to X108 disconnect the microphone input then press PTT to start the transmitting and record the current ammeter value as a baseline reading 6 Solder four debug solder join...

Страница 18: ...pF 0805 Murata GQM2195C2E750GB12 C26B C52B 12 capacitor 30pF 0805 Murata GQM2195C2E300GB12 C29B 13 capacitor 150pF 0805 Murata GRM21A5C2D151JW01 C30B 14 capacitor 27pF 0805 Murata GRM21A5C2D270JW01 C3...

Страница 19: ...1 Magnetic inductance T37 2 Through Hole HOMEMA DE L5B L6B 42 Magnetic inductance T37 2 Through Hole HOMEMA DE L7B L8B 43 Magnetic inductance T37 2 Through Hole HOMEMA DE L9B L10B 44 Magnetic inductan...

Страница 20: ...geo RC0603FR 075R1 R22B R26B 75 Resistance 1 8k 0603 Yageo RC0603FR 071K8 R24B R25B 76 Resistance 680R 0603 Yageo RC0603FR 07680R R27B R34B 77 Resistance 150R 0603 Yageo RC0603FR 07150R R28B 78 Resist...

Страница 21: ...n board parts NO Item SPECS PACKAGE BRAND MPN Designator 1 Capacitance 47uF 3225 Murata GRM32ER7YA476KE15L C1 2 Capacitance 100nF 0603 Murata GRM188R71H104KA93 C2 C3 C4 C5 C7 C8 C9 3 Capacitance 1nF 0...

Страница 22: ...RM1552C2A100GA01 C39 C44 8 Winding inductance 100uH 0805 TDK GLF2012T101K L1 L2 9 High Q Winding inductance 270nH 1210 TDK NLV32T 271J PF L3 L4 10 BTB Connector Spacing 0 8mm SMT domestic P1 11 RF Con...

Страница 23: ...72 C182 C188 C192 C201 C212 C215 3 Capacitance 2 2pF 0603 Murata GRM1885C2A2R2BA01 C3 C110 4 Capacitance 68pF 0603 Murata GRM1885C2A680JA01 C5 C10 C23 C36 C42 C69 C121 C164 5 Capacitance 1nF 0603 Mura...

Страница 24: ...Capacitance 2 2uF 0805 Murata GRM21BR71E225ME11 C179 C180 28 Capacitance 330pF 0603 Murata GRM1885C2A331JA01 C196 29 Capacitance 10pF 0603 Murata GRM1885C2A100JA01 C204 30 Capacitance 220pF 0603 Murat...

Страница 25: ...mm 2P domestic P7 54 BTB Connector spacing0 8mm SMT domestic P10 55 Connector MINI DIN6 Through Hole domestic P11 56 Digital triode DTC114EKA SC 59 ROHM DTC114EKA Q1 Q2 Q8 Q9 Q11 Q12 Q23 Q24 Q26 57 FE...

Страница 26: ...k 0603 Yageo RC0603FR 0747K R18 R138 R151 R152 78 Resistance 2 7k 0603 Yageo RC0603FR 072K7 R21 R29 R35 R46 R68 R81 R89 R90 R99 R131 79 Resistance 1M 0603 Yageo RC0603FR 071M R22 80 Resistance 220k 06...

Страница 27: ...sformer 1802 5x5 SMT T5 T16 112 IF transformer 1404 5x5 SMT T7 113 Single Pin Header 2 54mmspacing SIP2 domestic TP3 TP8 114 IC BU4S66G2 SOT 23 5 ROHM BU4S66G2 U1 115 IC LM321MF SOT 23 5 TI LM321MF U2...

Страница 28: ...ule 80m 160m module Xiegu XGM1 139 Xiegu module 40m 60m module Xiegu XGM2 140 Xiegu module 20m 30m module Xiegu XGM3 141 Xiegu module 15m 17m module Xiegu XGM4 142 Xiegu module 10m 12m module Xiegu XG...

Страница 29: ...Part 6 PCB Small signal board TOP...

Страница 30: ...Small signal board BOTT...

Страница 31: ...AMP Power board TOP...

Страница 32: ...AMP Power board BOTT...

Страница 33: ...Part 7 Radio block diagram...

Страница 34: ...T SW Keyer J5 PJ 3 5 ST SW R121 100R R122 100R LB4 600R LB6 600R C141 1nF C145 1nF L51 1uH R197 100R R196 100R C64 100nF R73 NC L23 1uH L24 1uH C148 100nF C149 100nF C150 100nF C151 100nF C152 100nF C...

Страница 35: ...F C38B 120pF Fo 14 5MHz L9B T37 2 11T L10B T37 2 11T C48B 220pF C49B 100pF 3 5 1 3 4 5 6 1 2 K11B HRB1 S DC5V 5 5 C41B 12pF C42B 12pF C47B 100pF Fo 21 5MHz L13B T37 2 8T L14B T37 2 9T C54B 68pF C55B 1...

Страница 36: ...WWW CQXIEGU COM XIEGU COMMUNICATIONS...

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