E L E C R A F T

KX2 Schematic Files

E740324, Rev A

Release Date: July 28, 2017

This document contains the schematics for the Elecraft KX2 Transceiver and its internal options.

The schematics are preceded by a Block Diagram for context.

The schematics are presented first as a basic KX2, with the two option modules following.

BLOCK DIAGRAM

Control Panel Board [E850728]

RF Board [E850729]

Band Pass Filter Board [E850730]

KXIO2 RTC and General Purpose I/O Board [E850732]

KXAT2 Automatic Antenna Tuner Board [E850733]

RF Board SPI

T/R Switch

KX2 Block DiagramRev: 02 May 2016

80m – 10m

Sin/CosSi5351

74VLC74

RxMFST3257RF Switch RF Switch

TxMFST3253

Rx AF Preamp and LPF

AD8599 + OPA2209

Tx AF AmpOPA4376

IQ DAC(48 kHz)

PCM1773(SE)

IQ ADC(48 kHz)

PCM1803A(SE)

ADSP-21479DSP

Rx RF Preamp/

AttenuatorsNE46134

Tx PA Temp

SensorLM20

+3.3V and +1.2V Switching Regulators+5V, +3.3V and +1.8V Linear Regulators

(LM78L05, LM78M05, MIC5265, LP2985, LM2671, LM2831)

PIC18F87K22

LCD ControllerPCF85134

(6V)

FP Controls(1 main enc, 3 small enc w/sw, 12 sw)

KXAT2 ATU

(7L & 7C)

10W Amp 2x

RD15HVF1

SP/PH DAC

(48 kHz)AIC3105

Mic/Line ADC

(48 kHz)AIC3105

Serial I/O (2N7002,

MMBT3904)

RECEIVE TRANSMIT

Tx & Rx

KEY

SPKR Amp TDA7052A

RF BOARD

ATU (Option)

CP BOARD

I2C

80m – 10m

ANTENNA

EEPROM24LC512

SPI

2 Megabyte FLASH

Boot/DataM25PX16

(SPI)

KXIO2 Clock (Option)PCF2123

NPIC6C596A(SPI)

+12V Ext

MCP23S17 IO Expanders (SPI)

PWR/SWR BRIDGE

Si5351 Temp

SensorLM20

`

W. Burdick, L. Johnson, R. Heineck, R. Friess

p/o CP Board

SCL0

HPLOUT

HPDET

HPROUT

MICAUD

VPTTUPDN

nDASHALT

TXD

nDOTALT

nDOT

nDASH

RXD

nPWRHOLD

nPWRSWnPWRA

nPWRB

ISENSE

12VUNSW

3R

TXI

TXQ AFGND

VFWD

VRFL

TXDACREF

PABIAS1

VPATEMP

CS_RTC

AUXEN

nCS1B

SCKB

MISOB

MOSIB

RXI

RXQ

INT_MIC

SCL0

SDA0

LO

SDA0

PABIAS2

PABIAS1

PABIAS2

PWRCTL

12VUNSW

PWRCTL

LO

RX232

TX232

SPARE1

VOSCTEMP

Separate 0.1" to 0.15"

C6

0.1 uF

C7

10uF

C9

0.1

uF

C11

10uF

C5

3

0.0

1 u

F

C5

4

0.1

uF

C6

7

1u

F

C7

4

1u

F

C7

5

10

0 p

F

C7

7

0.1

uF

C8

6

1u

F

C1

03

1u

F

C106 100 pF

C1

07

0.1

uF

C1

12

0.1

uF

C1

13

0.1

uF

C1

14

0.1

uF

C115

0.1 uF

C1

20

N.P

.

C1

22

0.1

uF

C1

25

N.P

C128 100 pF

C1

35

N.P

CN

1.1

10

00

pF

CN

1.2

10

00

pF

CN

2.1

10

00

pF

CN

2.2

10

00

pF

CN

5.1

0.0

1u

F

CN

5.2

0.0

1u

F

CN

6.1

0.0

1u

F

CN

6.2

0.0

1u

F

CN

8.1

0.0

1u

F

CN

8.2

0.0

1u

F

CN

12

.1

0.0

1u

F

CN

12

.2

0.0

1u

F

CN13.1 100pF

CN13.2 100pF

D3

MM

BD

91

4

D5

MMBD914

J1

ACC

J3

MIC

J4

KEY

J5

PHONES

M1

SPW2430

12V3V3D

3V3D

5VD

3V3A

3V3D

12

V3

V3

D

3V3A

P1

PADDLE

P2

TM

M-1

06

-03

-F-D

P3

TM

M-1

10

-03

-F-D

Q1

MMBT3904

Q2

.1

PM

GD

78

0S

N

Q2

.2

PM

GD

78

0S

N

Q6

2N7002

Q7

MMBT3906

Q8

BSS84

R2 220

R11.1

10K

R11.2

10K

R11.3

10K

R11.4

10K

R14.1

220R

R14.2

220R

R16.1 220R

R16.2 220R

R58

10k

R67 22.0 K

R69

220

R77

402R

R79 10.0 K

R82 220

R83 220

R84

402R

R8

5

10

.0 K

R86 10.0 R

R87 10.0 R

R94 220

R99 220

R100 220

R105 220

R1

07

10

k

R1

08

4.7

k

R1

09

4.7

k

R110 330

R1

12

10

k

R1

13

10

k

R114 220

R115 220

U9.1

Si5351A

U14.1

LM20

U21.1

MCP4661

Y3

25.0 MHz

Elecraft, Inc.

KX2: Connectors and I/O

Copyright (c) 2016

71

B

02 May 2016

SCAN100

SCAN101

SCAN102

SCAN103

SCAN104

SCAN105

GAINA

GAINB

SCAN100

SPDMICA

SPDMICB

SCAN102

OFSBA

OFSBB

SCAN103

BMA

nPWRA

ATA

nPWRB

MAINENCA

MAINENCB

SPDMICB

SPDMICA

MAINENCA

MAINENCB

VLCDBKLT1

LEDTX LEDDELTA LEDOFS LEDB

VLEDBRT

TX DELTA OFS B

C8

2

N.I

.

C9

2

N.I

.

C9

3

N.I

.

C1

16

N.I

.

D7

BAT54C

D8

BAT54C

LE

D1

GR

N

LE

D2

GR

N

LE

D3

RE

D

LE

D4

YL

W

3V3D

3V3D

3V3D

3V3D

5VD

3V3D

Q3

2N7002

Q4

.1

PM

GD

78

0S

N

Q4

.2

PM

GD

78

0S

N

Q5

.1

PM

GD

78

0S

N

Q5

.2

PM

GD

78

0S

N

R26

10k

R29

10k

R43

10k

R44

10k

R5

4

2.2

k

R5

5

10

0

R5

6

2.2

k

R5

7

10

0

R6

3

47

.0 R

R72

10k

R7

3

2.2

k

R7

8

10

k

R80

1k

R81

1k

R8

8

10

k

R89

1k

R90

1k

R91

10k

R9

3

10

0

R9

5

10

k

R96

1k

R1

03

1.5

k

R1

04

0R

R1

16

10

k

S1

MODE

S2

BAND

S4

RATE

S8

RIT

S9

DATA

S10

MSG

S11

A/B

S12

XMIT

S13

PRE

S14

FIL

S15

ATU

S20

DISP

Z1

LCD BACKLIGHT

Z2

GAIN

Z3

VFO A

Z4

SPDMIC

Z5

OFSB

Elecraft, Inc.

KX2: Switches and LEDs

Copyright (c) 2016

A4

7of2

B

L Johnson KK7P

E850728

02 May 2016

PGD

PGC

nPWRSW

MCLR

ICD

MOSI

MISO

SCK

nCSEEP

MISOB

nSPIEN

MOSI

nCS1

SCK

MISO

MOSIB

nCS1B

SCKB

SCAN100

SCAN101

SCAN102

SCAN103

nRST

SCAN104

SCL0

HPDET

nDASHALT

nDOT

nDASH

3R

nPWRHOLD

PGC

PGD

BMA

ATA

VLEDBRT

SCK

MISO

MOSI

TXD

RXD

LEDTX

nCS1

nCS0

nCSEEP

SDA0

SCL0

BOOTSPI

VPTTUPDN

nDOTALT

VFWD

VRFL

SCAN105

V12MON

nSPIEN

MCLR

VCONTRAST

OFSBB

OFSBA

SPKRLVL

GAINA

GAINB

MAINENCA

MAINENCB

SPDMICA

SPDMICB

DSPBUSY

DSPDATA

LEDDELTA

ENCEN

LEDB

LEDOFS

CS_RTC

AUXEN

VBCR

HPDET

ISENSE

VPATEMP

VLCDBKLT1

VPTTUPDN

SDA0

nDASH

nDOT

SCAN102

SCAN100

SCAN103

SCAN101

SCAN104

SCAN105

nDASHALT

nDOTALT

3R

MOSI

MISO

SCK

RXD

TXD

SCAN100

SCAN102

SCAN104

SCAN105

SCAN103

SCAN101

V12MON

AMPKEY

SPARE1

VOSCTEMP

C1

2

33

pF

C16 100 pF

C2

7

33

pF

C30 100 pF

C31 100 pF

C6

1

0.1

uF

C9

7

10

00

pF

C9

8

10

00

pF

C108 0.01 uF

C109 100 pF

C110 100 pF

CN9.1 1000pF

CN9.2 100pF

CN10.1 100pF

CN10.2 100pF

CN11.1 1000pF

CN11.2 100pF

D1

BAT54LT

J6

MM

S-1

03

-02

-F-D

H

3V3D

3V

3D

3V

3D

3V3D

12V

3V3D

R15 120

R17

20k

R1

8

47

k

R19 0

R25

20k

R27 1k

R28 470

R30.1 120R

R30.2 120R

R30.3 120RR30.4 120R

R31 470

R40 22

R4

2

10

k

R4

5

47

k

R46 10k

R47 10kR48 10k

R49 10k

R50 100

R101 10k

R102 10k

RP3

100K

U6.1

25LC5256

U10.1

PIC18F87K22

U15NC7SZ125

U16.2

74HCT125

Y2 16.0 MHz

Elecraft, Inc.

KX2: MCU

Copyright (c) 2016

A4

73

B

L Johnson KK7P

E850728

02 May 2016

C5

15

pF

C1

0

15

pF

C1

40

10

0 p

F

C1

41

10

0 p

F

3V3D

3V3D

3V3D

3V3D

3V3DR3 10k

R6 10k

R7 10k

R8 10k

R9 10k

R1

0

4.7

k

R13 10k

R20 10k

R21 10k

R22 10k

R23 10k

R34

470

R3

5

1M

R66

4.7k

R125 1k

R126 1k

U2.2

ADSP-21479

U2.3

ADSP-21479

U3.1

FST3257

U4.1

M25PX16

U5

MCP120T-300

Y1

18.432 MHz

Elecraft, Inc.

KX2: DSP

Copyright (c) 2016

A4

74

B

L Johnson KK7P

E850728

02 May 2016

TXDACREF

TXDACREF

TXDACREF

TXI

TXQ

DBG0

DBG1

DBG2

DBG3

RXI

RXQ

SPLIN

MICAUD

HPLOUT

HPROUT

AFGND

DBG0

DBG1

DBG2

DBG3

SPKRLVL

SPLIN

DO NOT INSTALL

C1

100 uF

C2

100 uF

C3

0.1

uF

C8

22

0 u

F

C37

0.1 uF

C42

0.1 uF

C4

8

0.1

uF

C49

0.1 uF

C5

6

0.1

uF

C6

9

10

uF

C7

2

27

00

pF

C7

3

10

uF

C8

8

27

00

pF

C9

5

10

uF

C9

9

10

00

pF

C1

00

10

00

pF

C1

04

0.0

1 u

F

C1

05

0.0

1 u

F

C1

24

0.1

uF

L1 100 uH

L3 100 uH

LED5

RED

LED6

RED

LED7

RED

LED8

RED

5VD

3V3D

3V3A

R1

1k

R4

1k

R5

1k

R12

1k

R24

2.2k

R32

56 R

R36

2.2k

R51

100

R52

8.2k

R53

15k

R59

N.P.

R60

15k

R61

100

R62

N.P.

R64

1k

R65

1k

R68

56 R

R71

8.2k

R76

4.7k

R98

10k

R1

20

4.7

k

R124

N.P.

TP1

TP2

TP3

TP4

TP5

SPKR+

TP6

SPKR-

TP7

U1.1

TLV320AIC3105

U2.1

ADSP-21479

U12.1

PCM1803

U18.1

TLC2272A

U18.2

TLC2272A

U19.1

PCM1773PW

U26

TDA7052A

Elecraft, Inc.

KX2: IF and AF

Copyright (c) 2016

A4

75

B

L Johnson KK7P

E850728

02 May 2016

SEG

COM

SCL0

SDA0

D6

MM

BD

91

4

DS1

Custom 240 segment

5VD12V

R3

3

4.7

0 K

U8.1

PCF85134

Elecraft, Inc.

KX2: LCD

Copyright (c) 2016

A4

76

B

L Johnson KK7P

E850728

02 May 2016

C40.1uF

C1

3

0.1

uF

C1

4

0.1

uF

C1

5

0.1

uF

C1

7

0.1

uF

C1

8

0.1

uF

C1

9

0.1

uF

C2

0

0.1

uF

C2

1

0.1

uF

C2

2

0.1

uF

C2

3

0.1

uF

C2

4

0.1

uF

C2

5

0.1

uF

C2

6

10

uF

C2

8

0.1

uF

C2

9

0.1

uF

C3

2

0.1

uF

C3

3

0.1

uF

C3

4

0.1

uF

C3

5

0.1

uF

C3

6

0.1

uF

C3

8

0.1

uF

C3

9

0.1

uF

C4

0

0.1

uF

C4

1

0.1

uF

C4

3

10

uF

C4

4

22

uF

C4

5

0.1

uF

C4

6

0.1

uF

C4

7

0.1

uF

C5

0

0.1

uF

C5

1

0.1

uF

C5

2

0.1

uF

C5

5

0.1

uF

C5

7

0.0

1 u

F

C5

8

22

uF

C5

9

22

uF

C6

0

10

uF

C6

2

10

uF

C6

3

0.1

uF

C6

4

0.1

uF

C6

5

0.1

uF

C6

6

0.1

uF

C6

8

10

uF

C7

0

0.1

uF

C7

1

22

uF

C7

6

0.1

uF

C7

8

0.1

uF

C7

9

0.1

uF

C8

0

47

0 u

F

C8

1

0.1

uF

C8

3

0.1

uF

C8

4

0.1

uF

C8

5

0.1

uF

C8

7

10

uF

C8

9

1 u

F

C9

0

0.0

1 u

FC

91

0.1

uF

C9

4

0.1

uF

C9

6

0.1

uF

C1

01

10

uF

C1

02

10

0 u

F

C1

11

56

0 u

F

C1

18

10

0u

F

C1

21

0.1

uF

C131

100 pF

C1

33

10

0 u

F

C1

34

10

0 u

F

C1

36

0.1

uF

C1

37

10

uF

C1

38

0.0

1 u

F

C1

39

10

uF

D2

B1

30

D4

B1

30

FIDUCIAL1

FIDUCIAL2

L2

6.2 uH

L6

100uH

L7

15

uH

L8

15

uH

3V3D

1V2D

1V2D

3V3D

12V

12V

5VA

5VD

3V3A

5VD

1V8D

12V

3V3D

1V2D

1V2D

1V2D

3V3D

3V3D

3V3D

5VA

3V3A

3V3A 1V8D 3V3D

5VA3V3D

5VA

3V3D

3V3A

R37

10.0 K

R3

8

10

.0 K

R39

10.0 K

R41

0.025 R

R1

19

1.0

0 K

ST1

STANDOFF

ST2

STANDOFF

ST3

STANDOFF

ST4

STANDOFF

ST5

STANDOFF

U1

TLV320AIC3105

U2

ADSP-21479

U3

FST3257

U4

M25PX16

U6

.2

25

LC

25

6

U7

MIC5265-1.8

U8.2

PCF85134

U9

Si5351A

U10

PIC18F87K22

U11

LM2831YMF

U1

2

PC

M1

80

3

U13

LM2671M

U14

LM20

U1

6.1

74

HC

T1

25

U18

TLC2272A

U1

9

PC

M1

77

3P

W

U2078M05

U21.2

MCP4661

U23LP2985-3.3

U2478L05

U25LP2985-3.3

Elecraft, Inc.

KX2: Power

Copyright (c) 2016

A4

77

B

L Johnson KK7P

E850728

02 May 2016

CLKs

CLKc

3R

RELAY_COM

BPF_A

BPF_B

12VUNSW

C1

1uF

C2

.01

C3

1uF

C4

1uF

C5

220u

FC

8

0.1

uF

C9

1uF

C10

0.1

uF

C11

.1

100p

F

C11

.2

100p

F

C11

.3

100p

F

C11

.4

100p

F

C12

1uF

C13

470u

F

C14 .01

C15 1uF

C16

100u

F

C17 1uF

C18

1uF

C19

10uF

C20

10uF

C21

47uF

C22

10uF

C80 1uF

D1

PMEG3030

D2

PMEG3030

J1J2

J3

J5

J6

L1

4.7uH

L2 22uH

L4

12V

3V3

5VD

5VD12V

12VA3V3

AF

8VA

AF

5VA

AF

12V

12V

P1

P2

P3

P4

Q1DMP4015SSSQ

R1

4.7k

R2

220

R3

0.05

R4 1k

R5

22.0

R6

100

R8

220

R11

220

SPARE1

SPARE-A

U1.1

MCP23S17

U1

MCP23S17U3

ZXCT1010

U4.1

U4.274LVC74A

U4

74LVC74A

U5

LE80C

U678L05A

Copyright © 2016

PREAMP_ON

RX_IN

ATTEN_ON

RXI

RXQ

AUX_EN

C25

0.1

uF

C27

0.1

uF

C28

0.1

uF

C29 .01

C30

0.1 uF

C31

0.1 uF

C32

0.1 uF

C35

1uF

C36

0.1

uF

C37

10uF

C38

0.1uF

C39

22uF

C40

5600

pF

C41

1000

pF

C42

2.2u

F

C43

0.1uF

C44

2.2uF

C45 .01C46

2.2uFC47

4700pFC48

6800pF

C49

2.2u

F

C50

0.1uF

C51

0.1

uF

C52

10uF

C53

22uF

C54

0.1

uF

C55

5600

pF

C56

1000

pF

C57

2.2u

F

C58

0.1uF

C59

2.2uF

C60 1uF

C61 1uF

C62 .01C63

2.2uF

C64

6800pF

C65

4700pF

C66

0.1

uF C67

2.2u

F

C85 .01

L5

470uH

L6

470uH

L7

470uH

L8

L9

470uH

L13

22uH

3V3

5VA

3V3

12VA

AFAF

12VA

5VA

AF

AF

AF

AF5VMIX

12VA

AF5VA

5VA

AFAF

5VMIX

AF

AF

AF

5VA

AF

AF AF

P5

P6

Q6NE46134

R7

10k

R9

47k

R10 2.2

R12 68

R13

560

R14

3.3k

R15 62 R16 62

R17

220R

18 68k

R19

2.7k

R21

2.2k

R23

24

R24 165

R25 402 R26

499R27

365

R28 499

R29

340

R30

1.43k

R31

2.20k

R32 10k

R33 130

R34

24

R35.1

22k

R35.2

22k

R35.3

22k

R35.4

22k

R36

3.3k

R37 165

R38.1

4.7k

R38.2

4.7k

R39 402 R40

499R41

365

R42

.1

22k

R42

.2

22k

R42

.3

22k

R42

.4

22k

R43 499

R44

340

R45

1.43k

R46

2.20k

R47 130

T2

1:4

U7PE4239 U8

PE4239

U9

PE4239

U10

PE4239

U11.1

74CBT3257

U11

74CBT3257

U12.1

74CBT3257

U12

74CBT3257

U13.1

AD8599

U13.2

AD8599

U13

AD8599

U14.1OPA2209

U14.2OPA2209

U14

OPA2209

U15.1

FSA1259A

U15

FSA1259A

Copyright © 2016

TXQ

TXI

TXDACREF

PA_OUT

BIAS_Q3

BIAS_Q2

12PA_ON

TX_DRV

PA_ON

VPATEMP

PA_IN

3R

C6.

1

.01

C6.

2

.01

C7.1

0.1

C7.2

0.1

C23

0.1 uF

C24

100

pF

C26

100

pF

C33

.1

.01

C33.2

.01

C68

0.1

uF

C69

0.1 uF

C70

2700pF

C71

not u

sed

C72

0.1

uF

C73

0.1

uF

C74

0.1

uF

C75

0.1

uF

C76

2700pF

C77

not u

sed

C78

0.1

uF

C79

0.1

uF

C81

1uF

C82

0.1

uF

C83

not u

sed

C84

0.1u

F

C86

0.1 uF

C87

0.1uF

C88

0.1

uF

C89

0.1 uF C90

0.1u

F

C91

36pF

C92

0.1 uF C94

0.1 uF

C97

0.1u

F

C98

not u

sed

C99

0.1

uF

C10

0

0.1

uF

L3

0.33uHL1

0

22uH

L11

22uH

L12

5VA 8VA 3V3

AF

12V

12V

8VA Q2RD15HVF1

Q3RD15HVF1

R48

2.20k

R49

2.20

k

R50.1

100

R50.2

100

R50.3

100

R50.4

100

R51

2.20k R52

2.20kR53

39

R55

2.20k

R56

2.20

k

R57

2.20k R58

2.20k

R59

.1

10k

R59.2

10kR60

220

R61

150

RR

62

150

R

R63

150

RR

64

150

R

R65

3.3k

R66 10k

R67

150

R68

10.0

R69

.1

10k

R69.2

10k

R69

.3

10k

R69

.4

10k

R70

100

R72

100R73

10R74

10.0R75

49.9

R76

499R77

150

R78 499

T3

1:1

T41:1

T5

T6 1:1

T71:1

U16.1OPA4376

U16.2OPA4376

U16.3OPA4376

U16.4OPA4376

U16

OPA4376

U17.1

FST3253

U17

FST3253

U18

FDC6330L

U19.1

LM20

U19

LM20

U20SGA7489

U21.1ADA4860

U21

ADA4860

U22SGA7489

Copyright © 2016

LPF80

LPF40_60

LPF20_30

LPF15_17

LPF10_12

RELAY_COM

LPF-

B

LPF-

A

VFWDVREFL

RFTP

PA_OUT

12PA_ON

3R

BPF_BBPF_A

PA_IN

RX_IN

TX_DRV

C10

1

0.1

uF

C103

36 pF

C104

13pF

C105

22pF

C106

47pF

C107

1100 pF

C108

0.1uF C10

9

18pF

C11

0

62pF

C11

1

150p

F

C11

2

75pF

C11

3

68pF

C11

4

220p

F

C11

5

100p

F

C116

180pF

C117

43pF

C118

10 pF

C11

9

0.1

uF

C12

0

180p

F

C12

1

270p

F

C12

2

240p

F

C12

3

150p

F

C124

1uF

C125

1uF

C12

6

.01

C12

7

0.47

uF

C128

220pF

C129

62pF

C13

0

1uF C131

.01

C132

.01

C13

3

390p

F

C13

4

620p

F

C13

5

560p

F

C13

6

330p

F

C13

7

.01

C13

8

.01 C139

300pF

C140

100pF

C14

1

.01

C14

2

360p

F

C14

3

1000

pF

C14

4

470p

F

C14

5

.01

C14

6

.01

C14

7

.01

C14

8

.01

D3SMF5V0A D4

BAV99D5SMF5V0A

D6

D7

D8

BAP64-02

D9

S1M

D10

.1

BA

S70

D10

.2

BA

S70

GD

T1

J11

K1.

1

K1.

2

K1.3

K2.

1

K2.

2

K2.3

K3.

1

K3.

2

K3.3

K4.

1

K4.

2

K4.3

K5.

1

K5.

2

K5.3

L14

0.23uH

L15

0.29uHL16

0.40uH

L17

0.33uH

L18

0.33

uH

L19

2.7u

H

L20

2.7u

H

L21

100u

H

L22

100u

H

L23

0.66uH

L24

0.34uH

L25

0.53uH

L26

1.4uH

L27

0.91uH

L28

1.2uH

L29

1.5uH

L30

2.0uH

3V3

3V3

Q4ZVN4525

Q52N7002

R79

49.9

R80

49.9

R81

220 R

R82 150

R83

.1

100

R83

.2

100

R84.1

100k

R84.2

100k

T8

T9

U23

PE4239

U24

PE4239

U25.1NC7SZ125

U25

NC7SZ125

Copyright © 2016

BPF10_12

BPF15_17

BPF20_30

BPF40_60

Spare1

BPF80

BPF_A

BPF_B

C1

0.1

uF

C2

0.1 uF

C3

3900 p

F

C4

0.1

uF

C5

0.1

uF

C6

0.1

uF

C7

1200 p

F

C8

0.1

uF

C9

620 pF

C10

0.1

uF

C11

4300 p

F

C12

0.1 uF

C13

3000 pF

C14

30 pF

C15

1100 p

F

C16

0.1 uF

C17

750 p

F

C18

360 p

F

C19

1500 p

F

C20

0.1 uF

C21

100 pF

C22

0.1

uF

C23

510 pF

C24

750 p

F

C25

1100 p

F

C26

0.1

uF

C27

0.1

uF

C28

0.1

uF

C29

4300 p

F

C30

560 p

F

C31

2200 p

F

C32

0.1 uF

C33

680 p

F

C34

1200 p

F

C35

56 pF

C36

82 pF

C37

1100 pF

C38

0.1

uF

C39

0.1 uF

C40

0.1

uF

C41

0.1 uF

C42

0.1

uF

D1.1

BAS16TW

D1.2 D1.3

D2

BAP64-02

D3

BAP64-02

D4

BAP64-02

D5

BAP64-02

D6

BAP64-02

D7

BAP64-02

D8

BAP64-02

D9

BAP64-02

D10

BAP64-02

D11

BAP64-02

L1

1.0

uH

L2

0.1

5uH

L3

47uH

L4

100uH

L5

100uH

L6

100uH

L747nH

L8

27nH

L9

12nH

L100.10uH

L11

4.7

uH

L12

15uH

L130.75uH

L14

0.1

5uH

L15

0.3

9uH

L160.27uH

L17

82nH

L18

4.7

uH

L19

47uH

L20

0.6

2uH

L21

100uH

L22

12nH

L2391nH

L240.39uH

L25

1.0

uH

L260.27uH

L27

0.3

9uH

P1

P2

R1.1

220

R1.2

220

R1.3

220

R1.4

220

R2.1

220

R2.2

220

R2.3

220

R2.4

220

R3.1

220

R3.2

220

Copyright © 2017

AUX_EN

C1

1u

F

C2

10

uF

C3

1u

F

C1

1

.1u

F

D1

DA2S10100L

J1

J3

J4

J5

J6

+12V+12V

R1

270k

TP1

U1

LD2980

U2

LM385-2.5

U3.1

PCF2123

U3

PCF2123

X1

32.768 kHz

D2

DA2S10100L

R7

8.2k

U5.1

NPIC6C596A

U5

NPIC6C596A

C4

.1u

F

4

3

2

1

C5

.1u

F

C6

.1u

F

R2

1R

R3

1R

+3.3V

+3.3V

5

6

89

12V

C1

2

33

mF

C7

33

mF

Copyright ©

L_63n

L_125n

L_250n

L_500n

L_4u

L_2u

L_1u

LO_L_DRV HI_L_DRV LO_C_DRV

C_10p

C_20p

C_40p

C_80p

ANT_HI_Z

HI_C_DRV

C_160p

C_320p

C_640p

ATU ID = 0

C1

10 p

F

C2

18 p

F

C3

39 p

F

C4

82 p

F

C5

82 p

F

C6

330 p

F

C7

680 p

F

C8

82 p

F

C9

0.1

uF

C10

0.1

uF

C11

.01

C12

.01

C13

.01

C14

.01

C15

.01

C16

.01

C17

.01

C19

.01

C20

.01

C21

.01

C22

.01

C23

.01

C24

.01

C25

.01

C26

.01

C27

.01

C29

.01

C30

.01

C31

0.1

uF

C32

0.1

uF

C33

1uF

K1.1

K1.2

K1.3

K2.1

K2.2

K2.3

K3.1

K3.2

K3.3

K4.1

K4.2

K4.3

K5.1

K5.2

K5.3

K6.1

K6.2

K6.3

K7.1

K7.2

K7.3

WP1RED

WP2BLK

K10.1K10.2

K10.3

K11.1

K11.2

K11.3

K12.1

K12.2

K12.3

K13.1

K13.2

K13.3

K14.1

K14.2

K14.3

K15.1

K15.2

K15.3

K16.1

K16.2

K16.3

K17.1

K17.2

K17.3

L1

47nH

L2

0.11uH

L3

0.23uH

L4

0.50uH

L5

1.0uH

L6

2uH

L7

4.0uH

RF

+5V

+5V

+5V

RF

P1

U1.1

MCP23S17

U1

MCP23S17

U2.1

MCP23S17

U2

MCP23S17

U3.1U3.2

74LVC74A

U3

74LVC74A

U4.1 U4.2

74LVC74A

U4

74LVC74A

+12V

J1

RF

R1.1

22

R1.2

22

R1.3

22

R1.4

22

C37.1

100pF

C37.2

100pF

+5V

C18

not used

C28

not used

C35

not used

RF

RF

RFL8

not used

GD

T1

C36.1

100pF

C36.2

100pF

Copyright © 2016