Motorola HT 1000 Nc Nc Nc Nc Nc Clk, DET VDD VDD2, Cext, Batt, Vopt Output, Input GND, RAWB+ NC2

C245

B+

NC NC NC NC NC

D

CLK

F1

1000pF

9

13

13Vdc

C274

4Vpp

23 14

20

27

7

21

1

BATT+

DE

C258

*

16.8MHz10

DET

VDD

CE

VDD2

NC12

NC13

CEXT

SO

S1

25

L202

5V_REG

SB+

1.0A

C315

2

BATT-

4.7uF

CR204

8

SCK

22

1A

100pF

FOUT

32V

1

K1

A1

6

5Vdc

12 VOPT

SS 24

1

OUTPUT

U202

INPUT

8

GND

2

K2

A2

5

R221

2.1MHz

C279

C280

C260

11

VREG

U203

NC18

32

2.2uH

C282

C254

C255

NC

5

ERROR

FEEDBACK

7

C125

3

NC

3

4

20 36 42 25 23 11

100pF

0.1uF

.047uF

REF OSC

31

0.1uF

4.7uF

0.1uF

2

3

3.3uF

K3

A3

1.2K

26 GND

NC17

SENSE

SHUTDOWN

IS_B+

.01uF

SIN

VCP DC5V4

DC5V3

DC5V2

DC5V1

CLK 100pF

R211

.01uF

1

NC1

16.8 MHz

NC16

30

6

5V_TAP

GND

J301-1

RAW_B+

*

3

NC2

NC15 28

7.5Vdc

C256

C289

C288

2

NC4

NC5

NC6

NC7

NC8

NC9

NC10

NC11

29

5V REG

8

VMULT2

FREFOUT

10

NC3

NC14

C210

4

J301-20

RAW B+

C267

C257

9

VMULT1

CLK

3

4

5

6

15

16

17

18

19

16.8MHz

1 Vpp

.022uF

.01uF

.01uF

7

15

NC

VMULT3

XTAL2

J301-2

SW_B+

CR206

6

VMULT4

XTAL1

14

2.3Vdc

C266

MODIN

5

J301-3

VCO_MOD

1

2

3

26

C217

C303

NC

K1 K2 K3

.01uF

5V

NC 27

TST1

100pF

.022uF

0V OR 5Vdc UNLOCK

CR205

0V

NC

TST2

2.0Vdc typical

J301-5

REF_OSC_SEL

R218

D

(shield in place)

C304

5Vpp (N0te 6)

C52

5V_REG

100pF

100K

R18

U204

.018uF

0Vdc (Rx, Tx) (Note 7)

NC 37

AUX1

DATA

2

200K

R16

R17

C64

C65

C63

C96

LCK

Q5

Else 4.4 Vdc (Note 6)

39

SYNTHESIZER

32

2.7K

20K

0.1uF

R34

4700pF

R32

0.1uF

.01uF

AUX3

IOUT

A1 A2 A3

NC 40

AUX4

IADAPT

34

47K

2.7K

R1=47K

J301-4

-23dBm

LOCK_DET

-7.6 Vdc(Rx) (Note 6)

6

5

4

LCK

NC 35

ADAPTTSW

SYN

C275

C53

C54

3.8Vdc

LOCK=5V

C308

-7.8 Vdc(Tx) (Note 6)

0.1uF

0.15uF

39pF

(NOTE5)

UNLOCK=0V

100pF

41

CR5

C55

Else 0 Vdc (Note 7)

Q201

LOCK

EN_CE

4

3

C216

33pF

1

C49

CLK

24

R212

2.5Vdc

Q1

C284

C270

S

PVREF

12

NC

3300pF

R213

TP5

C58

0.33uF

3.4Vdc

DURING

L301

C313

J301-15

CLOCK

0.22uF

AD_BYPASS

NC

750

1000pF

29

CPBIAS1

R211

470

C56

2

2.2pF

PROGRAMING

390nH

*

D

73.35MHz

1.7Vdc (RX)

1.6Vdc (TX)

28

CPBIAS2

WARP

16

NC

150

1

L24

R35

43pF

2.8Vdc

C246

180nH

47K

R214

19

SOUT

SBASE

18 NC

L222

1.7Vdc

J301-14

IF_SEL

R215

43K

21

PREIN

CAP

17

C247

270nH

.022uF

TP5 VCTRL

C311

C57

43K

38

AUX2

MODOUT

30

C253

0.47uF

R33

C95

3300pF

4.9(RX)Vdc @ 450MHz

43pF

GND2R

GND1R

10uF

2.7K

8.2pF

D

C290

GND4

GND3 GND2

GND1

EN

.022uF

6.1(RX)Vdc @ 512MHz

5V_REG

51K

C287

5.2(TX)Vdc @ 450MHz

R45

L223

C271

C250

C294

100pF

33

22 13

1 44 43

31

7.4(TX)Vdc @ 512MHz

CR12

23 14

18

22 25

19

20 21

29

C305

J301-12

SQ_OUT

7.7(RX)Vdc @ 520MHz

4.7uF

100pF

L221

1

+5V4

LO IN

Vc

VIBYPASS

DATA

CE

SQ C4POS

100pF

390nH

1000pF

9.2(TX)Vdc @ 520MHz

13

+5V2

16.8MHz

CLK

32

390nH

3

2

PINS 31-38 = 2.5Vdc

SYN

17

+5V3

C4NEG

31

L25

C45

2.2uH

12 Vpp

C3NEG

33

0.22uF

J301-17

SYN_SEL

TO P301

R203

C238

CR207

CR208

4.6Vdc (NOTE 5)

11 +5V1

C3POS

34

C44

C309

C211

0.22uF

22

100pF

R43

C40

1.6Vdc

C2NEG

35

3300pF

100pF

C235

L207

L209

R51

R53

L23

*

100pF

U3

C2POS

36

C43

1kHz

L219

4.3pF

22nH

390nH

1.2K

10K

560nH

-53dBm (NOTE 5)

6

DM_IN

C1NEG

37

0.22uF

L208

ZIF

280mVpp/kHz

-23 dBm

1.6 Vdc

18nH

using 10 pF

5

38

C42

390nH

C239

PEAMP_OUT

C1POS

DEVIATION

C214

-8dBm

10pF

4

PEAMP_5V

DISC

28

0.22uF

2.3Vdc

J301-10

DISC

*

C244

10 RSSI_FLT

RAMPCAP

24

C306

C236

L205

2Vdc(RX)

C237

.022uF

C59

1.6Vdc

7

DM_BYP

PREAMPGND

+2.5V1

27

100pF

5.1pF

GND1

GND2

GND3

GND4

GND5

GND6

PREAMPIN

0.1uF

470

R204

C243

.01uF

3.4Vdc

2.5V

+2.5V2

OUTRSSI

C48

27nH

3.3pF

8.2pF

CR201

CR209

C60

40 AGC

2.5Vdc

2.6Vdc

C61

C41

430pF

R209

0.1uF

0.1uF

0.1uF

C47

0.7Vdc (RX)

Q202

10K

R205

39

30

1

8

15 16 26 41

3

2

9

1.2Vdc

4.3Vdc (TX)

0.1Vdc (RX)

15K

C240

2.5Vdc

2.9Vdc (RX) (NOTE 3)

2.25Vdc (TX)

L210

4.5pF

J301-11

RSSI

4.6Vdc

18.9nH

C307

C209

C208

C46

100pF

.01uF

100pF

0.22uF

C231

L204

R207

R220

10uF

56K

390nH

2K

2.5Vdc

R47

Q4

2.1MHz

2.1/2.4_MHZ

L220

0

2

3

2.0Vdc

R223

R208

27nH

68K

C221

C206

L218

C233

3.3Vdc

2K

J301-13

-18dBm

.01uF

3300pF

390nH

CR202

100pF

C51

R49

1200mVpp

0.1uF

15K

-9dBm

1.4Vdc

16

5

7

10

4.5Vdc

R50

1

DAC

PS

TRB

S1

VC

C225

1.5K

3Vdc (TX)

L224

C292

15

3

*

1pF

C230

0Vdc (RX)

33nH

1pF

RBY

U201

VCC

L212

-36dBm (RX)

J301-7

DAC_SEL

TX_LO

4

6

R206

22nH

C228

R46

(NOTE 5)

C310

2

TX_OUT

SV1

10K

47K

1.4Vdc

RX_OUTVCO BUFFER

C 9

100pF

100pF

C201

C203

DATA

C202

S2

GND1

GND

NC

E2 B2

D

390nH

-12dBm(TX)

C222

C226

C50

1pF

*L201

1.5pF

14

8

FREQ=73.35MHz

L302

5V

1

13

12 11

2.8Vdc

3.9pF

11pF

-44dBm (NOTE 5)

.01uF

J301-6

22nH

2.2Vdc (RX)

NC

L213

L36

FL1

C38

C314

0.1Vdc (TX)

R217

L216

CR203

100nH

R41

L20

10pF

*

C223

150nH

15K

15nH

L211

22

470nH

1

3

C204

R210

4.5pF

IN

OUT

100pF

11.3nH

GND1

J301-8

GND

C205

330

C219

R40

R42

C35

GND

R48

L22

R44

C39

RX_LO

J301-9

GND

C227

*

C220

C36

*

J301-16

GND

L215

R219

3.9pF

100pF

470

470

*

2

4

470nH

680

1.8pF

1.9Vdc (TX)

5.1pF

5.1pF

J301-18

GND

390nH

10

J301-19

GND

AGC

IF

63B81097C03-O

Sheet2 of 2

NUE7265B, NUE7266B, NUE/PMUE7272B, AND NUE7274B UHF (403-470MHz)
TRANSCEIVER BOARDS’ SCHEMATIC DIAGRAM (Sheet 2 of 2)	69