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IM10-OS3AH

128-174 MHz - Schematics and Illustrations

45

DATE: 24 FEB 96

TITLE: OS-3H150 VHF ENHANCED SYNTHESIZER ANALOG BOARD

BOARD NO: 50025-04
REV DATE: 09 DEC 2005

DWG No: 04-T-03-02

1

11

21

2

12

22

3

13

23

4

14

24

5

15

25

6

16

26

7

17

27

8

18

28

9

19

29

10

20

30

A

DANIELS

ELECTRONICS LTD

TM

A

C1

1nF

R14

10k0

R13

11k8

C6

47µF

C2

1nF

C7

10nF

C12

U6

LT1129-IS8

4.7µF

Q1

BC817

R3

10k0

C3

1nF

R4

10k0

R34

10k0

10k0

R35

10k0

C19

10nF

R23

10R0

U7

LP2951

U8

LP2951

U10

MC145193

C21

10nF

C22

10nF

C20

4.7µF

C29

47µF

C30

10nF

R29

3k92

U9

SI9945DY

R15

10R0

10R0

R24

10R0

4.7µF

C13

4.7µF

C15

4.7µF

C27

4.7µF

R12

10k0

1µF

C22

10nF

C26

1nF

R10

10k0

10k0

R18

C11

Q3

BC807

100nF

C5

Q4

BC817

10k0

R11

47µF

C18

100nF

C10

274K

R19

D5

BAS16

JU1

N/I

C16

5k11

R17

5k11

R16

100nF

C8

100R

R5

5k0

RV1

1nF

C31

R9

1k00

R6

1k00

R7

10k0

C14

10nF

Q2

BC817

R8

10k0

10nF

C9

1nF

C25

49R9

R1

20k0

R21

10k0

R53

10R0

R25

10nF

C4

33nF

C17

0R0

R39

R22

D1

D2

MMBV609L

SEL

10R0

R20

C23

11k8

R27

C28

6.8µF

MMBD701L

C40

D3

C34

10nF

C35

C36

330pF

R31

49R9

R30

10R0

330pF

C47

330pF

R41

18R2

R47

SEL

R48

SEL

R49

SEL

C44

C55

10nF

R52

SEL

R42

SEL

R28

10R0

U11

MSA-0611

U16

MSA-0611

MSA-0611

MSA-0611

U15

47nH

L12

47nH

L11

27pF

C59

27pF

274R

R55

274R

R56

18R2

R54

47pF

C58

27pF

C52

330pF

C53

C46

330pF

C51

10nF

27R4

R45

10nF

C43

R44

47R5

R46

33R2

D4

BYD17J

N/I

C41

10R0

R37

N/I

R43

JU2

B

A

C33

100µF

C32

100µF

C50

22µF

C54

22µF

C42

22µF

N/I

R60

N/I

R57

N/I

R38

JU3

JU5

JU4

A

B

JU6

B

A

N/I

U14

JU10

JU9

JU12

JU11

LED1

JU7

10k0

R58

A

B

221K

R59

JU8

SEL

SEL

SEL

SEL

A

SEL

A

IV

T

21

0B

E

10

.0

00

M

H

Z

21

01

S

/N

49

R

A

K

O

N

U2

OPL550

U3

OPL550

U4

OPL550

U1

OPL550

U5

OP140A

A A

C24 Fine Frequency Adjust

TP2

TP3

TP1

TP4

Desolder three board

interconnect points to

separate analog and

digital boards..

Remove seven M2.0

machine screws to

remove analog board.

P2

P1

P3

LOCK DETECT

LED

J1

J2

TX

RX

141

162

A

B

C

D

E

6

5

4

3

2

1

R22

0R0

Receiver

128 - 174 MHz

OSR - 3Hxxx

Transmitter

128 - 174 MHz

OST - 3Hxxx

SELECT COMPONENTS

130R

DES LC

COMPONENT LOCATION TABLE

C1 E6

C2 E5

C3 C6

C4 C1

C5 D3

C6 E6

C7 E5

C8 E1

C9 C1

C10 D1

C11 D3

C12 E6

C13 E4

C14 D1

C15 E4

C16 E1

C17 B1

C18 D2

C19 D5

C20 D5

C21 C4

C22 C4

C23 A1

C24 B2

C25 B2

C26 C4

C27 E4

C28 A2

C29 C5

C30 C5

DES LC DES LC DES LC

C31 C4

C32 A3

C33 A4

C34 A2

C35 A3

C36 A3

C37 BS

C38 BS

C39 BS

C40 A1

C41 B5

C42 A5

C43 B5

C44 A3

C45 BS

C46 A5

C47 B3

C49 BS

C50 A5

C51 A5

C52 A5

C53 A6

C54 B4

C55 B4

C58 A6

C59 B6

D1

B1

D2

B1

D3

A2

D4

A3

D5

D2

J1

B1

J2

A6

JU1 D3

JU2 B5

JU3 A1

JU4 B1

JU5 A1

JU6 B2

JU7 E1

JU8 D2

JU9 B6

JU10 C6

JU11 B6

JU12 B6

L1

B2

L2

B4

L3

BS

L4

BS

L5

BS

L6

BS

L7

BS

L8

BS

L9

BS

L10 BS

L11 A6

L12 B6

LED1 C5

P1

D6

P2

E5

P3

C6

Q1

D6

Q2

D1

Q3

C4

Q4

D3

Q5

BS

R1

C1

R2

BS

R3

D6

R4

D5

R5

D1

R6

D1

R7

D1

R8

C1

R9

D1

R10 D3

R11 D2

R12 C4

R13 E6

DES LC DES LC DES LC

R14 E6

R15 E4

R16 E1

R17 E1

R18 D3

R19 D2

R20 A1

R21 B1

R22 B1

R23 D5

R24 E4

R25 B1

R26 BS

R27 A2

R28 B4

R29 C4

R30 A4

R31 A3

R32 BS

R33 BS

R34 D5

R35 C5

R36 BS

R37 B5

R38 A1

R39 B2

R40 BS

R41 A4

R42 C3

R43 B5

R44

B4

R45

A5

R46

R4

R47

B4

R48

B3

R49

B3

R50

BS

R51

BS

R52

B3

R53

B2

R54

A6

R55

A6

R56

A6

R57

B5

R58

E1

R59

D1

R60

C6

RV1

E1

TCXO1 E2

TP1

C6

TP2

E4

TP3

E4

TP4

C2

U1

C3

U2

C1

U3

C2

U4

C2

U5

C3

U6

D6

U7

E5

U8

E5

U9

E4

U10 C4

U11 A3

U14 B5

U15 A5

U16 B3

BS - Bottom Side Component Layout

JU8

Installed

Saronix

TCVCXO

S2045-9.6 MHz

Rakon TCVCXO

IVT210BE

SELECT COMPONENTS

Not installed

C23

C40

12 pF

6.8 pF

6.8 pF

10 pF

VHF HIGH BAND

150 - 174 MHz

OSx - 3H162

C35

3.3 pF

8.2 pF

VHF LOW BAND

128 - 153 MHz

OSx - 3H141

SELECT COMPONENTS

JU3

INSTALLED

D1

MMBV609L

NOT INSTALLED

R42

130R

383R

NOT INSTALLED

R47

27R4

47R5

R48

27R4

47R5

R49

39R2

10R0

R52

150R

NOT INSTALLED

OS(R/T)-3H 128-174MHZ ANALOG BOARD COMPONENT LAYOUT (TOP)

50025-04-01-T-01-01

Содержание OSR-3H061

Страница 1: ...erved No part of this publication may be reproduced stored in a retrieval system or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without the prior...

Страница 2: ...igni cance of a revision Each element of the revision number signi es the scope of change as described in the diagram below DOCUMENT REVISION DEFINITION Major Revisions The result of a major change to...

Страница 3: ...eration 7 Synthesizer Alignment 11 Schematics and Illustrations 15 Parts List 23 128 174MHz Enhanced FM Synthesizer Enhanced FM Synthesizer Enhanced FM Synthesizer 31 General Information 33 Theory of...

Страница 4: ...Enhanced FM Synthesizer Instruction Manual IM10 OS3AH iv This Page Intentionally Left Blank...

Страница 5: ...38MHz OSR 3H061 50 4 71 4MHz See Page 3 Enhanced FM Synthesizer OS R T 3H 29 71 4MHz VT 3H045 38 50MHz OST 3H045 38 50MHz VR 3H045 38 50MHz VHF 132 174MHz VT 3 140 132 150MHz OST 3H141 132 150MHz See...

Страница 6: ...Enhanced FM Synthesizer Instruction Manual IM10 OS3AH 2 This Page Intentionally Left Blank...

Страница 7: ...MHz OST 3H045 38 50MHz VR 3H045 38 50MHz VHF 132 174MHz VT 3 140 132 150MHz OST 3H141 132 150MHz See Page 31 Enhanced FM Synthesizer OS R T 3H 128 6 174MHz VR 3H140 132 150MHz OSR 3H162 153 4 171 4MHz...

Страница 8: ...Enhanced FM Synthesizer Instruction Manual IM10 OS3AH 4 This Page Intentionally Left Blank...

Страница 9: ...minate residual electrical noise between digital and analog circuitry Further shielding of the synthesizer s RF lter circuitry is provided by an internal shielded enclosure GENERAL INFORMATION OS R T...

Страница 10: ...ackets 29MHz 38MHz 0 5MHz OST 3H035 38MHz 50MHz 1 0MHz OST 3H045 50 4MHz 71 4MHz 1 0MHz OSR 3H061 Output Power 5dBm 2dBm into 50 Harmonics 30 dBc Spurious 90 dBc Hum and Noise 55 dB Modulation Sensiti...

Страница 11: ...nals The analog board s main power is turned on and off by driving the optical receiver U1 U1 is driven by U4 on the digital board which is controlled by the microcontroller The main power regulators...

Страница 12: ...y eliminates output harmonics SMB connector J2 provides interconnection to the companion transmitter or receiver with an output level of 5dBm 2dBm The 9 6 or 10 0MHz reference source is divided down t...

Страница 13: ...s straightforward If all four of the CHANNEL SELECT lines CHAN SEL3 CHAN SEL0 are pulled low to GND the synthesizer will scan the four BCD switches FSW1 FSW4 located on the receiver or transmitter mai...

Страница 14: ...d The channel number determines where the channel code number is retrieved from channel 1 is stored by the BCD switches and channels 2 through 16 are stored in the synthesizer s memory To calculate th...

Страница 15: ...n ordinary soldering iron but should only be performed at surface mount rework and repair stations equipped with Electrostatic Discharge ESD protection When removing Surface Mount Solder Jumpers it is...

Страница 16: ...ternal reference option is enabled This step is described in Reference Frequency Alignment in this section A change in operating frequency from the initial factory setting that exceeds the synthesizer...

Страница 17: ...er board connection wires Attempt to maintain the position of the three inter board wires in order to simplify re assembly The digital board may now be extracted by removing four M2 machine screws Fol...

Страница 18: ...CXO is adjusted Note this adjustment is only valid when the internal reference is selected JU1 in the B position on the analog board To adjust the internal TCXO referency frequency adjust the synthesi...

Страница 19: ...n in which the last two digits of the circuit board number represent the circuit board version All PCB s manufactured by Daniels Electronics Ltd are identi ed by one of the following numbering convent...

Страница 20: ...PLL FILTER FINE FREQUENCY ADJUST DIRECT LOW FREQUENCY MODULATION INPUT OPTIONAL HIGH STABILITY EXTERNAL REFERENCE A B ENHANCED BUFFER AMPLIFIER INTERNAL EXTERNAL REFERENCE INTERNAL FREQUENCY REFERENC...

Страница 21: ...C10 A2 T C11 C2 T C12 E1 T C13 D1 T C14 A2 T C15 D1 T C16 A1 T C17 A3 T C18 B2 T C19 E2 T C20 D2 T C21 D2 T C22 D2 T C23 A4 T C24 B4 B C25 A4 T C26 C2 T C27 C1 T C28 B5 T C29 D3 T C30 D3 T C31 D3 T C...

Страница 22: ...T C35 C5 T C36 C4 T C37 E4 B C38 E4 B C39 E4 B C40 B4 T C41 C5 T C42 E4 T C43 D4 T C44 C4 T C45 D4 B C46 E5 T C47 C4 T C48 A3 B C49 D3 B C50 D5 T C51 D5 T C52 E5 T C53 E5 T C54 D3 T C55 C4 T C56 C3 T...

Страница 23: ...E U12 U14 J2 JU10 TCXO1 TP4 Q5 P3 R56 RV1 L13 LED1 C60 03 50038 03 OSx 3H061 OSx 3H045 OSx 3H035 PRODUCT FREQUENCY BAND IDENTIFICATION A B COLIN GUNN 24 FEB 97 C64 TP4 LOOP CONTROL SET FOR 2 3 VDC A B...

Страница 24: ...4 B U2 B4 B U3 A1 B U4 A2 B U5 C4 B U6 C3 B U7 C3 B U8 C3 B U9 C2 B X1 C2 B A OS R T 3H 29 71 4MHZ DIGITAL BOARD COMPONENT LAYOUT BOTTOM DATE 25 MAR 96 TITLE OS R T 3 A H DIGITAL BOARD COMPONENT LAYOU...

Страница 25: ...10 27K4 R27 27K4 R34 27K4 R35 27K4 R36 BC817 Q11 27K4 R22 27K4 R37 27K4 R13 100nF C9 BC817 Q3 27K4 R2 BC817 Q1 BC817 Q2 1 2 3 BC817 Q4 BC817 Q5 BC817 Q6 ENB CLK DIN LOCK DIN PWCTL OUTPUT SENSE 5VTAP F...

Страница 26: ...Enhanced FM Synthesizer Instruction Manual IM10 OS3AH 22 This Page Intentionally Left Blank...

Страница 27: ...1008 4A103K5R C10 CAP SM 100nF CER 0805 X7R 50 1008 5A104K5R C11 CAP SM 1 0uF TANT 20 16V 1055 5A105M16 C12 CAP SM 4 7uF TANT 10 16V 1055 5B475K16 C13 CAP SM 4 7uF TANT 10 16V 1055 5B475K16 C14 CAP SM...

Страница 28: ...MK5 10 50V 1016 6D105K50 C39 CAP 1 0uF FILM MMK5 10 50V 1016 6D105K50 C40 CAP SM 33pF CER 0805 C0G 1008 1A330J1G C41 CAP SM 1nF CER 0805 X7R 50V 1008 3A102K5R C42 CAP SM 4 7uF TANT 10 16V 1055 5B475K1...

Страница 29: ...51 4A00100K L5 INDUCTOR 9 5T 138nH MOLD WHT 1253 A0951389 L5 INDUCTOR 11 5T 197nH MOLD BRN 1253 A1151971 L5 INDUCTOR 13 5T 260nH MOLD ORG 1253 A1352603 L6 CHOKE RF MOLDED 10uH 10 25 1251 4A00100K L7 C...

Страница 30: ...0805 1 100ppm 1150 4A1002FP R19 RES SM 10K0 0805 1 100ppm 1150 4A1002FP R20 RES SM 10R0 0805 1 100ppm 1150 1A10R0FP R21 RES SM 20K0 0805 1 100ppm 1150 4A2002FP R22 RES SM 1K00 0805 1 100ppm 1150 3A10...

Страница 31: ...SM 18R2 0805 1 100ppm 1150 1A18R2FP R55 RES SM 274R 0805 1 100ppm 1150 2A2740FP R56 RES SM 274R 0805 1 100ppm 1150 2A2740FP RV1 POT SM 4mm SQ 5K SINGLE TURN 1174 AS2502J1 TCXO1 TCVCXO SMT 10MHz 1ppm 0...

Страница 32: ...NG SOT23 2100 BAS16000 D2 DIODE BAS16 SWITCHING SOT23 2100 BAS16000 D3 DIODE BAS16 SWITCHING SOT23 2100 BAS16000 D4 DIODE BAS16 SWITCHING SOT23 2100 BAS16000 L1 INDUCTOR SM 10 0uH 10 1812 1255 4G10000...

Страница 33: ...RES SM 215R 0805 1 100ppm 1150 2A2150FP R31 RES SM 215R 0805 1 100ppm 1150 2A2150FP R32 RES SM 215R 0805 1 100ppm 1150 2A2150FP R33 RES SM 332R 0805 1 100ppm 1150 2A3320FP R34 RES SM 27K4 0805 1 100pp...

Страница 34: ...NGE 5120 J2SC01BG 2 FERRITE BEAD 43MIX 3x3 5mm OD 1210 43030350 3 LID CASE OS 3H SYNTH MODL AL 3702 66100921 1 PIN 2 x 10mm GROOVED W PILOT 5876 D1470210 4 SCREW M2 X 4 PAN PHILLIPS A2 5812 2M0PP04S 1...

Страница 35: ...MHz VT 3H045 38 50MHz OST 3H045 38 50MHz VR 3H045 38 50MHz VHF 132 174MHz VT 3 140 132 150MHz OST 3H141 132 150MHz Enhanced FM Synthesizer OS R T 3H 128 6 174MHz VR 3H140 132 150MHz OSR 3H162 153 4 17...

Страница 36: ...Enhanced FM Synthesizer Instruction Manual IM10 OS3AH 32 This Page Intentionally Left Blank...

Страница 37: ...minate residual electrical noise between digital and analog circuitry Further shielding of the synthesizer s RF lter circuitry is provided by an internal shielded enclosure OS R T 3H ENHANCED SYNTHESI...

Страница 38: ...brackets 128 6MHz 152 6MHz 2 0MHz OST 3H141 OSR 3H141 150MHz 174MHz 2 0MHz OST 3H162 OSR 3H162 Output Power 5dBm 2dBm into 50 Harmonics 30 dBc Spurious 90 dBc Hum and Noise 55 dB Modulation Sensitivi...

Страница 39: ...d s main power is turned on and off by driving the optical receiver U1 U1 is driven by U4 on the digital board which is controlled by the microcontroller The main power regulators are provided by U6 a...

Страница 40: ...iver with an output level of 5dBm 2dBm The 9 6 or 10 0MHz reference source is divided down to establish a channel selection step size of 5 0 6 25 2 5kHz A third order passive loop lter comprised of C3...

Страница 41: ...cations but may be programmed in the eld using Daniels Synthesizer Channel Programmer CP SC 3 In transmitters the synthesizer operating frequency is the transmitter operating frequency For receivers...

Страница 42: ...e channel code number is retrieved from channel 1 is stored by the BCD switches and channels 2 through 16 are stored in the synthesizer s memory To calculate the operating frequency for the OS R T 3H...

Страница 43: ...n ordinary soldering iron but should only be performed at surface mount rework and repair stations equipped with Electrostatic Discharge ESD protection When removing Surface Mount Solder Jumpers it is...

Страница 44: ...ve regulator output U6 positive regulator output TP2 5 0 0 1VDC U7 positive regulator output U7 positive regulator output TP3 5 0 0 1VDC U8 positive regulator output always on always on TP4 PLL error...

Страница 45: ...the three inter board wires in order to simplify re assembly The digital board may now be extracted by removing four M2 machine screws Follow a reverse procedure to re assemble Frequency Adjustment a...

Страница 46: ...le must be removed to change jumper JU2 on the digital board Note Care must be exercised when reinstalling the synthesizer module on the Transmitter Main board or the IF Audio board Pay careful attent...

Страница 47: ...n in which the last two digits of the circuit board number represent the circuit board version All PCB s manufactured by Daniels Electronics Ltd are identi ed by one of the following numbering convent...

Страница 48: ...TER FINE FREQUENCY ADJUST DIRECT LOW FREQUENCY MODULATION INPUT OPTIONAL HIGH STABILITY EXTERNAL REFERENCE A B ENHANCED BUFFER AMPLIFIER INTERNAL EXTERNAL REFERENCE INTERNAL FREQUENCY REFERENCE A DATE...

Страница 49: ...al boards Remove seven M2 0 machine screws to remove analog board P2 P1 P3 LOCK DETECT LED J1 J2 TX RX 141 162 A B C D E 6 5 4 3 2 1 R22 0R0 Receiver 128 174 MHz OSR 3Hxxx Transmitter 128 174 MHz OST...

Страница 50: ...1 5 H L10 1 5 H L2 10 H R51 220R R50 180R R40 180R C45 SEL L7 1 5 H C24 1 14pF C37 1 5 F C39 1 5 F L1 10 H R2 330R C38 SEL C49 SEL R36 R32 R33 SEL 1K2 SEL L9 1 5 H Q5 J211 L5 L3 10uH VHF LOW BAND 128...

Страница 51: ...8VA SUPPLY POINTS EXTERNAL REFERENCE INPUT 50 FREQ CONTROL TCXO MOD INPUT 9 5 VDC SUPPLY TO ALL 5VA SUPPLY POINTS NC NC REFOUT LD R V VPD PDOUT GND RX TEST 1 FIN REFIN DIN CLK ENB OUTPUTA OUTPUTB VDD...

Страница 52: ...4 B U3 A1 B U4 A2 B U5 C4 B U6 C3 B U7 C3 B U8 C3 B U9 C2 B X1 C2 B A OS R T 3H 128 174MHZ DIGITAL BOARD COMPONENT LAYOUT BOTTOM DATE 25 MAR 96 TITLE OS R T 3 A H DIGITAL BOARD COMPONENT LAYOUT TOP BO...

Страница 53: ...R27 27K4 R34 27K4 R35 27K4 R36 BC817 Q11 27K4 R22 27K4 R37 27K4 R13 100nF C9 BC817 Q3 27K4 R2 BC817 Q1 BC817 Q2 1 2 3 BC817 Q4 BC817 Q5 BC817 Q6 ENB CLK DIN LOCK DIN PWCTL OUTPUT SENSE 5VTAP FB INPUT...

Страница 54: ...Enhanced FM Synthesizer Instruction Manual IM10 OS3AH 50 This Page Intentionally Left Blank...

Страница 55: ...0V 1008 4A103K5R C10 CAP SM 100nF CER 0805 X7R 50 1008 5A104K5R C11 CAP SM 1 0uF TANT 20 16V 1055 5A105M16 C12 CAP SM 4 7uF TANT 10 16V 1055 5B475K16 C13 CAP SM 4 7uF TANT 10 16V 1055 5B475K16 C14 CAP...

Страница 56: ...SM 12pF CER 0805 C0G 1008 1A120J1G C42 CAP SM 22uF TANT 20 20V 1055 6D226M20 C43 CAP SM 10nF CER 0805 X7R 50V 1008 4A103K5R C44 CAP SM 330pF CER 0805 C0G 1008 2A331J1G C45 CAP 100nF FILM MMK5 10 63V...

Страница 57: ...BC817025 Q2 TRANSISTOR BC817 25 NPN SOT23 2120 BC817025 Q3 TRANSISTOR BC807 25 PNP SOT23 2120 BC807025 Q4 TRANSISTOR BC817 25 NPN SOT23 2120 BC817025 Q5 JFET J211 RF N CHAN TO 92 2041 J2110000 R1 RES...

Страница 58: ...S SM 10K0 0805 1 100ppm 1150 4A1002FP R35 RES SM 1K00 0805 1 100ppm 1150 3A1001FP R36 RES 2K2 METAL FILM 5 0 5W 1101 3A0222JP R36 RES 3K3 METAL FILM 5 0 5W 1101 3A0332JP R37 RES SM 10R0 0805 1 100ppm...

Страница 59: ...SOR TTL O P PLST 2014 1L18230T U2 DIODE I R SENSOR TTL O P PLST 2014 1L18230T U3 DIODE I R SENSOR TTL O P PLST 2014 1L18230T U4 DIODE I R SENSOR TTL O P PLST 2014 1L18230T U5 LED I R GaAs 81 x 23 PLAS...

Страница 60: ...ING SOT23 2100 BAS16000 D2 DIODE BAS16 SWITCHING SOT23 2100 BAS16000 D3 DIODE BAS16 SWITCHING SOT23 2100 BAS16000 D4 DIODE BAS16 SWITCHING SOT23 2100 BAS16000 L1 INDUCTOR SM 10 0uH 10 1812 1255 4G1000...

Страница 61: ...RES SM 215R 0805 1 100ppm 1150 2A2150FP R31 RES SM 215R 0805 1 100ppm 1150 2A2150FP R32 RES SM 215R 0805 1 100ppm 1150 2A2150FP R33 RES SM 332R 0805 1 100ppm 1150 2A3320FP R34 RES SM 27K4 0805 1 100p...

Страница 62: ...ANGE 5120 J2SC01BG 2 FERRITE BEAD 43MIX 3x3 5mm OD 1210 43030350 3 LID CASE OS 3H SYNTH MODL AL 3702 66100921 1 PIN 2 x 10mm GROOVED W PILOT 5876 D1470210 4 SCREW M2 X 4 PAN PHILLIPS A2 5812 2M0PP04S...

Страница 63: ...29 71 4MHz VT 3H045 38 50MHz OST 3H045 38 50MHz VR 3H045 38 50MHz VHF 132 174MHz VT 3 140 132 150MHz OST 3H141 132 150MHz See Page 31 Enhanced FM Synthesizer OS R T 3H 128 6 174MHz VR 3H140 132 150MHz...

Страница 64: ...Enhanced FM Synthesizer Instruction Manual IM10 OS3AH 60 This Page Intentionally Left Blank...

Страница 65: ...minate residual electrical noise between digital and analog circuitry Further shielding of the synthesizer s RF lter circuitry is provided by an internal shielded enclosure OS R T 3H ENHANCED SYNTHESI...

Страница 66: ...406MHz 430MHz Full Band OST 3H418 427 4MHz 451 4MHz Full Band OST 3H440 450MHz 470MHz Full Band OST 3H460 Output Power 5dBm 2dBm into 50 Harmonics 30 dBc Spurious 90 dBc Hum and Noise 55 dB Modulation...

Страница 67: ...d s main power is turned on and off by driving the optical receiver U1 U1 is driven by U4 on the digital board which is controlled by the microcontroller The main power regulators are provided by U6 a...

Страница 68: ...of the desired channel frequency In a transmitter the loss of lock will prevent a PTT from keying the power ampli er module thus preventing the transmission of a spurious output signal Adjusting capa...

Страница 69: ...raightforward If all four of the CHANNEL SELECT lines CHAN SEL3 CHAN SEL0 are pulled low to GND the synthesizer will scan the four BCD switches FSW1 FSW4 located on the receiver or transmitter main bo...

Страница 70: ...4 451 4MHz 427 4MHz 12 5kHz 12 5kHz Channelization The operating frequency for Synthesizers having 12 5kHz channelization is determined as follows BCD switch settings from 0000 to 4999 Multiply the s...

Страница 71: ...n ordinary soldering iron but should only be performed at surface mount rework and repair stations equipped with Electrostatic Discharge ESD protection When removing Surface Mount Solder Jumpers it is...

Страница 72: ...requency the internal reference option is enabled This step is described in Reference Frequency Alignment in this section A change in operating frequency from the initial factory setting that exceeds...

Страница 73: ...digital board may now be extracted by removing four M2 machine screws Follow a reverse procedure to re assemble Frequency Adjustment and Channel Selection Connect a radio communications test set thro...

Страница 74: ...should be made at room temperature 25 C after a ten minute stabilization period JUMPER CONFIGURATION The synthesizer s surface mount solder jumpers are clearly marked on both of it s digital and anal...

Страница 75: ...n in which the last two digits of the circuit board number represent the circuit board version All PCB s manufactured by Daniels Electronics Ltd are identi ed by one of the following numbering convent...

Страница 76: ...LL FILTER FINE FREQUENCY ADJUST DIRECT LOW FREQUENCY MODULATION INPUT OPTIONAL HIGH STABILITY EXTERNAL REFERENCE A B ENHANCED BUFFER AMPLIFIER INTERNAL EXTERNAL REFERENCE INTERNAL FREQUENCY REFERENCE...

Страница 77: ...33R2 R52 Not Installed 49R9 MC145202F or MC145193F MC145190 U10 COMPONENT SELECTION TABLE TX 406 430 MHz band only JU4 SELECTION TABLE DESIG JU4 NOT INSTALLED RAKON IVT210BE 10 0 MHz SARONIX S2045 9 6...

Страница 78: ...8 B3 T R49 B4 T R50 E5 B R51 D3 B R52 B3 T R53 B2 T R54 A6 T R55 B6 T R56 A6 T C42 B5 T C43 B5 T C44 A3 T C45 D3 B C46 B5 T C47 B3 T C49 D5 B C50 A5 T C51 A4 T C52 A5 T C53 A6 T C54 B4 T C55 B4 T C56...

Страница 79: ...GRAM R58 RV1 U17 DATE 23 MAY 96 D5 UNUSED REFERENCE DESIGNATORS HIGHEST REFERENCE DESIGNATORS RF OUTPUT 3 5 dB Pad LOCK DETECT OUTPUT ACTIVATED WHEN UNLOCKED NC NC NC MODULATION INPUT POWER CNTRL ID 1...

Страница 80: ...B U2 B4 B U3 A1 B U4 A2 B U5 C4 B U6 C3 B U7 C3 B U8 C3 B U9 C2 B X1 C2 B A OS R T 3H 406 470MHZ DIGITAL BOARD COMPONENT LAYOUT BOTTOM DATE 25 MAR 96 TITLE OS R T 3 A H DIGITAL BOARD COMPONENT LAYOUT...

Страница 81: ...27K4 R27 27K4 R34 27K4 R35 27K4 R36 BC817 Q11 27K4 R22 27K4 R37 27K4 R13 100nF C9 BC817 Q3 27K4 R2 BC817 Q1 BC817 Q2 1 2 3 BC817 Q4 BC817 Q5 BC817 Q6 ENB CLK DIN LOCK DIN PWCTL OUTPUT SENSE 5VTAP FB...

Страница 82: ...Enhanced FM Synthesizer Instruction Manual IM10 OS3AH 78 This Page Intentionally Left Blank...

Страница 83: ...008 4A103K5R C10 CAP SM 100nF CER 0805 X7R 50 1008 5A104K5R C11 CAP SM 1 0uF TANT 20 16V 1055 5A105M16 C12 CAP SM 4 7uF TANT 10 16V 1055 5B475K16 C13 CAP SM 4 7uF TANT 10 16V 1055 5B475K16 C14 CAP SM...

Страница 84: ...470nF FILM MMK5 10 63V 1016 5D474K63 C45 CAP 68nF FILM MMK5 10 63V 1016 4A683K63 C46 CAP SM 330pF CER 0805 C0G 1008 2A331J1G C47 CAP SM 330pF CER 0805 C0G 1008 2A331J1G C49 CAP 15nF FILM MMK5 10 63V 1...

Страница 85: ...0FP R6 RES SM 1K00 0805 1 100ppm 1150 3A1001FP R7 RES SM 10K0 0805 1 100ppm 1150 4A1002FP R8 RES SM 10K0 0805 1 100ppm 1150 4A1002FP R9 RES SM 1K00 0805 1 100ppm 1150 3A1001FP R10 RES SM 10K0 0805 1 1...

Страница 86: ...ppm 1150 1A33R2FP R47 RES SM 47R5 0805 1 100ppm 1150 1A47R5FP R48 RES SM 27R4 0805 1 100ppm 1150 1A27R4FP R49 RES SM 33R2 0805 1 100ppm 1150 1A33R2FP R50 RES 180R METAL FILM 5 0 5W 1101 2A0181JP R51 R...

Страница 87: ...MIC AMP SOT 143 2354 MSA06110 U15 IC msA 0611 MMIC AMP SOT 143 2354 MSA06110 U16 IC msA 0611 MMIC AMP SOT 143 2354 MSA06110 R57 RES SM 18R2 0805 1 100ppm 1150 1A18R2FP R58 RES SM 274R 0805 1 100ppm 11...

Страница 88: ...ING SOT23 2100 BAS16000 D2 DIODE BAS16 SWITCHING SOT23 2100 BAS16000 D3 DIODE BAS16 SWITCHING SOT23 2100 BAS16000 D4 DIODE BAS16 SWITCHING SOT23 2100 BAS16000 L1 INDUCTOR SM 10 0uH 10 1812 1255 4G1000...

Страница 89: ...RES SM 215R 0805 1 100ppm 1150 2A2150FP R31 RES SM 215R 0805 1 100ppm 1150 2A2150FP R32 RES SM 215R 0805 1 100ppm 1150 2A2150FP R33 RES SM 332R 0805 1 100ppm 1150 2A3320FP R34 RES SM 27K4 0805 1 100p...

Страница 90: ...ANGE 5120 J2SC01BG 2 FERRITE BEAD 43MIX 3x3 5mm OD 1210 43030350 3 LID CASE OS 3H SYNTH MODL AL 3702 66100921 1 PIN 2 x 10mm GROOVED W PILOT 5876 D1470210 4 SCREW M2 X 4 PAN PHILLIPS A2 5812 2M0PP04S...

Страница 91: ...ow version 3 Added the new component layouts schematic diagram and parts lists for the new AM wideband synthesizer Wideband referring to only having to be tune once and working over the whole AM band...

Страница 92: ...revent excessive frequency error with modulation R19 was 1150 4A2212FP 22K1 SM 805 now 1150 5A2213FP 221K SM 805 4B Aug 02 713 New design of OS R T 3H 406 470MHz Analog Board PCB was 50028 02 now 5002...

Страница 93: ...FP RES SM 75K0 0805 1 100ppm now 1150 5A2743FP RES SM 274K 0805 1 100ppm R42 was 1150 4A1002FP RES SM 10K0 0805 1 100ppm now 1150 5A2213FP RES SM 221K 0805 1 100ppm All associated drawings schematics...

Страница 94: ...Enhanced FM Synthesizer Instruction Manual IM10 OS3AH 90 This Page Intentionally Left Blank...

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