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IM10-OS3AH

406-470 MHz - Synthesizer Schematics and Illustrations

75

A

A

B

B

C

C

D

D

E

E

F

F

G

G

H

H

I

I

J

J

K

K

L

L

M

M

N

N

O

O

P

P

1

1

2

2

3

3

4

4

5

5

6

6

7

7

8

8

9

9

1

1

0

0

'A' INSTALLED

'B' INSTALLED

JU2

DESIG

R29

3k92

36k5

R48

47R5

27R4

R49

10R0

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

S2045-9.6000

INSTALLED

TCXO1

DESIG

C37
C38
C39
C45
C49
JU6

OSR-3H440 

RX 427.4 - 451.4 MHz

LVCO-2309 TEV

1.0 µF
1.0 µF
1.0 µF

470 nF

33 nF

Not Installed

OST-3H4xx

TX 406 - 470 MHz

VCO-190-435 MT

1.5 µF
1.5 µF
1.5 µF

68 nF
15 nF

Installed

MODEL SELECTION TABLE

R32

4k7

6k2

R36

1k5

1k2

C16

INSTALLED

NOT INSTALLED

DES  LC

COMPONENT LOCATION TABLE

C1    B2

C2    B4

C3    B5

C4    B7

C5    C3

C6    C4

C7    C4

C8    C6

C9    C7

C10  C8

C11  D9

C12  E2

C13  E3

C14  E4

C15  E4

C16  F5

C17   I3

C18  G4

C19  G5

C20  G6

C21  G6

C22  G6

C25  G4

C26  H6

C27  G7

C29  J5

C30  J5

C31   I6

C32  J2

DES  LC DES   LC DES  LC

C33   J2

C33   J2

C33   J2

C34   J3

C35    I3

C36   J3

C37   J6

C38   J6

C39   K6

C42   K3

C43   K3

C44   K3

C45   I6

C46   L2

C47   L4

C49   K6

C50   M2

C51   M2

C52   M2

C53   M3

C54   M3

C55   M3

C56   M4

C58   N3

C59   N3

D4       J2

D5       D8

F1        N2
J1        B7

J2        O2

JU1     G5

JU2      I5

JU4     E4

JU5     E6

JU6     G3

JU7     N4

JU8     O4

JU9     O4
L1       B2

L2       B4

L3       B5

L6       G4

L7       J2

L8       K3

L9       M2

L10     M3

L11     N3

L12     N3

LED1 D10

P1     B2

P2     B4

P3     B5
Q1    C3

Q2    C7

Q3    C9

Q4    D8

R1    B7

R2    B10

R3    C3

R4    C3

R5    C6

R6    C6

R7    C6

R8    C7

R9    C7

R10  D9

R11  D8

R12  D9

R13  E2

R14  E2

R15  E4

R16  E5

R17  E6

R18  E7

R19  E6

R20   I5

R21  G3

DES  LC DES      LC

R23  G6

R24  G7

R25  G3

R26   I2

R28   I5

R29   I6

R30  J2

R31  J3

R32  J6

R33  C9

R34  F8

R35  E9

R36  J6

R38  E4

R39  H4

R40  K3

R41  K3

R42  E5

R44  L3

R45  L3

R46  L3

R47  L3

R48  L4

R49  L4

R50  M2

R51  M3

R52  M4

R53  L6

R54  O3

R55  O3

R56       O3

R57       J3

R58       J3
RV1       E5
TCXO1  E4

TP1       D2

TP2       E3

TP3       E4

TP4       L5
U1         B3

U2         B8

U3         B8

U4         B9

U5         B9

U6         D2

U7         D3

U8         D4

U9         H2

U10       H5

U11       J3

U15       M2

U16       M4

U17       H3

TITLE:

DATE:
DWG No.:

BOARD No.:

DWN BY:

APRVD:

DWG REV DATE:

REVISED BY:

REV:

DANIELS

ELECTRONICS LTD

TM

VICTORIA BC.

JUNE 03, 2005

EVA D.

DWG No:       01-S-03-01

R37,R43

R22,R27

U12,U13,U14

C23,C24,C28

JU3,L4, L5

J2, JU9

05

BOARD No:  50028-05

C40,C41

C48, C57

C59

TCXO1,TP4

P3, Q4

F1

L12, LED1

DWN BY:  COLIN GUNN

D1 - D3

OSR-3H440

OST-3H460

OST-3H418

PRODUCT / FREQUENCY BAND IDENTIFICATION

A

B

UNUSED REFERENCE DESIGNATORS

HIGHEST REFERENCE DESIGNATORS

A

B

TITLE:          OS(R/T)-3H 406 - 470 MHz ANALOG BOARD SCHEMATIC DIAGRAM

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

IDÅ10 mA

LOCK DETECT

DATA INPUT

CLK

ENABLE

ACTIVE HIGH

TO ALL +8VA SUPPLY POINTS

EXTERNAL REFERENCE

INPUT (50½)

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

TEST 2
VCC

FIN

1
2
3
4
5
6
7
8
9
10

11

12

13

14

15

16

17

18

19

20

U10

SEL

GND

VCNTRL

OUTPUT

VCC

1

4

2

3

SEL

TCXO1

1.0nF

C31

SEL

R29

OUTPUT

SENSE

5VTAP

FB

INPUT

ERROR

SHDN

GND

1

2

6

7

4

3

5

8

LP2951

U8

+

4.7uF

C15

10R0

R15

+

47uF

C18

5K11

R16

5K11

R17

3

2

1

5K0

RV1

SEL

C16

+

47uF

C6

10nF

C7

10nF

C14

10nF

C19

+5VA

Z2

10nF

C22

10nF

C21

10R0

R23

10R0

R24

+

4.7uF

C27

+

4.7uF

C20

+5VA

+5VA

100pF

C35

10nF

C34

10R0

R30

330pF

C36

+8VA

IN OUT

GND

1

3

4 2

MSA-0611

U11

180R

R40

1.5uH

L8

10nF

C43

+8VA

330pF

C44

18R2

R41

47R5

R44

47R5

R47

33R2

R46

330pF

C46

IN OUT

GND

1

3

4 2

MSA-0611

U15

180R

R50

1.5uH

L9

10nF

C51

+8VA

330pF

C52

27R4

R45

330pF

C47

IN OUT

GND

1

3

4 2

MSA-0611

U16

220R

R51

1.5uH

L10

10nF

C55

+8VA

330pF

C56

18nH

L11

18nH

L12

10pF

C53

15pF

C58

10pF

C59

274R

R55

18R2

R54

274R

R56

J2

10R0

R25

1.0nF

C25

10uH

L2

1.0nF

C2

P2

OUTPUT

SENSE

5VTAP

FB

INPUT

ERROR

SHDN

GND

1

2

6

7

4

3

5

8

LP2951

U7

+

4.7uF

C13

10uH

L3

1.0nF

C3

P3

E

B

C

BC817

Q2

J1

10K0

R7

1K00

R6

1K00

R9

10nF

C4

10nF

C9

49R9

R1

100R

R5

100nF

C8

+5VA

VCC
OUT
GND

1
2
3

OPL550

U1

VCC
OUT
GND

1
2
3

OPL550

U2

VCC
OUT
GND

1
2
3

OPL550

U3

VCC
OUT
GND

1
2
3

OPL550

U4

+5VA

100nF

C10

OUTB

OUTA

ENB

CLK

DIN

11K8

R13

10K0

R14

+

4.7uF

C12

Z1

+8VA

+5VB

100nF

C5

+5VB

TP1

TP2

TP3

E

B

C

BC817

Q1

10K0

R4

10K0

R3

OUTPUT

ADJ

GND

NC

VIN

GND

GND

SHDN

8

7

6

5

4

3

2

1

U6

LT1129-IS8

BYD17J

D4

1R2

R26

E

B

C

BC817

Q4

10K0

R11

10K0

R18

+5VA

ENB

1

2

U5

OP140A

10K0

R12

E

B

C

Q3

BC807

10K0

R10

330R

R2

SEL

C45

SEL

R36

SEL

C37

10R0

R28

+

47uF

C29

10nF

C30

OUTB

L1

10uH

C1

1.0nF

P1

C17

1.0nF

C26

1.0nF

D1

D1

D2

D2

S1

G1

S2

G2

1

2

3

4

5

6

7

8

U9

SI9945DY

R39

0R0

10K0

R8

R34

10K0

R35

10K0

+5VA

+5VA

C49

SEL

+ C11

1.0uF

D5

BAS16

R32

SEL

R53

10K0

TP4

SEL

C38

SEL

C39

DIN

1K2

R33

Band Pass Filter

     (Optional)

1

2

F1

GND

MOD I/P

GND

GND

GND MOD GND GND

GND

RF OUT

GND

GND

GND

VCC

GND

GND

VCO

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

U17

R58

274R

R57

18R2

R31

274R

SEL

R49

SEL

R48

SEL

R52

C32

100uF

100uF

C33

22uF

C42

22uF

C50

22uF

C54

10R0

R20

+8VA

+5VA

1

2

JU9

1

2

JU8

1

2

JU7

10K0

R38

1

2

JU4

2

1

3

JU1

2

1

3

JU2

CLK

330nH

L7

330nH

L6

JU6

LED1

TLMH3100GS08

R21
0R0

1

2

JU5

R19

274K

R42

221K

OS(R/T)-3H 406-470MHZ ANALOG BOARD SCHEMATIC DIAGRAM

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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