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IM10-OS3AH

Schematics and Illustrations - 29-71.4 MHz FM Synthesizer

19

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

R29

U10

See U10 Sel Table

MC145191 or

MC145192

See U10 Sel Table

MC145191,

MC145192 or

MC145193

See U10 Sel Table

MC145191,

MC145192 or

MC145193

DESIGNATION

OST-3H035

TX 29 - 40 MHz

C23

TRANSMITTER

OST-3H045

TX 39 - 50 MHz

OSR-3H061

TX 50.4 - 71.4 MHz

RECEIVER

L5

C61

C48
C53

C58
C59

L11

C34

C57

L13

150 pF

260 nH * 

150 pF

68nF *
56 pF

33 pF
33 pF

56 pF

15pF

27 pF

138 nH * 

56 pF

Not Installed

68 pF
100 pF

120 nH

33 pF

120nH

Not Installed

68 pF

68 pF
47 pF
68nF *
56 pF
15pF
33 pF
33 pF
100 pF

100 nH
100 nH

197 nH * 

R22

475R

475R

Not Installed

* Thru Hole Component

100 nH
100 nH

R29

U10

See U10 Sel Table

MC145191 or

MC145192

See U10 Sel Table

MC145191,

MC145192 or

MC145193

See U10 Sel Table

MC145191,

MC145192 or

MC145193

DESIGNATION

OST-3H035

TX 29 - 40 MHz

C23

TRANSMITTER

OST-3H045

TX 39 - 50 MHz

OSR-3H061

TX 50.4 - 71.4 MHz

RECEIVER

L5

C61

C48
C53

C58
C59

L11

C34

C57

L13

150 pF

260 nH * 

150 pF

68nF *
56 pF

33 pF
33 pF

56 pF

15pF

138 nH * 

56 pF

Not Installed

68 pF
100 pF

120 nH

33 pF

120nH

Not Installed

68 pF

47 pF
68nF *
56 pF
15pF
33 pF
33 pF
100 pF

100 nH
100 nH

197 nH * 

R22

475R

475R

Not Installed

* Thru Hole Component

100 nH
100 nH

DESIG.

R29

3k92

18k2

MC145193F

MC145191F or 

MC145192F

U10 SELECT TABLE

DESIG.

JU7

Installed

Not Installed

Saronix TCVCXO

S2045-9.6 MHz

Rakon TCVCXO

IVT210BE

TCXO1 SELECT TABLE

DES  LC

COMPONENT LOCATION TABLE

C1    B2

C2    B4

C3    B6

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  F3

C18  G4

C19  G5

C20  G6

C21  G6

C22  G6

C23  G2

C24  H3

C25  H4

C26  H7

C27  G7

C28  I3

C29  I5

C30  J5

DES  LC DES   LC DES   LC

C31  I6

C32  I2

C33  I2

C34  I2

C35  J3

C36  J3

C37  J6

C38  J6

C39  K6

C40  J3

C41  H2

C42  K2

C43  K2

C44  K3

C45  J6

C46  L3

C47  L4

C48  F3

C49  K6

C50  M2

C51  M2

C52  M3

C53  N2

C54  M3

C55  M3

C56  M4

C57  O3

C58  N3

C59  N3

C61  H3

C62   G3

C63   G3

C64   H3
D1     F2

D2     G2

D3     I3

D4     I1

D5     D8
J1      B7

J2      P3
JU1    G5

JU2    G3

JU3    G3

JU4    H3

JU5    I5

JU6    D6

JU7    E4

JU8    P4

JU9    O4

JU10  O4
L1      B2

L2      B4

L3      B6

L4      F2

L5      H3

L6      G3

L7       I2

L8       K2

L9       M2

L10     M4

L11     N3

L12     J3

L13     N3

LED1 D10
P1      B2

P2      B4

P3      B6

Q1      C3

Q2      C7

Q3      C9

Q4      D8

Q5       I3
R1      B7

R2      B10

R3      C3

R4      C3

R5      C6

R6      C6

R7      C6

R8      C7

R9      C7

R10    D9

DES  LC DES    LC DES  LC

R11  D8

R12  D9

R13  E2

R14  E2

R15  E4

R16  E5

R17  E5

R18  E7

R19  D6

R20  F2

R21  F3

R22  F3

R23  G6

R24  G7

R25  G3

R26  H1

R27  I3

R28  I4

R29  I6

R30  I1

R31  J3

R32  K6

R33  C9

R34  F8

R35  E9

R36  J6

R37  I4

R38  J3

R39  H4

R40  K2

R41      K3

R42      E5

R43      E4

R44      L3

R45      L3

R46      L3

R47      L4

R48      L4

R49      L4

R50      M2

R51      M3

R52      M4

R53      K6

R54      O3

R55      O3

R56      O3
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     G1

U10   H5

U11   J3

U15   M3

U16   M4

TITLE:

DATE:
DWG No.:

BOARD No.:

DWN BY:

APRVD:

DWG REV DATE:

REVISED BY:

REV:

DANIELS

ELECTRONICS LTD

TM

VICTORIA BC.

HIGHEST REFERENCE DESIGNATORS

UNUSED REFERENCE DESIGNATORS

OS-3(R/T)-3H 29 - 71.4 MHz BOARD SCHEMATIC DIAGRAM

01-S-01-02

09 FEBRUARY 2003

LARRY JOE

-----

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 Å 2.3 VDC

-----

    -----

-----

A

B

U16

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

SEL

U10

AGND

AGND

GND

VCNTRL

OUTPUT

VCC

1

4

2

3

TCXO1

AGND

C31

1.0nF

R29

SEL

OUTPUT

SENSE

5VTAP

FB

INPUT

ERROR

SHDN

GND

1

2

6

7

4

3

5

8

U8

LP2951

AGND

+ C15

4.7uF

AGND

R15

10R0

+

C18

47uF

AGND

R16

5K11

R17

5K11

AGND

RV1

5K0

AGND

C16

1.0nF

+ C6

47uF

AGND

AGND

C7

10nF

R19

10K0

C14

10nF

AGND

2

1

3

JU1

C19

10nF

+5VA

Z2

AGND

C22

10nF

AGND

C21

10nF

R23

10R0

R24

10R0

+ C27

4.7uF

AGND

+

C20

4.7uF

AGND

+5VA

+5VA

R31

49R9

AGND

AGND

R30

10R0

C36

330pF

AGND

IN OUT

GND

1

3

4 2

U11

MSA-0611

R40

180R

L8

1.5uH

AGND

C43

10nF

AGND

+8VA

C44

330pF

R41

18R2

R44

47R5

R47

47R5

R46

33R2

AGND

C46

330pF

AGND

IN OUT

GND

1

3

4 2

U15

MSA-0611

R50

180R

L9

1.5uH

AGND

C51

10nF

AGND

+8VA

C52

330pF

R45

27R4

C47

330pF

AGND

IN OUT

GND

1

3

4 2

U16

MSA-0611

R51

220R

L10

1.5uH

AGND

C55

10nF

AGND

+8VA

C56

330pF

R48

27R4

R49

33R2

AGND

R52

49R9

AGND

R55

274

AGND

R54

18R2

R56

274

AGND

J2

AGND

2

1

3

D2

MMBV609L

2

1

3

D1

MMBV609L

L4

10uH

R20

10R0

AGND

R25

10R0

L6

10uH

C25

1.0nF

AGND

C23

SEL

L2

10uH

AGND

C2

1.0nF

P2

OUTPUT

SENSE

5VTAP

FB

INPUT

ERROR

SHDN

GND

1

2

6

7

4

3

5

8

U7

LP2951

AGND

+ C13

4.7uF

AGND

L3

10uH

AGND

C3

1.0nF

P3

E

B

C

Q2

BC817

J1

R7

10K0

R6

1K00

R9

1K00

AGND

AGND

C4

10nF

C9

10nF

AGND

R1

49R9

AGND

R5

100R

C8

100nF

AGND

+5VA

VCC
OUT
GND

1
2
3

U1

OPL550

VCC
OUT
GND

1
2
3

U2

OPL550

VCC
OUT
GND

1
2
3

U3

OPL550

VCC
OUT
GND

1
2
3

U4

OPL550

AGND

AGND

AGND

+5VA

C10

100nF

AGND

OUTB

OUTA

ENB

CLK

DIN

AGND

AGND

R13

11K8

R14

10K0

AGND

+ C12

4.7uF

AGND

+8VA

AGND

+5VB

C5

100nF

AGND

+5VB

TP1

TP2

TP3

E

B

C

Q1

BC817

AGND

R4

10K0

R3

10K0

OUTPUT

ADJ

GND

NC

VIN

GND

GND

SHDN

8

7

6

5

4

3

2

1

LT1129-IS8

U6

AGND

D4

BYD17J

R26

1R2

AGND

E

B

C

Q4

BC817

R11

10K0

AGND

R18

10K0

+5VA

ENB

CLK

1

2

OP140A

U5

AGND

AGND

E

B

C

BC807

Q3

R2

330R

C37

1.0uF

AGND

+8VA

R28

10R0

+

C29

47uF

AGND AGND

C30

10nF

OUTB

10uH

L1

AGND

1.0nF

C1

P1

AGND

R22

1K00

AGND

20K0

R21

1.0nF

C26

D1

D1

D2

D2

S1

G1

S2

G2

1

2

3

4

5

6

7

8

SI9945DY

U9

AGND

0R00

R39

R8

10K0

+5VA

+5VA

AGND

+

1.0uF

C11

BAS16

D5

10K0

R53

TP4

C38

1.0uF

AGND

AGND

DIN

LED1

TLMH3100GS08

AGND

G

S

D

Q5

J211

L7

4.7uH

R27

15K0

D3

MMBD701

C40

33pF

C34

SEL

R38

49R9

C28

1.0nF

+8VA

C41

1.0nF

L5

SEL

C24

1-14pF

JU2

SEL

C61

C59

SEL

C53

SEL

L11

SEL

C58

SEL

AGND

AGND

SEL

C48

AGND

AGND

AGND

AGND AGND

AGND

AGND

AGND

AGND

JU4

SEL

L13

SEL

C57

AGND

C17

1.0nF

C62

47pF

C63

22pF

C64

12pF

R32

15K0

1.0uF

C39

2K7

R36

C45

470nF

C49

22nF

L12

4.7uH

C35

3.3pF

+5VA

10R0

R37

JU3

JU10

JU9

JU8

100uF

C32

C33
100uF

C42
4.7uF

C50
4.7uF

C54
4.7uF

R10

22K1

22K1

R12

10K0

R34

10K0

R35

1K2

R33

JU6

10K0

R42

10K0

R43

2

3

1

JU5

JU7

OS(R/T)-3H 29-71.4MHZ 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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