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ENG. APP.

CONTRACT No.

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24

IRT Electronics Pty. Ltd.

DRAWING No.

COPYRIGHT

ARTARMON NSW AUSTRALIA 2064

A3

K.N.

OPTICAL DETECTOR

803955

PCB ASSEMBLY

+VA

+VA

+12V

+12

+12

+12

ALARM LED

'MANUAL GAIN'

'AGC SET'

+12

+12

+12

+12V 

GND  

ALARM RELAY

RF OUT

SET LK6 AS REQUIRED

NOT ENERGISED = ALARM)

(AS SHOWN RELAY

n.o.

n.c.

+12V

+12V

+12V

+12V

+12V

+12V

2  4/01/99

+12V

FOR 

AGC 

GAIN 

CONTROL

SET LK2 2-3  LK3 CLOSED  LK4 OPEN

SET LK2 1-2  LK3 OPEN  LK4 CLOSED

FOR MANUAL GAIN CONTROL 

RWR-3085

RF OUT THRO
REAR ASSY

PCB 803555/X

-5.2V

-5.2V

-5.2V

-5.2V

-5.2V

-5.2V

-5.2V

-5.2V

-5.2V

-5.2V

2

1

4

3

Q1

U71

C4

10n

R7

470

C6

10n

L3

4u7

1

8

RL1

FBR21

6

3

4

RL1

C34

10n

R16

10K

C36

100nF

R20

100

C35

100nF

8

1

4

7

2

3

6 
5

U4

AD8307

6

5

7

0

0

-

+

U11B

LM358

3

2

1

8

4

U11A

LM358

2

3

1

8

4

-

+

U12A

LM358

1

3

2

Q4

BC846

C39

10n

C40

10n

JP2

0R0

C41

10n

R22

10K

C27

10n

C29 10n

C30

1nF

C31

100nF

C33 10n

C32

10n

R14

680

R13

100

C28

10n

R4

100K

C10

10nF

C18

10n

C22

10n

C14

10n

C16

1uF

L4

470nH

L6

470nH

C26

10n

C23

10n

C24

1uF

R12

33R

C25

1nF

L8

4u7

R10

56R

R11 56R

C21

1nF

C15

10n

5

6

7

U5B

TL072

2

3

1

8

4

-

+

U5A

TL072

RV2

1MEG

R18

100

C37

100nF

5

6

7

U12B

LM358

R17

10K

R56 10K

2

1

D11

BAS32

R31

10K

C60

10n

R55

100

R54

10K

R49 10K

C71

1uF

R45

1K

R46

1K

R44

1K

R47

1K

R42

1K

C57

10uF

C58

10uF

C38

10n

3

1

2

4

U3

MAV-11

R51

10K

R52

10K

R50

10K

R48

10K

RV3

10K

C17

10nF

TP2

TP1

RV1

5K

3

1

2

4

U2

A03

1

3

D10 4V7

(Z1)

1

3

D12

BAT54

(L4)

R23

2K2

R28

10K

1

3

D9 6V8

(Z5)

C13

1uF

R21 2K7

R15

82R

C74

1uF

L1

4u7

C12

10n

C8

10n

R53

12K

C11

4u7

R5

56

C9

10n

C1

10n

R3 10K

3

1

2

LK2

L7

4u7

R19

47K

C20

N/C

C19

N/C

L5

100nH

2

1

LK3

3

1

2

LK6

RV5

1OK

C54

1uF

C72

10nF

C73

10nF

C61

10n

C59

10n

R32

10K

2

1

LK4

C43 10n

C69 10n

2

1

D20

BAS32

1

3

D19

8V2

R43 470

C70 10uF

R2

100

R6

100

3

1

2

4

U1

A03

R8

200

R9

200

R29

4K7

R1

100R

14

13

12

11

10

9

8

7

6

5

4

3

2

1

DET

FRM13R621CU

C7

10nF

L2

470nF

C2

10n

C3

1uF

C5

10n

2

3

7

8

4

1

6

U13

LM311M

2

3

7

8

4 
1

6

U6

LM311M

IRT 

Communications 

www.irtcommunications.com

Summary of Contents for RWR-3085

Page 1: ...anufactured in Australia IRT can be found on the Internet at http www irtelectronics com I R T Electronics Pty Ltd A B N 35 000 832 575 26 Hotham Parade ARTARMON N S W 2064 AUSTRALIA National Phone 02...

Page 2: ...y WARNING Operation of electronic equipment involves the use of voltages and currents that may be dangerous to human life Note that under certain conditions dangerous potentials may exist in some circ...

Page 3: ...ls RWR 3085 Photo diode receiver As shown on diagram 803955 the RWR 3085 Photo diode Receiver module consists of a 1300 nm optical detector diode circuit with integral pre amplifier followed by an att...

Page 4: ...temperature range 0 50 C ambient Mechanical 6 HP x 3 U x 220 mm IRT Eurocard Suitable for mounting in IRT 19 rack chassis types FR 700 FR 722 with fibre RF connections on the front panel and alarms on...

Page 5: ...r chassis See details in separate manual for selected frame type RWT 3085 LASER transmitter module The RWT 3085 is factory aligned for an optical output level of 9 dBm to 7 dBm and an optimum RF input...

Page 6: ...set which is linked to provide a contact closure or a contact open when a fault occurs To select the contact closure on fault set LK 8 near RL 1 in the NC position i e 1 2 To compensate for the optic...

Page 7: ...are intended to show connection order and approximate layout only LASER ON LOW DC RWT 3085 N140 CAUTION Direct connections to module INPUT LOW GAIN DC RWR 3085 N140 CAUTION Direct connections to modu...

Page 8: ...t be closed This will provide the ve voltage for the relay on the rear assembly 3 The relay on the rear assembly connects the output of the Main module to the O P 1 connector SK1 in the energised cond...

Page 9: ...inable from the component supplier Equipment return Before arranging service ensure that the fault is in the unit to be serviced and not in associated equipment If possible confirm this by substitutio...

Page 10: ...tical link block diagram 803950 2 RWT 3085 optical transmitter schematic diagram 803955 1 RWR 3085 optical receiver schematic diagram 803955 2 RWR 3085 optical receiver schematic diagram 804298 1 ZWR...

Page 11: ...T ARTARMON NSW AUSTRALIA 2064 A3 OPTICAL LINK PSU LASER CURRENT AMP LASER POWER ALARM K N 803950 RF IN ATTEN AMP DETECTOR GAIN SET RF OUT LEVEL ALARM OPTICAL PSU AC 14V AC CT AC 14V ALARM ALARM AC 14V...

Page 12: ...5 LM311M 2 3 7 8 4 1 6 U6 LM311M C47 10nF D1 4 1N4004 D5 8 1N4004 C39 1uF R38 240 R37 2K05 R40 240 R39 2K05 1 3 D11 BZX84 C8V2 C14 10uF R15 1K8 R14 330 5 6 7 U3B LM358M 3 2 1 8 4 U3A LM358M 1 3 2 Q4 B...

Page 13: ...5 2V GND ALARM RELAY RF OUT V V DETECTOR CONTROL CCT 803955 PA2 REAR ASSY RF OUT THRO 2 4 01 99 PCB 803555R X D1 4 1N4004 D5 8 1N4004 1 3 2 FL1 1 3 2 FL2 1 3 2 FL5 1 3 2 FL3 1 3 2 FL4 JP1 0R0 L10 4u7...

Page 14: ...33 10n C32 10n R14 680 R13 100 C28 10n R4 100K C10 10nF C18 10n C22 10n C14 10n C16 1uF L4 470nH L6 470nH C26 10n C23 10n C24 1uF R12 33R C25 1nF L8 4u7 R10 56R R11 56R C21 1nF C15 10n 5 6 7 U5B TL072...

Page 15: ...rear assembly connects the output of the Main module to O P1 connector SK1 in the energised condition At the same time the output of the Standby reciever will be connected to O P2 connector SK2 On cha...

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