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Figure 10-26 forward/reverse power board schematic, Forward/reverse power schematic figure10-26 – Viking 242-2009-632 User Manual

Page 227

background image

March 1999

Part No. 001-2009-600

10-21

FORWARD/REVERSE POWER SCHEMATIC

FIGURE10-26

WO 654

FORWARD

POWER

SENSE

C664

27pF

R667

470

+

U651B

2904

7

C672

27pF

R663

5k

R665

10k

C673

.001

R666

10k

C681

.001

R688

10k

R664

160

+

U651A

2904

1

2

3

C669

27pF

C670

27pF

R662

10k

C671

27pF

R659

10k

C668

27pF

R656

20k

R660

10k

C658

10k

C654

12pF

R655

0

R654

0

R651

51

L651

.033uH

L653

.039

R653

160

L652

12.5nH

50

+6V

WO 657A

C684

.001

+ C683

4.7

RF OUT

WO 650

WO 651

RF POWER IN

CIRCULATOR

WO 653

L657

12.5nH

R685

50

250W

REFLECTIVE

POWER LOAD

R672

0

R671

0

R668

51

L654

.033uH

R670

160

L655

12.5nH

50

L656

.039uH

C667

27pF

WO 656

REFLECTED

POWER

SENSE

C665

27pF

R684

470

+

U652A

2904

7

C678

27pF

R680

5k

R683

10k

C679

.001

R682

7.5k

C682

.001

R689

10k

R681

160

+

U652B

2904

7

6

5

C675

27pF

C676

27pF

R677

10k

C677

27pF

R676

10k

C674

27pF

R673

20k

R678

10k

B

A

C653

27pF

CR651

A

B CR652

C675

10k

C658

27pF

3

2

WO 657B

+6V

C663

.001

+ C662

4.7

R687

240

1

6

7

V OUT

GND C

GND

+

C661

4.7

R686

470

GND B

GND A

V IN

U653

LM78L05

3

2

8

+C660

2.2

C659

.001

+15V

WO 652

NOTES:

1. ALL RESISTORS ARE IN OHMS, CAPACITORS IN MICROFARADS AND
INDUCTORS IN MICROHENRYS UNLESS OTHERWISE SPECIFIED.

DANGER

BERYLLIUM PRODUCT. INHALATION OF
DUST OR FUMES MAY CAUSE SERIOUS
CHRONIC LUNG DISEASE. SEE MATERIAL
SAFETY SHEETS FOR FURHTER DETAILS.