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POWER SUPPLY

MODELS XP-660 / XP-760

Instruction Manual

Copyright © 2005, 1990 by Elenco

®

Electronics, Inc. All rights reserved.

Revised 2005       REV-H

753660

No part of this book shall be reproduced by any means; electronic, photocopying, or otherwise without written permission from the publisher.

Elenco

®

Electronics, Inc.

Variable Regulated

Model XP-760

Model XP-660

Содержание XP-660

Страница 1: ...Elenco Electronics Inc All rights reserved Revised 2005 REV H 753660 No part of this book shall be reproduced by any means electronic photocopying or otherwise without written permission from the pub...

Страница 2: ...foldback Short Protection 05 to 1A current limit Current foldback Output Impedance 1 ohms 03 ohms Specifications for Model XP 760 120VAC input 0 20V Supplies 5V Supply Input Voltage 110 135VAC 60 Her...

Страница 3: ...nvert the 120VAC input to 25VDC 0 20V Regulators Figure 2 shows a simplified circuit of the 0 20V regulator circuit This circuit consists of a high gain amplifier transistor Q305 The gain of this stag...

Страница 4: ...dout is clocked at about 2 5 readings per second The digitized data is presented to the display as four decoded digits seven segments plus polarity The decimal point position on the display is selecte...

Страница 5: ...660 and XP 760 are extremely versatile power supplies All supplies are completely isolated from each other This means that they have separate grounds By tying the ground terminal of one supply to the...

Страница 6: ...quire no routine maintenance The circuits are protected by design from external shorts or overloads The following information is provided in the event the supply requires service or re calibration Fix...

Страница 7: ...307 Transistor MPSA70 320070 1 Q101 Transistor TIP120 320120 3 Q102 202 302 Transistor 2N3055 323055 8 Q204 206 208 Transistor MPS5172 325172 Q304 306 308 2 Q203 303 Transistor MPS6521 326521 1 IC IC...

Страница 8: ...Schematic Diagram XP 660 7...

Страница 9: ...Schematic Diagram XP 760 8...

Страница 10: ...Diode Zener 1N5240 10V 315240 4 D201 207 301 307 Transistor MPSA70 320070 4 Q102 202 302 Transistor 2N3055 323055 8 Q204 206 208 Transistor MPS5172 325172 Q304 306 308 1 Q101 Trans 6121 1061 326121 2...

Страница 11: ...bes lamps batteries and other optional materials which are defective in either workmanship or material under normal and proper use This warranty does not cover equipment which has been tampered with i...

Страница 12: ...Elenco Electronics Inc 150 Carpenter Avenue Wheeling IL 60090 847 541 3800 Fax 847 520 0085 Web site www elenco com e mail elenco elenco com...

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