FLUKE 5220A Instruction 电路图.pdf

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1、 5220A Transconductance Amplifier Instruction Manual PN 491936 June 1979 Rev. 3, 6/97 1997 Fluke Corporation. All rights reserved. Printed in USA All product names are trademarks of their respective companies. RadioFans.CN 收音机爱 好者资料库 LIMITED WARRANTY AND LIMITATION OF LIABILITY Each Fluke product is

2、 warranted to be free from defects in material and workmanship under normal use and service. The warranty period is one year and begins on the date of shipment. Parts, product repairs, and services are warranted for 90 days. This warranty extends only to the original buyer or end-user customer of a

3、Fluke authorized reseller, and does not apply to fuses, disposable batteries, or to any product which, in Flukes opinion, has been misused, altered, neglected, contaminated, or damaged by accident or abnormal conditions of operation or handling. Fluke warrants that software will operate substantiall

4、y in accordance with its functional specifications for 90 days and that it has been properly recorded on non-defective media. Fluke does not warrant that software will be error free or operate without interruption. Fluke authorized resellers shall extend this warranty on new and unused products to e

5、nd-user customers only but have no authority to extend a greater or different warranty on behalf of Fluke. Warranty support is available only if product is purchased through a Fluke authorized sales outlet or Buyer has paid the applicable international price. Fluke reserves the right to invoice Buye

6、r for importation costs of repair/replacement parts when product purchased in one country is submitted for repair in another country. Flukes warranty obligation is limited, at Flukes option, to refund of the purchase price, free of charge repair, or replacement of a defective product which is return

7、ed to a Fluke authorized service center within the warranty period. To obtain warranty service, contact your nearest Fluke authorized service center to obtain return authorization information, then send the product to that service center, with a description of the difficulty, postage and insurance p

8、repaid (FOB Destination). Fluke assumes no risk for damage in transit. Following warranty repair, the product will be returned to Buyer, transportation prepaid (FOB Destination). If Fluke determines that failure was caused by neglect, misuse, contamination, alteration, accident, or abnormal conditio

9、n of operation or handling, including overvoltage failures caused by use outside the products specified rating, or normal wear and tear of mechanical components, Fluke will provide an estimate of repair costs and obtain authorization before commencing the work. Following repair, the product will be

10、returned to the Buyer transportation prepaid and the Buyer will be billed for the repair and return transportation charges (FOB Shipping Point). THIS WARRANTY IS BUYERS SOLE AND EXCLUSIVE REMEDY AND IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARR

11、ANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. FLUKE SHALL NOT BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES OR LOSSES, INCLUDING LOSS OF DATA, ARISING FROM ANY CAUSE OR THEORY. Since some countries or states do not allow limitation of the term of an implied

12、 warranty, or exclusion or limitation of incidental or consequential damages, the limitations and exclusions of this warranty may not apply to every buyer. If any provision of this Warranty is held invalid or unenforceable by a court or other decision-maker of competent jurisdiction, such holding wi

13、ll not affect the validity or enforceability of any other provision. Fluke Corporation P.O. Box 9090 Everett, WA 98206-9090 U.S.A. Fluke Europe B.V. P.O. Box 1186 5602 BD Eindhoven The Netherlands 11/99 RadioFans.CN 收音机爱 好者资料库 i Table of Contents SectionTitlePage 1Introduction and Specifications. 1-

14、1 1-1.Introduction. 1-1 1-2.Specifications . 1-2 2Operating Instructions. 2-1 2-1.Introduction. 2-1 2-2.Shipping Information. 2-1 2-3.Input Power . 2-1 2-4.Fuse Replacement. 2-2 2-5.AC Line Fuse. 2-2 2-6.Power Supply Fuses. 2-2 2-7.Rack Installation. 2-2 2-8.Operating Features. 2-2 2-9.Operating Not

15、es. 2-5 2-10.AC Line Connection . 2-5 2-11.Transconductance Amplifier. 2-5 2-12.Input Voltage Requirements . 2-5 2-13.Input Voltage Selection, Front/Rear . 2-6 2-14.Current Output, Front/Rear. 2-6 2-15.Standby/Operate. 2-6 2-16.Local/Remote. 2-6 2-17.Status Indicators. 2-6 2-18.Audible Output. 2-7 2

16、-19.Inductive Loads. 2-7 2-20.Operation. 2-9 3Theory of Operation. 3-1 3-1.Introduction. 3-1 3-2.Overall Functional Description . 3-1 3-3.General. 3-1 3-4.Analog Section. 3-1 3-5.Digital Section. 3-4 3-6.Circuit Analysis. 3-4 3-7.Power Supply. 3-4 RadioFans.CN 收音机爱 好者资料库 5220A Instruction Manual ii

17、3-8.Preamplifier. 3-6 3-9.A6 Driver . 3-7 3-10.A7 Output. 3-9 3-11.A8 Analog Control. 3-10 3-12.A9 Front Panel. 3-11 3-13.A10 Logic . 3-11 3-14.Reset Logic. 3-11 3-15.Timing Logic. 3-13 3-16.Standby/Operate Logic. 3-14 3-17.Local/Remote Logic . 3-15 3-18.Front/Rear Input Logic. 3-15 3-19.Failure Sta

18、tus Logic. 3-16 3-20.A11 MIS Bus Interface. 3-16 4Maintenance. 4-1 4-1.Introduction. 4-1 4-2.Service Information. 4-2 4-3.General Maintenance. 4-2 4-4.Cleaning. 4-2 4-5.Air Filter Maintenance. 4-2 4-6.Access Information. 4-2 4-7.Internal Components/Assemblies. 4-4 4-8.Front Panel Removal . 4-4 4-9.A

19、9 Front Panel PCB Removal. 4-4 4-10.A2 Transformer Assembly Removal. 4-4 4-11.A6 Driver and A7 Output Assembly Removal. 4-5 4-12.A3 Cap Bus Removal . 4-5 4-13.A12 Shunt Assembly Removal. 4-5 4-14.Fuse Replacement . 4-6 4-15.Ac Line Fuse. 4-6 4-16.Power Supply Fuses. 4-6 4-17.Line Voltage Selection.

20、4-6 4-18.Output Terminal Selection, Front/Rear. 4-7 4-19.Service Tools. 4-8 4-20.Performance Test. 4-8 4-21.Initial Conditions. 4-8 4-22.Front Panel Tests. 4-9 4-23.Zero Output. 4-9 4-24.DC Accuracy and Line Regulation. 4-10 4-25.Harmonic Distortion. 4-10 4-26.Frequency Response. 4-11 4-27.Overcurre

21、nt Trip Test. 4-11 4-28.Overvoltage Trip Test. 4-12 4-29.Calibration Adjustments. 4-12 4-30.Initial Conditions. 4-13 4-31.Input Offset Adjustment. 4-13 4-32.Driver Offset Adjustment. 4-13 4-33.Output Bias Adjustment. 4-14 4-34.DC Accuracy Adjustment. 4-14 4-35.Frequency Response. 4-14 4-36.Overcurre

22、nt Adjustment. 4-15 4-37.Overvoltage Adjustment . 4-15 4-38.Replacement of Selected Components. 4-15 4-39.Resistors R11 and R12. 4-16 Contents (continued) iii 4-40.Resistor R13. 4-17 4-41.Troubleshooting. 4-18 5List of Replaceable Parts. 5-1 5-1.Introduction. 5-1 5-2.How to Obtain Parts. 5-1 5-3.Man

23、ual Status Information. 5-2 5-4.Newer Instruments. 5-2 5-5.Service Centers. 5-2 6Option and Accessory Information. 6-1 6-1.Introduction. 6-1 6-2.Accessories. 6-1 6-3.Rack Mounting Kit (M08-205-600). 6-1 6-4.Rack Slide Kit (M00-280-610) . 6-3 6-5.Precision Y5020A Current Shunt. 6-3 7Schematic Diagram

24、s. 7-1 5220A Instruction Manual iv v List of Tables TableTitlePage 1-1.Accessories. 1-2 1-2.Specifications. 1-2 2-1.Controls, Indicators, and Connectors. 2-4 3-1.Effect of Reset Command on A10 Logic and A9 Front Panel. 3-13 4-1.Required Test Equipment . 4-1 4-2.DC Accuracy Test. 4-10 4-3.Frequency Response Test .