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TM 11-6625-1576-15 DEPARTMENT OF THE ARMY TECHNICAL MANUAL ORGANIZATIONAL, DS, GS, AND DEPOT MAINTENANCE MANUAL DISTORTION ANALYZER HEWLETT-PACKARD MODELS 333A AND 334A HEADQUARTERS, DEPARTMENT OF THE ARMY MAY 1967 TM 11-6625-1576-15 WARNING DANGEROUS VOLTAGES EXIST IN THIS EQUIPMENT Be careful when working on the power supply and on the 115-volt ac line connections. DO NOT TAKE CHANCES ! This manual contains copyrighted material originally prcpared by the Hewlett-Packard Co. TM11-6625-1576-15 HEADQUARTERS TECHNICAL MANUAL ) ) DEPARTMENT OF THE ARMY NO. 11-6625-1576-5 ) Washington, D.C., 1 9 M a y 1 9 6 7 Organizational, DS, GS, and Depot Maintenance DISTORTION ANALYZER, HEWLETT-PACKARD MODELS 333A AND 334A Section Page I GENERAL INFORMATION . . . . . . . . . 1-2.1 1-A.1 Scope . . . . . . . . . . . . . . . . .1-2.1 l-A.2 Index of Publications. . . 1 - 2 . 1 Section V (Cont `d) Page l-A.3 Forms and Records . . . . . . . . . . . 1 - 2 . 1 5-9. Fundamental Rejection Check . . 5-1 l-1. Description . . . . . . . .1-3 5-10. Second Harmonic Accuracy Check 5-2 1-6. Accessory Features . . . . . . . .1-3 5-11. Distortion Introduced by Instru- 1-8. Options Available . . . . . . . . .1-3 ment Check and Automatic 1-11. Modifications . . . . . . . . . . . . . . . . . . . . . . . . 1-3 Control Loop Operation . . . . 5-2 5-12. Frequency Calibration Accuracy Section Page Check . . . . . . . . . . . . 5-3 II INSTALLATION . . . . . . . . . . . . . .2-1 5-13. Input Resistance Check . . . . . . 5-4 2-1. Introduction . . . . . . . . . . . . . .2-1 5-14. Input Shunt Capacitance Check . . 5-4 2-3. Inspection . . . . . . . . . . . . . . 2-1 5-15. Mini