HP 120 cal free download

File name 120_cal.pdf

THIS IS A REPRINT, INCLUDING CHANGES 1 AND 2 *TB 9-6625-082-50 DEPARTMENT OF THE ARMY TECHNICAL BULLETIN CALIBRATION PROCEDURE FOR OSCILLOSCOPE, HEWLETT-PACKARD MODELS 120A, 120AR, 120B. AND 120BR Headquarters, Department of the Army, Washington, DC 14 January 1974 REPORTING OF ERRORS You can help improve this publication by calling attention to errors and by recommending improvements and stating your reasons for the recommendations. Your letter or DA Form 2028, Recommended Changes to Publications, should be mailed directly to Commander, U.S. Army Aviation and Missile Command, ATTN: AMSAM-TMD-EP, Redstone Arsenal, AL 35898-5000. FAX to DSN 788- 2313 (commercial 256-842-2313). A reply will be furnished directly to you. Paragraph Page SECTION I. IDENTIFICATION AND DESCRIPTION Test instrument identification... 1 2 Calibration data card, DA Form 2416 ... 2 2 Calibration description ... 3 3 II. EQUIPMENT REQUIREMENTS Equipment required... 4 4 Accessories required ... 5 5 III. PRELIMINARY OPERATIONS Preliminary instructions... 6 5 Equipment Setup ... 7 6 IV. CALIBRATION PROCESS FOR MODELS 120A AND 120 AR Intensity limit ... 8 6 Vertical and horizontal amplifier dc balance... 9 7 Triggering range and level... 10 9 Vertical and horizontal sensitivity and range ... 11 12 Calibrator... 12 13 Vertical amplifier frequency response and attenuator compensation ... 13 13 Horizontal a