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3400a
HP_3400_Manuals_Uploaded
03400-90008 (June 1972) 1140A with backdating to 322 and updating to 1218A Neon chopper and nuvistor front-end Chapter PDF's 03400-90008.pdf is Chapters merged using PDF24 HewlettPackard3400aRmsVoltmeter.pdf Beautiful hi-res color scan ----------------------------------------------------------------------- GAP 1218A to 2225A; 2225A is chopper op-amp and nuvistor front-end ----------------------------------------------------------------------- 03400-90013 (August 1984) plus Supplement A (1-Dec-1986) Chopper op amp and FET front end 2415A with backdating to 2225A (nuvistor front end) Includes 5-43 chopper retrofit procedure 3400a.djvu (BAMA) HP 3400A.pdf (BAMA) The original of this instance has FET and nuvistor schematics swapped Supplement A "2415A31801 and above" Poor scan, obsolete, use 03400-90013.pdf or 9018-05695.pdf . 03400-90013.pdf (Agilent) is a better instance than 3400a.djvu https://www.keysight.com/us/en/assets/9018-05695/user-manuals/9018-05695.pdf is visually the same but different bytes. Neither scan has OCR. The original of this instance has FET and nuvistor schematics correct. 2415A with backdating to 2225A and updating to 2415A31171 ----------------------------------------------------------------------- HP_3400B_Op_Serv.pdf 03400-90014 (October 1992)
Info
3400a and HP 4300a
Manual for Hewlett-Packard HP 3400A RMS Voltmeter.
Compliments of John D. Farr, KC4ZXX.
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