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The
B
oat
A
nchor
M
anual
A
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Path: /hp/3400a/

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Directories:

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.

Files:

03400-90008.pdf
(2.2 MB)
03400-90013.pdf
(3 MB)
3400a.djvu
(1.1 MB)
HP 3400A.pdf
(3.1 MB)
HP_3400B_Op_Serv.pdf
(2 MB)