Service Manuals, User Guides, Schematic Diagrams or docs for : HP Publikacje HP-Bench-Briefs-1965-04-05
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HP Archive
This vintage Hewlett Packard document was preserved
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On-line curator: Glenn Robb
This document is for FREE distribution only!
HEWLETT ~ PACKARD
April - May 1965 Vol. 6 No.1
HP MODEL 21lA SQUARE-WAVE GENERATOR
Here's a handy circuit you can construct to reverse
the polarity of the 2HA. The values of C and R in
the circuit shown below are typical and will give
fairly good waveform from approximately I KC to
1 MC. Vary the vallfes for better waveforms at
specific frequencies.
SERVICE TIPS AND ffiNTS
cR
HP MODEL P486A THERMISTOR MOUNT
Serials above 1408
The P486A has jOined ranks with the adjUstables: Like
FROM 21lA
the HP Model 478A Thermistor Mounts, P486A's now
coming oU the assembly line (units with serials above
1408, to be exact) have a compensating screw installed.
This means you can thermally rebalance the mount if C◦ Jabse Service Manual Search 2024 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo