6688: Difference between revisions
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{{Vacuum Tube | |||
primarily intended "for use in wideband amplifiers in telephone carrier systems, radar equipment and measuring equipment". | |Type=Pentode | ||
|Number=6688 | |||
|EuroNumber=E180F | |||
|RussianNumber= | |||
|Part_nos= | |||
|Description=miniature high-slope VHF/UHF pentode | |||
|Used_in=P80;3T77;TR-4602 | |||
|Designers= | |||
}} with a {{B9A base}}, primarily intended "for use in wideband amplifiers in telephone carrier systems, radar equipment and measuring equipment". | |||
It is used in: | It is used in: | ||
Revision as of 09:56, 17 August 2021
The 6688 (European: E180F) is a miniature high-slope VHF/UHF pentode vacuum tube with a B9A (Noval) miniature 9-pin base, primarily intended "for use in wideband amplifiers in telephone carrier systems, radar equipment and measuring equipment".
It is used in:
- the staircase generator circuit of the 3T77
- the P80 cathode-follower probe
- TR-4602, Hungarian 551 clone
Tek part number: 154-0215-00
Links
Pictures
-
P80 probe internal view
