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=6Ж9П | |||
|Part_nos=154-0215-00 | |||
|Description=miniature high-slope VHF/UHF pentode | |||
|Used_in=P80;3T77;3T77A;4S2A;526;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: | ||
* the staircase generator circuit of the [[3T77]] | * the staircase generator circuit of the [[3T77]] and [[3T77|3T77A]] | ||
* the [[P80]] cathode-follower probe | * the [[P80]] cathode-follower probe | ||
* [[TR-4602]], Hungarian [[551]] clone | |||
* the [[526]] | |||
* the [[4S2A]] | |||
{{Part usage}} | |||
==Links== | ==Links== | ||
* [ | * [https://w140.com/6688_tube.pdf Raytheon CK 6688 Datasheet (PDF)] | ||
* [https://www.radiomuseum.org/tubes/tube_6688.html 6688 @ radiomuseum.org] | * [https://www.radiomuseum.org/tubes/tube_6688.html 6688 @ radiomuseum.org] | ||
| Line 16: | Line 26: | ||
Tek p80 internal circuit.JPG|[[P80]] probe internal view | Tek p80 internal circuit.JPG|[[P80]] probe internal view | ||
</gallery> | </gallery> | ||
{{Part usage}} | |||
[[Category:Pentodes]] | [[Category:Pentodes]] | ||
Latest revision as of 10:42, 1 November 2023
The 6688 (European: E180F) (Russian: 6Ж9П) (P/N 154-0215-00) 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 and 3T77A
- the P80 cathode-follower probe
- TR-4602, Hungarian 551 clone
- the 526
- the 4S2A
Some instruments using part 6688
| Instrument | Manufacturer | Class | Model | Description | Introduced |
|---|---|---|---|---|---|
| 3T77 | Tektronix | Plug-in | 3T77 | Sampling sweep plug-in | 1962 |
| 3T77A | Tektronix | Plug-in | 3T77A | Sampling sweep plug-in | 1966 |
| 4S2A | Tektronix | Plug-in | 4S2A | Dual channel sampling plugin | 1965 |
| 526 | Tektronix | Audio/Video | 526 | NTSC Vectorscope | 1959 |
| P80 | Tektronix | Probe | P80 | Active probe for 581/585+80 | 1959 |
| TR-4602 | EMG | Oscilloscope | TR-4602 | 25 MHz dual beam oscilloscope | (?) |
Links
Pictures
-
P80 probe internal view
Some instruments using part 6688
| Instrument | Manufacturer | Class | Model | Description | Introduced |
|---|---|---|---|---|---|
| 3T77 | Tektronix | Plug-in | 3T77 | Sampling sweep plug-in | 1962 |
| 3T77A | Tektronix | Plug-in | 3T77A | Sampling sweep plug-in | 1966 |
| 4S2A | Tektronix | Plug-in | 4S2A | Dual channel sampling plugin | 1965 |
| 526 | Tektronix | Audio/Video | 526 | NTSC Vectorscope | 1959 |
| P80 | Tektronix | Probe | P80 | Active probe for 581/585+80 | 1959 |
| TR-4602 | EMG | Oscilloscope | TR-4602 | 25 MHz dual beam oscilloscope | (?) |