6C4
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The 6C4 (European: EC90) (P/N 154-029,154-0029-00) is a VHF triode vacuum tube with a 6.3 V, 150 mA heater and a miniature B7G 7-pin base.
The 6135 is a high-rel version with higher heater current.
Used in
Some instruments using part 6C4
| Instrument | Manufacturer | Class | Model | Description | Introduced |
|---|---|---|---|---|---|
| 190 | Tektronix | Signal generator | 190 | Constant-Amplitude Signal Generator | 1954 |
| 3B2 | Tektronix | Plug-in | 3B2 | Delaying timebase plug-in | 1963 |
| 507 | Tektronix | Oscilloscope | 507 | Power Industry scope | 1959 |
| 511 | Tektronix | Oscilloscope | 511 | 10 MHz Tube scope First Tektronix oscilloscope |
1947 |
| 511A | Tektronix | Oscilloscope | 511A | 10 MHz Tube scope | 1948 |
| 517 | Tektronix | Oscilloscope | 517 | 50 MHz scope | 1951 |
| Chemtrix 205 | Chemtrix | Plug-in | 205 | Polarographic timebase | (?) |