CV238 S-band reflex klystron
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This valve measures 100x55mm overall and has an octal base. |
This is a frequency variant of CV116, CV237 and CV272. These klystrons were developed to replace the CV35/36/67 series of valves which, at 1200 to 1500V were inconvenient for high-altitude use.
| Heater voltage | 4V |
| Heater current | 1.5A |
| Tuning range | 2930 - 3130 MHz |
| Max resonator dissipation | 8W |
| Mean resonator voltage | 250V |
| Reflector voltage range | 100 - 175V |
| Grid voltage | 0V |
| Min AFC range | 20MHz |
| Reflector voltage change for 20MHz frequency change | 25V |
| Pin | Function |
| 1 | Grid |
| 2 | Heater |
| 3 | n/c |
| 4 | Resonator |
| 5 | n/c |
| 6 | n/c |
| 7 | Heater |
| 8 | Cathode |
| TC | Reflector |
