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CV3939 broadband reflex klystron

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This valve measures 78x25mm overall and has a 4 pin base |
| Heater voltage | 6.3V |
| Heater current | 650mA |
| Max resonator voltage | 350V |
| Max resonator current | 29mA |
| Max reflector voltage | -700V |
| Max control electrode voltage range | +1 to -500V |
| Max heater-cathode voltage | ±45V |
| Max seal temperature | 175°C |
(data from 6MB6 which is listed in the CV Register as equivalent)
This klystron will operate between 550 and 3800MHz in three modes: 550 to 2300MHz, 1100 to 3000MHz and
1500 to 3800MHz.
| Pin | Function |
| 1 | Control electrode |
| 2 | Heater |
| 3 | Cathode |
| 4 | Heater |
| Lower contact ring | 1st resonator |
| Upper contact ring | 2nd resonator |
| Top cap | Reflector |
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