It is designed for AF or RF amplifier, oscillator, and frequency multiplier service and for single sideband applications.
| GENERAL DESCRIPTION |
|
The 7378 / QE08/200 is an all-glass, beam power tetrode having a maximum plate dissipation of 100 watts at frequencies up to 30 Mc/s. It is designed for AF or RF amplifier, oscillator, and frequency multiplier service and for single sideband applications. |
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| TECHNICAL SPECIFICATIONS | |
| ELECTRICAL | |
| Cathode Heater voltage Heater current |
Coated, unipotential 6.3 volts 3.9 amps |
| Amplification Factor | 5.7 |
| Transconductance | 9000 μmhos |
| Direct Interelectrode Capacitances Input Output Plate to grid |
30 μμf 12.7 μμf 0.9 μμf |
| MECHANICAL | |
| Mounting Position | Vertical or horizontal with plane of plate vertical |
| Cooling | Radiation and convection |
| Maximum Operating Temperature Plate seal Bottom pins Glass Bulb |
220°C 180°C 300°C |
| Net weight | 7.8 ounces |
| Specifications may change without notice | |
| THIS TUBE IS USED IN THE FOLLOWING SHORTWAVE BROADCAST TRANSMITTERS | ||
| Manufacturer | Transmitter specifications | Power in kW |
| Philips | 8FZ 510 | 25 |
| 8FZ 513 | 25 | |
| 8FZ 514 | 50 | |
| 8FZ 503 / 8FZ 512 | 120 | |
| 8FZ 515 | 120 | |
| THIS TUBE IS AVAILABLE FROM | ||
| Manufacturer | Rebuilder | Distributor |
| Richardson Electronics | ||
| Vacuum Tubes, Inc. | ||
| PRICE LEVEL (US$) | |||||
| 1 | 2 | 3 | 4 | 5 | 6 |
| 0 - 10 | 10 - 100 | 100 - 1000 | 1000 - 10,000 | 10,000 - 50,000 | 50,000 - 100,000 |