Tube-number record
5765
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5765 is a tube type in the TubeDatabase archive (class: UHF triode oscillator). Recorded specifications: brand SYLVANIA, construction Triode, socket Coaxial, maximum plate voltage 350 V, and maximum plate dissipation 5 W. The archive does not yet hold a photographed example of this type.
BrandSYLVANIA
ClassUHF triode oscillator
BaseCoaxial
Filament6.3 V @ 400 mA
Construction
Primary TypeTriode
EnvelopeGlass-Metal
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage350 V
Plate Dissipation5 W
Audio Performance
Power Output0.25 W
Key Features
- UHF triode oscillator
- Internal feedback circuit
- Concentric line circuit fitting
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Characteristics | 180 V | 4500 | — | 25 | 12 mA |
| UHF Oscillator, CW | 180 V | — | — | — | 25 mA |
Application Notes
The Sylvania Type 5765 is a UHF triode oscillator designed for service at frequencies up to 2900 mc. The 5765 has a built-in internal feedback circuit between cathode and anode and fits into a concentric line oscillator. A small amount of adjustable, external feedback is generally necessary in order to obtain optimum power output at any given frequency. Recommended for use with Amerac Inc. Type 192 or 192A cavities.
Datasheets
Datasheet: 5765.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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