Tube-number record
TP.23
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BrandEdiswan Radio
ClassBattery Triode Pentode
Base7-pin (non-miniature)
Construction
Primary TypeMulti-section
EnvelopeGlass
Sections2
Filament / Heater
Absolute Maximum Ratings
Plate Voltage150 V
Grid 2 Voltage150 V
Cathode Current20 mA
Audio Performance
Key Features
- Variable-mu characteristics
- Self-oscillating frequency changer
- Internal connection between oscillator grid and suppressor grid
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pentode Section (Static) | 120 V | 1200 | — | — | — |
| Triode Section (Static) | 100 V | 2100 | — | 20 | — |
| Suppressor Injection (Converter) | 120 V | 250 | — | — | 0.55 mA |
Application Notes
Primarily intended for suppressor grid injection; triode anode should be parafed with 50,000 ohm grid leak returned to L.T.+.
Datasheets
Datasheet: TP23.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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