17EW8
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BrandRogers
ClassDouble Triode
BaseNoval
Filament17.5V @ 150mA
Construction
Primary TypeDouble Triode
EnvelopeT 6-1/2
Sections2
Filament / Heater
Heater NotesSeries heater supply
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation2.5 W
Grid 1 Voltage-100 V
Cathode Current15 mA
H-C Voltage90 V
Audio Performance
Key Features
- Double triode
- R.F. amplifier
- Self-oscillating mixer
- Unipotential cathode
- Internal shield
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| RF Amplifier | 100V | 4600 | - | 50 | 4.5mA |
| RF Amplifier | 170V | 6200 | - | 50 | 10mA |
| RF Amplifier | 200V | 5800 | - | 48 | 10mA |
Application Notes
Specifically designed for use as an R.F. amplifier and self-oscillating mixer in FM/AM receivers.
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