17R-HH2
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ClassMedium-Mu Twin Triode
BaseE9-1 Small Button Noval 9-Pin
Filament17V @ 150mA
Construction
Primary TypeTwin Triode
EnvelopeGlass
Sections2
Filament / Heater
Heater NotesDesigned for transformer-less FM/AM receivers
Absolute Maximum Ratings
Plate Voltage150 V
Plate Dissipation2 W
Cathode Current20 mA
H-C Voltage200 V
Audio Performance
Key Features
- High mutual conductance
- Low plate voltage operation
- Designed for VHF band
- Frequency converter
- Oscillator
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| RF Amplifier | 90V | 8000 | - | 36 | 8.5mA |
Application Notes
Used in tuners of transformer-less FM/AM receivers; most suitable for transformer-less radio receivers due to high transconductance at low plate voltage.
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