6BY4
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BrandGeneral Electric
ClassTriode
Basespecial clip-type or friction-type
Filament6.3V @ 250mA
Construction
Primary Typetriode
Envelopeceramic
Base Materialmetal-ceramic
Sectionssingle
Filament / Heater
Heater NotesAC or DC
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation1.1 W
Cathode Current5.5 mA
H-C Voltage50 V
Audio Performance
Key Features
- Ceramic high-mu triode
- Parallel-plane construction
- Excellent isolation between input and output circuits
- Low lead inductances
- Low interelectrode capacitances
- Short transit time
- Extremely high ratio of transconductance to plate current
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A Amplifier | 200V | 6000 | 16700 | 100 | 5mA |
| Grounded-Grid Amplifier—900 Megacycles | 200V | - | - | - | 5mA |
Application Notes
Designed primarily for use as a grounded-grid radio-frequency amplifier in combined UHF-VHF television tuners.
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