BEAM-DEFLECTION TUBE
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BrandRCA
ClassCommunication Tube
BaseNoval (B9A)
Filament6.3V @ 350mA
Construction
Primary TypeBeam tetrode / beam power
EnvelopeT6-1/2
Base MaterialSmall-Button Noval 9-Pin
SectionsDouble Plate / Double Deflection Electrode
Filament / Heater
Heater NotesAC or DC
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation1.5 W
Grid 2 Voltage250 V
H-C Voltage180 V
Audio Performance
Key Features
- 9-Pin Miniature
- Low Interelectrode Capacitance
- Internal Shield
- High Oscillator Rejection
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A Amplifier | 150V | 5400 | - | - | 8.5mA |
| Balanced Modulator | 150V | 800 | 5000 | - | 1.5mA |
| Balanced Mixer | 150V | 800 | 10000 | - | 1.5mA |
Application Notes
For use in balanced-modulator, balanced mixer, and frequency-converter applications in single and double-sideband suppressed-carrier communication equipment. Sensitive to magnetic fields; external shield recommended.
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