Power - Pentode (NOT beam) ·Pentode
Power pentode designed for oscillator, RF power-amplifier, and frequency-multiplier service. Its defining role is generation and amplification of radio-frequency power rather than audio output.
Power pentode for oscillator, RF power-amplifier and frequency-multiplier service.
Small-button Noval 9-contact
General specifications
Properties common to every published source and operating point.
Electrical assignments shared by every tube using this base designation.
No verified pinout is recorded for this base designation.
1 physical section, each with unique specifications.
Section 1
Electrical section mapped from published characteristics and maximum ratings.
Source-dependent data
Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.
Data set 01
Published operating points and test conditions from this source.
Plate voltage
300 V
Screen voltage
250 V
Plate current
50 mA
Screen current
5 mA
Transconductance
7000 uS
Maximum operating frequency
175 MHz
Data set 02
Published operating points and test conditions from this source.
Heater voltage
6.3 V
Published nominal value
Heater current
750 mA
Published nominal value
Maximum plate dissipation
12 W
Published maximum rating
Maximum oscillator frequency
50 MHz
Printed oscillator condition
Frequency multiplier frequency
175 MHz
Printed multiplier condition
RF output power
8 W
50 MHz oscillator/power amplifier