Indirectly heated double high-frequency tetrode, internally neutralized for push-pull amplification to approximately 225 MHz. Two tetrode sections provide balanced RF power amplification in one envelope.
Internally neutralized double high-frequency tetrode designed for push-pull amplification or frequency-tripler service to approximately 500 MHz. Two RF tetrode sections share one envelope.
Internally neutralized double high-frequency tetrode with center-tapped heater, designed for push-pull amplification or frequency-tripler service to approximately 600 MHz.
Special Amperex radiation-cooled twin tetrode, developed as a high-frequency 832A variant for mobile RF amplification, frequency multiplication, and modulation service.
Russian dual-tetrode tube containing two physical tetrode sections. Manufacturer documentation establishes the paired construction and published electrical ratings for the complete device.
Twin tetrode designed for RF power amplifier, oscillator, modulator, and frequency-multiplier service to about 500 MHz. Heat-sink or forced-air cooling is required near maximum ratings.
Quick-heating twin tetrode for hybrid mobile transceivers, serving as RF power output, driver, oscillator, or frequency multiplier. Internal neutralization supports operation to approximately 200 MHz.
Twin tetrode designed for single-sideband RF applications. Two identical physical tetrode sections provide paired high-frequency power operation within one envelope.
Twin tetrode designed for single-sideband RF applications. Its two identical physical tetrode sections support paired radio-frequency power operation in professional communications equipment.
Quick-heating internally neutralized twin tetrode designed for RF power amplification and frequency multiplication in mobile or fixed equipment. Two physical tetrode sections provide compact paired RF operation.
Marconi twin tetrode designed for VHF Class-C amplifier and oscillator service to approximately 500 MHz. Two physical tetrode sections provide compact paired high-frequency power operation.
Marconi twin tetrode designed for push-pull VHF power-amplifier service. Two physical tetrode sections share one envelope for balanced radio-frequency output operation.
Medium-power dual transmitting tetrode for RF amplifiers and oscillators, frequency multipliers, AF/RF modulators, and pulse-modulated circuits. Two tetrode sections provide paired power operation.
Quick-heating directly heated double tetrode for output, frequency-multiplier, and modulator service in transistorized mobile equipment. Its paired sections support compact mobile RF power circuits.
Directly heated double tetrode designed for HF amplifier, oscillator, frequency-multiplier, and modulator service. Two power sections provide compact paired transmitting operation.
Double tetrode designed for RF Class-C amplifier, oscillator, frequency-multiplier, and modulator service. Its paired tetrode sections support versatile high-frequency power applications.
Double tetrode designed for RF Class-C and audio-frequency amplifier service. Two power sections share one envelope for paired or push-pull output operation.
Double tetrode designed for high-frequency amplifier and oscillator service. Its paired sections provide compact RF power generation and amplification.
Internally neutralized double tetrode designed for oscillator, frequency-tripler, and amplifier service. Two tetrode sections provide high-frequency paired power operation.
Transmitting power tetrode designed for RF amplification, communications, industrial RF generation, oscillation, modulation, or frequency multiplication.
Transmitting power tetrode designed for RF amplification, communications, industrial RF generation, oscillation, modulation, or frequency multiplication.
Dual common-cathode RF tetrode for UHF power amplification and multiplication service. Marconi data supports push-pull Class C operation into the several-hundred-megahertz region, including frequency-tripler use in professional communications transmitters.
Audio amplifier combination tube containing a small-signal tetrode and a substantially larger output tetrode. It was intended to combine voltage amplification and loudspeaker power output, with the power section rated around 9 W plate dissipation.
Radiation-cooled VHF double tetrode for RF amplification, oscillation, multiplication, and modulation. The paired power sections support push-pull Class C operation around 175 MHz, with published output reaching roughly 180 W under intermittent service conditions.
Matched dual power tetrode developed for linear single-sideband RF amplification. Two equivalent sections, low grid-to-plate feedback capacitance, and configurable heater connections make it suitable for balanced professional communications transmitter stages.
Higher-heater-voltage member of the YL1070 family, retaining two matched tetrode sections for linear single-sideband RF amplification. Low feedback capacitance and dual-section construction suit balanced, heat-sink-cooled professional communications transmitter service.
Quick-heating internally neutralized double tetrode for mobile Class C transmitters. Designed for push-to-talk operation, it reaches useful emission rapidly and provides RF output around 200 MHz from a compact paired-section structure.
Quick-heating double tetrode for mobile RF power amplification and frequency multiplication. Published Class C operation provides useful output at 200 MHz and continues to about 500 MHz, including frequency-tripler service at the upper end.
VHF double tetrode containing two identical RF power sections for mobile Class C amplification, oscillation, and frequency multiplication. The paired structure permits balanced or combined transmitter operation while retaining compact size and moderate plate dissipation.
Indirectly heated double high-frequency tetrode, internally neutralized for push-pull amplification to approximately 225 MHz. Two tetrode sections provide balanced RF power amplification in one envelope.
Internally neutralized double high-frequency tetrode designed for push-pull amplification or frequency-tripler service to approximately 500 MHz. Two RF tetrode sections share one envelope.
Internally neutralized double high-frequency tetrode with center-tapped heater, designed for push-pull amplification or frequency-tripler service to approximately 600 MHz.
Special Amperex radiation-cooled twin tetrode, developed as a high-frequency 832A variant for mobile RF amplification, frequency multiplication, and modulation service.
Russian dual-tetrode tube containing two physical tetrode sections. Manufacturer documentation establishes the paired construction and published electrical ratings for the complete device.
Twin tetrode designed for RF power amplifier, oscillator, modulator, and frequency-multiplier service to about 500 MHz. Heat-sink or forced-air cooling is required near maximum ratings.
Quick-heating twin tetrode for hybrid mobile transceivers, serving as RF power output, driver, oscillator, or frequency multiplier. Internal neutralization supports operation to approximately 200 MHz.
Twin tetrode designed for single-sideband RF applications. Two identical physical tetrode sections provide paired high-frequency power operation within one envelope.
Twin tetrode designed for single-sideband RF applications. Its two identical physical tetrode sections support paired radio-frequency power operation in professional communications equipment.
Quick-heating internally neutralized twin tetrode designed for RF power amplification and frequency multiplication in mobile or fixed equipment. Two physical tetrode sections provide compact paired RF operation.
Marconi twin tetrode designed for VHF Class-C amplifier and oscillator service to approximately 500 MHz. Two physical tetrode sections provide compact paired high-frequency power operation.
Marconi twin tetrode designed for push-pull VHF power-amplifier service. Two physical tetrode sections share one envelope for balanced radio-frequency output operation.
Medium-power dual transmitting tetrode for RF amplifiers and oscillators, frequency multipliers, AF/RF modulators, and pulse-modulated circuits. Two tetrode sections provide paired power operation.
Quick-heating directly heated double tetrode for output, frequency-multiplier, and modulator service in transistorized mobile equipment. Its paired sections support compact mobile RF power circuits.
Directly heated double tetrode designed for HF amplifier, oscillator, frequency-multiplier, and modulator service. Two power sections provide compact paired transmitting operation.
Double tetrode designed for RF Class-C amplifier, oscillator, frequency-multiplier, and modulator service. Its paired tetrode sections support versatile high-frequency power applications.
Double tetrode designed for RF Class-C and audio-frequency amplifier service. Two power sections share one envelope for paired or push-pull output operation.
Double tetrode designed for high-frequency amplifier and oscillator service. Its paired sections provide compact RF power generation and amplification.
Internally neutralized double tetrode designed for oscillator, frequency-tripler, and amplifier service. Two tetrode sections provide high-frequency paired power operation.
Transmitting power tetrode designed for RF amplification, communications, industrial RF generation, oscillation, modulation, or frequency multiplication.
Transmitting power tetrode designed for RF amplification, communications, industrial RF generation, oscillation, modulation, or frequency multiplication.
Dual common-cathode RF tetrode for UHF power amplification and multiplication service. Marconi data supports push-pull Class C operation into the several-hundred-megahertz region, including frequency-tripler use in professional communications transmitters.
Audio amplifier combination tube containing a small-signal tetrode and a substantially larger output tetrode. It was intended to combine voltage amplification and loudspeaker power output, with the power section rated around 9 W plate dissipation.
Radiation-cooled VHF double tetrode for RF amplification, oscillation, multiplication, and modulation. The paired power sections support push-pull Class C operation around 175 MHz, with published output reaching roughly 180 W under intermittent service conditions.
Matched dual power tetrode developed for linear single-sideband RF amplification. Two equivalent sections, low grid-to-plate feedback capacitance, and configurable heater connections make it suitable for balanced professional communications transmitter stages.
Higher-heater-voltage member of the YL1070 family, retaining two matched tetrode sections for linear single-sideband RF amplification. Low feedback capacitance and dual-section construction suit balanced, heat-sink-cooled professional communications transmitter service.
Quick-heating internally neutralized double tetrode for mobile Class C transmitters. Designed for push-to-talk operation, it reaches useful emission rapidly and provides RF output around 200 MHz from a compact paired-section structure.
Quick-heating double tetrode for mobile RF power amplification and frequency multiplication. Published Class C operation provides useful output at 200 MHz and continues to about 500 MHz, including frequency-tripler service at the upper end.
VHF double tetrode containing two identical RF power sections for mobile Class C amplification, oscillation, and frequency multiplication. The paired structure permits balanced or combined transmitter operation while retaining compact size and moderate plate dissipation.
