GS-31B Tube 1.5kW New in Box! (hf, vhf, qro, pa, power, amp)
GS-31B 1,5kW Power Tube. With 3,5kV on plate >2.0 kW can be expected on 144MHz in a grounded grid amplifier! Intermodulation distortion of the 3rd order - minus 32 dB. Anode Dissipation - 1.5 kW. Grid Dissipation - 22 W. Cathode- Oxide coated Heater voltage - 12,6V. Heater current - 3.4A. Maximum CW Anode voltage - 3.0 kV.
Maximum Instantaneous value Anode voltage- 6.0 kV. Maximum CW Cathode current- 1.4 A.Cathode pulse current- 8.0 A. Transconductance at Ua= 2.0 kV Ia = 350 mA --> 22.5 mA/V. Capacitance Input /Output /Feed-through -19 pF /3.8 pF/0.12 pF-Max.
Seal and Envelope Temperature - 250 C max. Anode Temperature - 200 C max.Cathode Connector Temperature - 120 C max. Maximum Length -147,0mm Maximum Diameter -100,2mm. Weight with heat sink: 1.2 kgs. The so called "Specification Sheet" for the GS-31B/GS-35B was provided for the tubes as they were produced in the Soyus Union-engl.
Factory for the Russian military and select civil aviation customers. These tubes were produced primarily for use in UHF RADAR applications. The factory was manufacturing the tube in such a manner as to guarantee their performance under the specified conditions. Use of this tube in the spectrum occupied by the amateur bands 160 meters through 70 centimeters was never specified nor measured.
This item is in the category "Consumer Electronics\Radio Communication\Parts & Accessories\Tubes". The seller is "qro-stuff" and is located in Europe. This item can be shipped worldwide.
- Maximum Output Power: 3 kW
- Frequency range: HF-VHF-UHF
- Model: GS-31B
- Country/Region of Manufacture: Russian Federation
- Band: HF-VHF-UHF
- MPN: Does Not Apply
- Brand: Unbranded/Generic