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6 pcs GU-29 / 829B Beam Pentode TUBES MADE IN USSR NEW With Own Box, US $200 – Picture 0
6 pcs GU-29 / 829B Beam Pentode TUBES MADE IN USSR NEW With Own Box, US $200 – Picture 0

6 Pcs Gu-29 / 829b Beam Pentode Tubes Made In Ussr New With Own Box

US $200

  • Tbilisi, vake, Georgia
  • Jun 12th
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6 pcs GU-29 / 829B Beam Pentode TUBES Made in USSR With own box WITH OTK STEMP NEW NOS GU-29 TETRODE The GU-29 beam-power double tetrode is used as an oscillator and a power amplifier operating in the metric wavelength range in RF equipment. GENERAL Cathode: indirectly heated, oxide-coated. Envelope: glass, no-base. Cooling: forced air. Height: at most 110 mm. Diameter: at most 61 mm. Mass: at most 125 g. 1, 7 - heater; 2 - grid 1 of second tetrode; 3 - grid 2; 4 - cathode and beam-forming plates; 5 - heater (centre tap): 6 - grid 1 of first tetrode; A1 - anode of first tetrode - top lead; A2 - anode of second tetrode-top lead OPERATING ENVIRONMENTAL CONDITIONS Ambient temperature, °C 10 to +55 Relative humidity at up to +25 °C, % 98 BASIC DATA Electrical Parameters Heater voltage, V 12.6 Heater current, A 1-1.3 Anode current (at anode voltage 250 V, grid 1 voltage 11 V of first tetrode, grid 1 voltage 100 V of second tetrode, grid 2 voltage 175 V), mA 38-85 Interelectrode capacitance, pF: input, at most 13-17 output, at most 5-9 transfer, at most 0.1 Output power, W, min: at anode voltage 400 V, grid 2 voltage at most 225 V, operating frequency 100-200 MHz 42 over 500 h of service 34 Limit Operating Values Heater voltage, V: with heaters connected in parallel 5.7-6.9 with heaters connected in series 11.3-13.8 Anode voltage, V 750 Grid 2 voltage, V 225 Dissipation, W: anodes 40 grid 2 7 grid 1 1- Envelope temperature, °C 175 Characteristic Curve Showing Anode Dissipation versus Ambient Temperature (at bulb temperature Tb 175 °C)

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