Description: GK-71Glass generator pentode.Designed to amplify and generate high-frequency vibrations.Registration - glass, with a socle.Working position - vertical, anode up.Cooling is natural.Durability not less than 1000 h.Weight no more than 320 g. Main technical parameters of GK-71:at Un=20 V, Ua=1500 V, Uc2=400 V, Uc3=50 V, Ia=250 mAFilament current: 3 ±0.3 AReverse current of the 1st grid (at Ia=83 mA): no more than 30 μAAnode current (at Uc=350 V and Uc1=50 V): not less than 35 mAEmission current (at U=180 V): no more than 900 mASlope (at Uа= 600 V, Iа=150 and 200 mA): 4.2 ±0.7 mA/VGain coefficient for the 1st grid relative to the 2nd (at Ua=750 V, Uc2=300 V, Ia=130 mA): 5 ±1Oscillatory power (with negative voltage of the 1st grid 100 V, excitation voltage 215 V): not less than 250 WOscillatory power (at Un=18 V, negative voltage of the 1st grid 100 V, excitation voltage 215 V, Ia=250 mA and frequency 20 MHz): not less than 200 WInsulation resistance between electrodes, not less than: 20 MΩInterelectrode capacitances, pF: - grid-cathode 18 ±4 - anode-cathode 17 ±7 - grid-anode 0.15Limiting performance characteristics of GK-71:Filament voltage: 18-22VAnode voltage: 1500V2nd Grid Voltage: 400VAnode power dissipation: 125 WPower dissipated by the 2nd grid: 25WOperating frequency: 20MHzAmbient operating temperature range: from -60 to +70 С
Price: 30.37 USD
Location: kirovohrad
End Time: 2025-02-06T14:28:32.000Z
Shipping Cost: 21 USD
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Item Specifics
Restocking Fee: No
Return shipping will be paid by: Seller
All returns accepted: Returns Accepted
Item must be returned within: 60 Days
Refund will be given as: Money back or replacement (buyer's choice)
Brand: ULYANOVSK
Type: Vacuum Tube
Model: GK-71
MPN: Does Not Apply
