microwave triode tube Gi-7B - (NOS)
Russian Gi-7B (ГИ-7Б) microwave triode operates as an oscillator and an amplifier in continuous-wave or pulsed mode with anode modulation in the centimetric and decimetric wavelength ranges. Tubes are new, never used and in original polystyrene boxes. Produced in the the 70's.
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