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MICROWAVE TRIODE GI-7B With Cooler The GI-7BT (GI-70BT) triode is used for continuouswave or pulsed operation with anode modulation, as an oscillator and an amplifier. The triode is available in two variants differing in the type of cooling: the GI-7BT with a heat sink for forced air cooling and the GI-70BT with no heat sink for other systems of cooling. Cathode: indirectly heated, oxide-coated. Envelope: metal-ceramic with ring leads of cathode, heater and grid. Height: at most 110.5 mm with heat sink, 97 mm with no heat sink. Diameter: at most 65 mm with heat sink, 47 mm with no heat sink. Mass: at most 330 g with heat sink, 170 g with no heat sink. KP - cathode and heater; P - heater; C - grid; A - anode OPERATING ENVIRONMENTAL CONDITIONS Multiple impacts with acceleration, m/s² Relative humidity at up to +40 °C, % Mutual conductance (at anode voltage 1.3 kV, grid voltage change 1 V, anode current 150 mA), mA/V Penetration factor (at anode voltage 1.3 kV, anode voltage change 200 V, anode current 150mA), % Operating point (negative grid voltage at anode voltage 1.3 kV, anode current 150 mA), V Interelectrode capacitance, pF: in CW operation (at heater voltage 11.6V, anode voltage 1.05 kV, anode current 300 mA, wavelength 18.5 cm), W, at least in pulsed operation (at heater voltage 12.6 V, peak anode voltage 9 kV, peak anode current 7.5 A, wavelength 10 cm), kW, at least Output power over 650 h of service (at heater voltage 11.6V, anode voltage 1.05 kV, anode current 300 mA, wavelength 18.5 cm), W, at least instantaneous value in CW operation DC voltage in continuous operation CW operation, instantaneous value DC component under conditions of class В instantaneous value under conditions of class В without modulation Anode current (DC component in pulsed Resistance in grid circuit, kOm Averaged Anode-Grid Characteristic Curves in Pulsed Averaged Characteristic Curves Showing Oscillator Output Power versus Anode Voltage in ContinuousWave Generation: (We do not proofread any ads submitted by members) |
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