New gi-7B / gi-70BT tube. microwave triode.

New gi-7B / gi-70BT tube. microwave triode.

New GI-7BT metal-ceramic tube.
The GI-7B (GI-70B) 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.The triode is available in two variants differing in the type of cooling: the GI-7B with a heat sink for forced air cooling and the GI-70B with no heat sink for other systems of cooling.
Cathode: indirectly heated, oxide-coated.
Height: 110.5 mm with heat sink, 97 mm with no heat sink.
Diameter: 65 mm with heat sink.
Mass: at most 330 g with heat sink, 170 g with no heat sink.
OPERATING ENVIRONMENTAL CONDITIONS
Multiple impacts with acceleration, m/s² 343
Ambient temperature, °C -60 to +100
Relative humidity at up to +40 °C, % 98
BASIC DATA ELECTRICAL PARAMETERS
Mutual conductance (at anode voltage
1.2 kV, grid voltage change by 1 V,
anode current 150 mA), mA/V 20-26
Penetration factor (at anode voltage
1.3 kV, anode voltage change 200 V,
anode current 150mA), % 1.2-1.8
Operating point (negative grid voltage at
anode current 150 mA), V 12.5-7.5
Interelectrode capacitance, pF:
in CW operation (at anode voltage
wavelength 18.5cm), W, at least 30
in pulsed operation (at peak anode
voltage 9 kV, anode current 7.5 A,
wavelength 10 cm,1/pulse duty factor 1,
400-150, pulse duration 3-10 ?s),
Check our store for another tubes:
5C8S 6F3P 6K4P 6N1P 6N23P 6N3P 6N6P 6N8S 6N9S 6N9S 6P14P 6P33S 6P3S-E 6P45S 6S33S-V 6S41S 6S45P-E 6S4S 6ZH9P-E GI-7BT GM-70 GS-36B GU-74B IN-1 IN-14 IN-17 IN-2
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