2Pcs. GU-19-1 ГУ-19-1 Generator Double Beam Tetrode New NOS similar to QQV06-40

QTY-2 Pcs similar to QQV06-40

NEW / NOS with Original packing. 1981 all same date

The GU-19-1 double tetrode is used as an oscillator, power amplifier, frequency multiplier and modulator tube in RF equipment.

Cathode: indirectly heated, oxide-coated.
Envelope: glass, with base.
Height: at most 100 mm.
Diameter: at most 40 mm.
Mass: at most 100 g.

OPERATING ENVIRONMENTAL CONDITIONS
Vibration loads:
frequencies, Hz 1-200
acceleration, m/s² 49
Multiple impacts with acceleration, m/s² 392
Relative humidity at up to 35 °C, % 98

BASIC DATA Electrical Parameters
Heater voltage, V:
with series connection 12.6
with parallel connection 6.3
Heater current, A:
with series connection 0.75-0.95
with parallel connection 1.5-1.9
Mutual conductance (at anode voltage 350 V, grid 2 voltage 250 V, grid 1 changing voltage
of first tetrode and grid 1 voltage 100 V of second tetrode, anode current 40 mA), mA/V, at least 4
Anode current (at anode voltage 350 V, grid 2 voltage 250 V, grid 1 voltage 17 V of first tetrode, grid 1 voltage 100 V of second tetrode), mA 18-75
Output power at 500 MHz (at anode voltage 350 V,
grid 2 voltage 250 V, voltage 55 V of grids 1,
grid 2 currents not above 26 mA, anode current
240 mA), W, at least 40
Interelectrode capacitance, pF:
input 7.5-12.5
output 2.8-4.2
transfer, at most 0.8

Limit Operating Values
Heater voltage (AC or DC), V:
with series connection 11.4-13.8
with parallel connection 5.7-6.9
Anode voltage (DC), V 750
Grid 2 voltage (DC), V 250
Cathode-heater voltage (DC), V 100
Cathode current (DC component), mA 280
Dissipation, W:
anode 40
grid 2 - 60
grids 1 - 1.0
Operating frequency, MHz 500
Bulb temperature, °C 250

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