GS-23B Power HF-UHF Tetrode.
The GS-23B Coaxial power tetrode generates and amplifies power at up to 1000 MHz in RF equipment. P out>1500W up 1000 MHz.
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And this exclusive tube is worthy this price.
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Cathode: indirectly heated, oxide-coated.Envelope: metal-ceramic. Cooling: forced air. Height: at most 120 mm(4,7"). Diameter: at most 90 mm(3,5"). Mass: at most 1.1 kg (2,51 Lbs).
Heater voltage, V 6.3 Heater current, A 5.3-6.1
Mutual conductance (at anode voltage 1.25 kV, grid 2 voltage 400 V, anode current 0.9 A), mA/ V 40-70
Power gain (at anode voltage 2.1 kV, grid 2 voltage 400 V, anode current 1 A, heater voltage 5.7 V), at least 8
Cutoff voltage (at anode voltage 1.25 kV, grid 2 voltage 400 V, anode current 10 mA), V, at most 65
Interelectrode capacitance, pF: input 28-38 output 9.5-13.5
Transfer, at most 0.025
Cathode heating time, s, at most 210
Output power (at anode voltage 2.1 kV
grid 2 voltage 400 V
anode current 1 A,
heater voltage 5.7 V),
Limit Operating Values:
Heater voltage, V 5.7-7.0
Anode voltage, kV: DC voltage with tube cut off 3.0 peak value 3.5
Grid 2 voltage (DC), V 500
Negative grid 1 voltage (DC), V 150
Cathode current (r. m. s. value), A 1.9
Dissipation, W: anode 1600W grid2 12W grid1 1.5W
Operating frequency, MHz 1000
Temperature at anode, stem and seals,?C 200
Grid 1 voltage, V: maximum 0 minimum -100
anode current, A 0.24
Grid 2 current, mA: maximum 10 minimum -10
Grid 1 current, mA: maximum 40 minimum 0
Maximum drive power, W 12 Minimum oscillator output power, W 112.5
Minimum wavelength, cm 30
Maximum temperature at envelope and leads, ?C 200
See Svetlana Technical data:
See K5GW 432 MHz EME PA