GS-17B

TETRODE

The GS-17B tetrode generates and amplifies RF oscillations in the frequency range 1,000 MHz.

GENERAL
Cathode: directly heated, carbonized thoriated tungsten.
Envelope: metal-ceramic with ring
leads of cathode and grids.
Cooling: forced air.
Height: at most 205 mm.
Diameter: at most 162 mm.
Mass: at most 6.6 kg.

BASIC DATA Electrical Parameters
Filament voltage (AC or DC), V	3.4
Filament current, A	148-172
Resistance of unheated cathode, 0	about 0.0025
Anode current (at anode voltage 1 kV, grid 2 voltage 0.6 kV), A, at least	2.5
Grid 2 current (at anode voltage 1 kV, grid 2 voltage 0.6 kV), A, at most	0.4
Negative grid 1 cutoff voltage (absolute value) (at anode voltage 5 kV, grid 2 voltage 0.8 kV, anode current 0.1 A), V, at most	170
Mutual conductance (at anode voltage 2 kV, grid 2 voltage 0.8 kV, anode currents 2 and 4 A), mA/V	55
Gain coefficient (grid 1 -grid 2) (at anode voltage 2 kV, grid 2 voltages 0.8 and 0.6 kV, anode current 2 A)	7.5-10.5
Power gain	5
Oscillator output power, kW, at least	4.6
Interelectrode capacitance, pF:
input	55-60
output	21-24
transfer, at most	0.05

Limit Operating Values
Filament voltage (AC or DC), V:
maximum	3.5
minimum	3.1
Maximum filament starting current, A	240
Maximum anode voltage (DC), kV	5.5
Maximum grid 2 voltage (DC), kV	1
Maximum instantaneous grid 1 voltage (absolute value), V	-500
Dissipation, W:
anode	1.0x104
grid 2	100
grid 1	50
Maximum operating frequency, MHz	960
Maximum temperature, °C:
anode	250
bulb, stem and metal-to-ceramic seals	150

Averaged Characteristic Curves:
U_f = 3.4V; U_g2 = 0.8kV;
_____ anode;
_ _ _ grid 2-anode;
_ . _ grid 1-anode

Averaged Characteristic Curves:
U_f = 3.4V; U_g2 = 1 kV;
_____ anode;
_ _ _ grid 2-anode;
_ . _ grid 1-anode

Averaged Characteristic Curves:
U_f = 3.4V; U_g2 = 0.8kV;
_____ anode-grid;
_ _ _ grid 2

Averaged Characteristic Curves:
U_f = 3.4V; U_g2 = 1kV;
_____ anode-grid;
_ _ _ grid 2

Averaged Grid 1 Characteristic Curves:
U_f = 3.4V; U_g2 = 0.8kV

Averaged Grid 1 Characteristic Curves:
U_f = 3.4V; U_g2 = 1kV

Main Menu | All Types | Contact Us | Order Form | Warranty | Quality | Company Profile