GI23B
TRIODE
The GI23B triode generates and amplifies RF oscillations in pulsed operation with anode modulation in the decimetric wavelength range.
GENERAL
Cathode: indirectly heated, oxidecoated.
Envelope: metalceramic.
Cooling: forced air.
Height: at most 113 mm.
Diameter: at most 65 mm.
Mass: at most 380 g.
OPERATING ENVIRONMENTAL CONDITIONS  
Vibration loads:  
frequencies, Hz  51,000 
acceleration, m/s²  98 
Multiple impacts with acceleration, m/s²  735 
Single impacts with acceleration, m/s²  1,470 
Linear loads with acceleration, m/s²  490 
Ambient temperature, °C  60 to +100 
Relative humidity at up to +40 °C, %  9598 
BASIC DATA Electrical Parameters 

Heater voltage (AC or DC), V  12.6 
Heater current, A  2.32.6 
Heater voltage (DC), kV  1.3 
Anode current, mA  110200 
Mutual conductance, mA/V  2636 
Inverse grid current, µA, at most  50 
Penetration factor, %  12 
Peak output power (at peak anode voltage 10 kV, peak anode current 12 A, wavelength at most 28.8 cm, pulse duration 315 µs), kW, at least  40 
Interelectrode capacitance, pF:  
input  1418 
output, at most  0.16 
transfer  5.56.5 
Limit Operating Values  
Heater voltage (AC or DC), V  11.913.3 
Peak anode voltage, kV  14 
Anode dissipation, W  300 
Grid dissipation, W:  
with thermocurrent about 5 mA  25 
neglecting thermocurrent  10 
Peak anode current (DC component), A  15 
Pulse duration, µs  15 
1/duty factor, at least  200 
Resistance in grid circuit, kOm  10 
Temperature, °C:  
anode heat sink  160 
anode end face  200 
grid lead  200 
cathode lead  120 
ceramic parts  250 
Standard Operating Conditions  
Heater voltage, V  12.6 
Peak anode voltage, kV  10 
Peak anode current, A  12 
Pulse duration, µs  10 
Peak output power, kW  40 
1/duty factor  1,000 
Wavelength,cm  28 
Characteristic Curves Showing Output Power and Efficiency versus Voltage in Pulsed Operation