GS30
TRIODE
The GS30 triode is used as a RF oscillator in the frequency range from 400 to 1,500 MHz.
GENERAL
Cathode: indirectly heated, oxidecoated.
Envelope: metalceramic.
Cooling: air.
Height: at most 45 mm.
Diameter: at most 25.8 mm.
Mass: at most 30 g.
A  anode; C  grid; KP  cathode and heater; P  heater
OPERATING ENVIRONMENTAL CONDITIONS  
Vibration loads:  
frequencies, Hz  11,000 
acceleration, m/s²  98 
Multiple impacts:  
acceleration, m/s²  1,470 
impact duration, ms  10 
Single impacts:  
acceleration, m/s²  4,900 
impact duration, ms  10 
Linear loads with an acceleration of, m/s²  2,940 
Ambient temperature, °C  60 to +125 
Relative humidity at +35 °C, %  98 
BASIC DATA Electrical Parameters 

Heater voltage (AC or DC), V  6.3 
Heater current, A  0.81.2 
Mutual conductance (at anode voltage 450 V, anode current 50 mA), mA/V, at least  20 
Output power (at anode voltage 500 V, anode current 110 mA, wavelength 30 cm), W, at least  20 
Interelectrode capacitance, pF:  
input  5.58.5 
output, at most  0.05 
transfer  2.53.2 
Limit Operating Values  
Heater voltage, V  66.6 
Maximum anode voltage, V  550 
Dissipation, W:  
anode  40 
grid  0.8 
Maximum drive power, W  2.5 
Maximum anode current, mA  110 
Maximum grid current, mA  60 
Maximum warm up time, s  60 
Operating frequency, MHz:  
maximum  1,500 
minimum  400 
Maximum temperature at envelope, °C  200 
Averaged AnodeGrid Characteristic Curves:
U_{f} = 6.3V;
_____ anode;
_ _ _ anodegrid
Averaged AnodeGrid and Grid Characteristic Curves:
U_{f} = 6.3V;
_____ anodegrid;
_ _ _ grid
Averaged Characteristic Curves for Oscillation Mode:
U_{f} = 6.3V; L = 30 cm;
_____ oscillator output power (P);
_ _ _ efficiency (n)
Averaged Characteristic Curves for
Amplification Mode:
U_{f} = 6,3V; P = 1,5W; L =30 cm;
_____ oscillator output power (P);
_ _ _ efficiency n
Characteristic Curves Showing
Gain Coefficient versus Anode Current:
U_{f} = 6.3V; P = 1.5W; L = 30 cm