GS37
TRIODE
The GS37 triode is a frequency multiplier in the centimetric wavelength range.
GENERAL
Cathode: indirectly heated, oxidecoated.
Envelope: metalceramic.
Height: at most 28.7 mm.
Diameter: at most 15.4 mm.
Mass: at most 8 g.
OPERATING ENVIRONMENTAL CONDITIONS  
Vibration loads:  
frequencies, Hz  22,500 
acceleration, m/s²  98147 
Multiple impacts with acceleration, m/s²  735 
Single impacts with acceleration, m/s²  4,900 
Linear loads with acceleration, m/s²  980 
Ambient temperature, °C  60 to +100 
Relative humidity at +40 °C, %  9698 
BASIC DATA Electrical Parameters 

Heater voltage (AC or DC), V  6.3 
Heater current, mA  290350 
Anode voltage (DC), V  250 
Anode current (DC), mA  10 
Inverse grid current (at negative grid voltage 2 V, anode DC current 5 mA), µA, at most  2 
Oscillator power (at heater voltage 6.3 V), mW, at least  35 
Warm up time, s, at most  40 
Interelectrode capacitance, pF:  
input  23.2 
output, at most  0.01 
transfer  1.42.2 
Limit Operating Values  
Heater voltage, V:  
maximum  6.6 
minimum  6 
Maximum anode voltage (DC), V  300 
Grid voltage (DC), V:  
maximum  0 
minimum  20 
Maximum power delivered to anode, mW  2.5103 
Maximum grid dissipation, mW  100 
Maximum RF power delivered to cathodegrid tuned circuit (in frequency multiplication mode), mW  200 
Minimum power by the end of guaranteed life, mW  26 
Anode current, mA:  
maximum  12 
minimum  5 
Maximum grid current, mA  2 
Frequency, MHz:  
maximum  8,000 
minimum  6,500 
Maximum envelope temperature, °C  200 
Averaged Anode Characteristic Curves:
U_{f} = 6.3V
Averaged AnodeGrid Characteristic Curves:
U_{f} = 6.3V
Characteristic Curves Showing Output Power and Gain Coefficient versus Anode Current in Frequency Tripling Mode:
U_{f} = 6.3V; P_{in} = 200mW; L = 4.3cm;
_____ P(W);
_ _ _ K_{p}
Characteristic Curves Showing Output Power and Gain Coefficient versus Input Power in Frequency Tripling Mode:
U_{f} = 6.3V; U_{a} = 250V; I_{a} = 10mA; L = 1.3cm;
_____ P(W);
_ _ _ K_{p}