Virtual Valve Museum

Virtual Valve Museum

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CV1137 / VR137 / 10E/394 triode

Size The valve measures 70x36mm overall and has a B9G base.

The prototype for this valve is RL16.

Heater voltage 6.3V
Heater current 0.43A
Max anode voltage 400V
Max anode dissipation 7.5W
Mutual conductance (Va=250V;
Anode impedance 9500 ohm
Amplification factor 60
Max operating frequency 300MHz
Cae 2.7pF
Cge 5.3pF
Cag 2.6pF


Pin Function
1 Heater
2 Grid
3 Cathode
4 Anode
5 n/c
6 n/c
7 n/c
8 n/c
9 Heater

One use of this was as an oscillator in the well-known RF26/27 plug-ins for the R1355 GEE navigation receiver.


Internal construction