Current from voltage and triode constant in vacuum triode¶

A triode has three electrodes: a cathode, an anode and one control grid. The triode can be replaced with an equivalent diode and the \(3/2\)-power law can be applied. The triode constant in this law depends only on the relative position, shape and size of the electrodes of the vacuum triode.

Links

StudFiles, formula after (1.15).

anode_current¶: Anode current.

Symbol:: I
Latex:: \(I\)
Dimension:: current

triode_constant¶: Triode constant which depends only on the relative position, shape and size of the electrodes of the vacuum triode.

Symbol:: g
Latex:: \(g\)
Dimension:: current/voltage**(3/2)

anode_voltage¶: voltage between cathode and anode.

Symbol:: U_a
Latex:: \(U_\text{a}\)
Dimension:: voltage

voltage_gain¶: Voltage gain in the triode. See circuit_gain.

Symbol:: gain_V
Latex:: \(\text{gain}_{V}\)
Dimension:: dimensionless

grid_voltage¶: voltage between cathode and grid.

Symbol:: U_g
Latex:: \(U_\text{g}\)
Dimension:: voltage

law¶

I = g * (U_a + gain_V * U_g)^(3/2)

Latex:: \[I = g \left(U_\text{a} + \text{gain}_{V} U_\text{g}\right)^{\frac{3}{2}}\]