Figure 4-1.
A tetrode circuit and characteristic.
6.
If the plate voltage in a tetrode circuit is kept greater than a
certain minimum value, large variations in plate voltage will have
little effect on the value of plate current. In this circuit, this
minimum value of plate voltage is approximately
a.
5 volts.
c.
100 volts.
b.
50 volts.
d.
125 volts.
160
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