In this circuit of an old American documentation, the input impedance is the same as the output impedance. The circuit has a sensitivity of 1 Vpp at 75 ohms.
What differentiates this circuit from the previous one is the need for a much smaller current to...
This circuit allows the use of the multimeter to measure the dwell meter, a feature used in the...
Found in Popular Electronics from the 90s, this circuit can employ other low power audio...