This low-frequency sine wave oscillator was found in the December 1995 issue of Electronics Now magazine. The two-transistor circuit is a Wien or Vienna bridge operating at 1 kHz.
If the reader needs to monitor a voltage and does not want an expensive or sophisticated solution. In...
Found in a Popular Electronics from the 80's, this bridge allows the measurement of resistances in 5...
Found in old documentation, this meter has a high voltage inverter for the Geiger tube. The...