This circuit is from a Radio Electronics magazine from May 1986. Observe the voltages applied to the capacitors, taking care that the capacitor under test can withstand them.
This old configuration of an audio amplifier has a push-pull two-transistor output stage. Output...
This bandpass filter has a simple feedback system. The component values can be calculated using the...
This hysteresis comparator was found in the 1994 National Semiconductor Linear Applications...