Indicated on an 80's Radio Electronics, this circuit provides at its output a voltage that is the peak value of the input voltage. The supply voltage must be higher than the expected peak.
High selectivity filters can be obtained by combining same frequency crystals in series as shown...
This amplifier obtained from Signetics documentation can operate with signals ranging from the...
This circuit, obtained from a 1989 publication, can control motors up to 1.5 A. With the LM350 this...