This circuit applies to any common operational, the time constant for the given values being 22 ms. The circuit must be powered by a symmetrical source.
This digital / analog converter shield is suggested by MOTOROLA and is based on an operational amplifier...
This circuit is from old documentation and can be assembled with 2N2646 for the unijunction and...
This three-transistor amplifier uses a JFET at the input to increase the input impedance. The...