With the indicated components, this circuit oscillates at 1232 Hz. Consider the tolerance of the components. The circuit is from a 1974 Ferranti transistor manual.
This circuit was obtained from a Philips documentation from 1968. The transistors can be replaced...
The figure shows how to use the XR2206 to generate sinusoidal signals in a different way. The...
This headphone amplifier has good gain and high input impedance. The circuit is from Electronics Now and...