This driver for audio signals using the TAA435 integrated circuit was found in Philips 1968 documentation. The integrated circuit is difficult to obtain today.
This circuit generates clear signals in harmonics that can be used for testing mid-wave radios. The...
We found this circuit in Texas Instruments documentation from 1986. The circuit produces a...
This circuit using an Unijunction Transistor produces a 240 Hz saw tooth signal. The frequency...