General Electric suggests this circuit in an 80's documentation. The circuit makes use of PUTs that are not common components today. Note the timing components that may change.
This three-transistor amplifier uses a JFET at the input to increase the input impedance. The...
Suggested by National Semiconductor in documentation from the 90s, this circuit makes use of an...
This circuit can generate signals from 80 to 800 Hz with an amplitude of 0.3 V. We find it in a...