Found in a 1964 General Electric documentation, this circuit uses PUTs that are not currently common components. By changing the capacitors, the frequency can be changed.
This low frequency circuit was found in documentation from the 1980s. The values of R and C...
The 4528 is a dual-retriggerable monostable that needs only the timing network formed by R and C...
This ttransistor test was found in a 1987 documentation. It is a simple oscillator that allows to...