We found this circuit in a 1963 Radio Electronics. It can be used for remote control. The frequency depends on the coil and the power is supplied by a single battery.
We found this circuit without bounce in an Elektor from the 90s. The circuit can be used as a...
The circuit shown in the figure consists of a 200mA low voltage drop (LDO) regulator using the...
Hughes suggests this circuit in a 1968 documentation. The circuit uses old transistors that can be...