Although it uses a dual-channel FET, which is hard to find today, this circuit was released in a Radio Electronics issue in April 1986. It serves as a signal booster for a wide range of frequencies.
a This circuit was obtained from a 1978 Practical Wireless. It causes a low-power 1.5V lamp to...
This game consists of a variation of the Nerve-Test with the difference that errors are indicated...
This Power supply is intended to Power small loads with currents up to 30 mA. The voltage depends...