Found in a 1968 Ferranti documentation, this circuit can be implemented with modern equivalent semiconductors. With the indicated components the load can be a lamp up to 1 A.
This is the receiver for the CB18476E, but it can be used with other transmitters found on the...
This circuit was found in Radio Electronics from the 90s. The CMOS integrated circuit is a PLL not...
This circuit was found in a 1990 Electronics World magazine. The circuit can be mounted today by...