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 static switch or electronic contactor was found in a 1968 Motorola publication. The triac...
This circuit allows you to read resistors up to 20 M ohms, converting it into voltage. The circuit is...
This circuit measures the power of a transmitter being sandwiched between the antenna output and the...