This circuit that has a response from 10 Hz to 700 kHz was found in Philips documentation from 1968. Dual transistors can be replaced by matched pairs.
This 600 kHz circuit is designed to locate a lost boat anchor. The circuit has a range of up to 10...
This circuit was obtained from an Auguist 1974 Everyday Electronics magazine. The circuit is still...
Toshiba MOSV MOSFETs These and others from the same line of Toshiba power MOSFETs are available from...