This circuit was obtained in a 90s Popular Electronics. It is used for tuning on AM radios. The field effect transistors used support equivalents.
We found this probe circuit for frequency meters up to 10 MHz with a sensitivity of 10 mV, which...
This circuit appeared in the November 1995 issue of Electronics Now magazine. The circuit uses...
This circuit is a shield for microcontrollers and computers drivind high power loads. In the...