Indicated for discriminators adjustment in FM and VHF receivers, this circuit was found in a 90s 73 magazine for radio amateurs. The operational amplifier can be a general-purpose type.
This CMOS circuit divides the frequency of a rectangular signal up to 2 MHz by 6. The supply...
PIC16F19197 Microcontroller Family Combines Battery-Friendly LCD Drive with Core Independent...
This source draws a fixed constant current of 1 mA using a Norton operational amplifier. Other...