This circuit is part of an oscilloscope project with the PC. Its purpose is to record a peak in a signal that is to be displayed. We found it in the Radio Electronics magazine of February 1990.
This sophisticated circuit is from old Motorola documentation, using common integrated devices...
This ultra-simple 9 V power source was obtained in an Argentine publication of the 1970s, but it...
Microsemi Le87536 Dual Differential Amplifier Microsemi / Microchip is making available through Mouser...