This transmitter power meter was found in the March 1999 issue of Electronics Now magazine. The circuit uses an analog indicator and does not require a power supply.
This ultra-low distortion driver was found in 80's Analog Devices documentation. The circuit has a...
This second-order filter was found in a documentation from the 90's. It can be implemented with...
This circuit goes into operation producing a sound on a small speaker when the supply voltage...