This transistor gain test was published in Radio Electronics magazine in July 1959. The transformer used is a special type common at the time. The circuit tests general-purpose transistors.
This remote listening device was found in documentation from the 50's. The transistors used are...
This circuit includes an AD converter for interfacing with a microprocessor and can be used as a...
The figure shows an anti-bounce circuit among many that can be found on our website and in our...