This circuit was published in an article in Electronics Now magazine in October 1995. The circuit includes a power supply. The power transistors are equivalent.
Microchip's EQCO62X20 6.25Gbps Asymmetric Coax Equalizer is a driver/equalizer chipset that forms...
When the sensor, an ordinary photo-transistor, receives light, the relay closes its contacts. The...
This input stage has unit gain but a high input impedance and low output impedance. The circuit is...