This circuit was found in a 1969 Motorola documentation. The FET admits an equivalent. The circuit has high input impedance and is powered by voltages from 6 to 30 V.
Microchip's EQCO62X20 6.25Gbps Asymmetric Coax Equalizer is a driver/equalizer chipset that forms...
Found in a Hands On Electronics from the 80's this circuit allows the reading of low resistances in...
This circuit uses a CA3140, an operational amplifier with FETs in the input stages. Equivalent can be...