This circuit is from Motorola's 1990 Linear Databook. The transistors allow equivalents and the output power depends on the supply voltage. The power supply must be 30 V symmetrical.
This circuit was suggested by Texas Instruments in a 1980s documentation. The transistor must be...
This Sample & Hold circuit configuration is from an American 1980s documentation. The circuit uses...
This configuration makes use of an LM3900 transconductance operational amplifier. The transistor can...