This amplifier step for small signals can use any general-purpose transistor like the BC548. The circuit can be powered by voltages from 6 to 12 V.
This simple circuit that senses energy cables (alternating current) through the field produced was found...
This third-order filter was found in a 1975 publication. The circuit must be powered by a...
This circuit that also has a Power On reset was obtained from a 2005 Linear Technology manual. The...