Found in a 90s Electronic Engineering, this circuit generates sinusoidal signals that depend on the capacitors. The potentiometer adjusts the generated signal symmetry.
This circuit for analogue TV was found in an American 1980s documentation. The transistor can be any RF...
The diagram shows a simple way to adjust a 7805 to have output voltages up to 12 V. The circuit is from...
It can be obtained from Mouser Electronics the new LM290xAQ operational amplifiers from Diodes...