In this phase shift circuit, the transistor can be any general-purpose transistor. The circuit is from an Electronics Now issue of June 1993.
Using a 4046 PLL this circuit generates rectangular signals in three wavebands that depend on the...
The basis of this circuit is a National Semiconductor operational amplifier that functions as a...
We show only one of the channels of an excellent audio preamplifier with the LM382 integrated...