This driver for audio signals using the TAA435 integrated circuit was found in Philips 1968 documentation. The integrated circuit is difficult to obtain today.
We found this circuit in the Texas Instruments optoelectronics manual. Field effect transistors can be...
This is a bridge for the measurement of low value resistances and high values too. The circuit...
This circuit for incandescent lamps was found in an American documentation from the 80s. The...