Found in 1969 Ferranti documentation, this small font is characterized by its low ripple. Transistors can be common for general use, due to the low operating current.
This circuit allows controlling a LASER pointer with an input logic signal. R has 10 ohm for 3 V...
A solution for using more than 6 channels in a tone-modulated system that uses LM567 as decoders, is to...
This circuit was obtained in an 1975 English publication. It is a voltage regulator circuit for...