Found in 1967 Raytheon documentation, this circuit uses a company coupler consisting of a lamp and an LDR. The transistor is according to the load current.
Found in an Electronic Design from the 90s, this circuit generates a mathematical function given by the...
This oscillator generates a fixed frequency signal determined by C1 and C2. In the case of 1 nF,...
This amplifier for distributing audio signals appears in other articles on this website and even...