This circuit was found in a 1968 General Electric documentation. It has an input impedance of 2 M ohms and excites a load of 16 ohms. The integrated circuit of the time is the PA237.
This astable NAND TTL provides complementary signals. The circuit must be powered with 5 V and...
Found in a publication for radio amateurs from the 1980s, this circuit amplifies signals in the 60...
This is one of the many 555 based car alarm circuits that we have on our website. We found it in a...