This 4-transistor amplifier can work from 4.5 or 6 V power supplies. We found it in a Mullard transistors manual from 1960. The transistors are from the time.
This circuit shown in the figure produces a pulse of constant duration at its output, of the order...
Silicon Labs CSP Package EFM32™ Leopard Gecko 32-Bit MCUs are part of the world's most energy...
This circuit was suggested by Philips in an old publication. The coils, made with wire 14 to 16...