This common circuit using operational amplifiers was found in the 1993 issue of Radio Electronics Special Projects. The circuit is sandwiched between the pickup and the amplifier input.
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...