The cut-off frequency of the circuit shown in the figure is 750 Hz, with the components used. The circuit applies to almost any operational amplifier and the power supply must be symmetrical.
The gain for this circuit is given by the ratio R1/R2. The circuit must be powered from a dual...
The coil is formed by 70 + 5 turns of 6 to 30 AWG wire on a 1 cm to 10 cm ferrite core. The...
A binary counter until 2" or a divide-by-the same value can be built by cascading n 4013...