This circuit has a maximum frequency of 10 kHz and a linearity better than 0.01%. The circuit is from an 80's documentation making use of integrated of the time.
This circuit is very critical in the adjustment. The coil should have at least 1000 turns of fine...
By pressing and releasing PB1, only one LED is lit, drawing a number from 1 to 6, as in a die. The...
This electromyography monitor is from a 1978 publication on operational amplifiers. The components are...