This circuit of old medical documentation generates pulses in a ratio of 20 to 300 and duration of 3 ms. The circuit has biomedical applications and can use modern equivalent components.
The purpose of this circuit, which we found in the November 1986 Radio Electronics issue, is to...
This circuit was found in an 80's Electronic Design. The frequency depends on the crystal and the...
This switching regulator circuit with less than 100 mV ripple was found in a 1980s documentation. The...