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 integrated circuit used is a dual 555 CMOS. The circuit is from an English documentation and...
A 3-input OR gate can be made with an LM3900 amplifier, as shown in the figure. The purpose of the...
We found this conventional power source with a regulating transistor in a 2002 documentation. The...