This circuit was found in the November 1974 Radio Electronics magazine. The voltage depends on the supply and the timings of R1 and R2 as well as C1 and C2.
This is the traditional voltage follower configuration with the 741 operational amplifier. The...
S The purpose of this circuit, found in a 1975 publication, is to suppress the noise that occurs when...
In the figure we have the way to trigger a 7555 CMOS monostable with a positive pulse. The time...