Schmitt Trigger 7400 (CB22419E)

This low hysteresis circuit was obtained from old documentation. The circuit must be powered by a voltage of 5 V.

Phonograph Preamplifier LM381 (CIR25278E)
This preamplifier for magnetic cartridges was found in the February 1990 issue of Radio...
Simple switch with SCR (CB25059E)
This circuit is used to switch direct current loads such as a lamp, for example. Remember that...
Unijunction Triac Control (CB25861E)
This power control circuit was found in an article in the June 1995 Electronis Now magazine. The...