Single Pulse Generator (T1740E)

This benchtop equipment was found in Radio Electronics magazine from April 1960. The two double valve circuit is powered from mains power.

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Phase shift oscillator (CB20438E)
This circuit has a common configuration widely used in projects on this site. The transistor is...
Handbook of Electronics Formulas and Calculations - Volume 1
Author: Newton C. Braga Published:Aug, 2016 Formato:Book and e-Book Pages:...
Locking Touch Switch (CB1523E)
We find this circuit in an American publication of 1978. The integrated circuit is the CMOS 4013...