This interesting digital counter with relays with complementary outputs was found in the Radio Electronics magazine of October 1961. The supply voltage is in accordance with the relays used.
This traditional oscillator configuration with NAND TTL gates can generate signals up to 20 MHz,...
Author: Newton C. Braga Published:Aug, 2016 Formato:Book and e-Book Pages:...
Found in Popular Electronics, this '90s circuit generates harmonic-rich signals for testing audio...