This circuit was found in a Electronics World of 1968. The integrated circuit is the MC1320P from Motorola, uncommon today.
This circuit was found in Philips documentation from 1965. No information was given about the...
This sophisticated decade of benchtop resistors was found in the November 1989 issue of Radio...
This configuration based on a conventional astable multivibrator was found in a 1982 publication. The...