Telephone dialer (CB8521E)

Using an integrated circuit from the time, we found this configuration in a 90s Radio Electronics.

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Horticulture Lighting LEDs
June 2017 - Mouser Electronics has a broad line of Cree products for use in horticulture, such as...
Positive differentiator (CB20754E)
This differentiator for the positive front of the input signal can be elaborated based on any...
Self-biasing JFET circuit (CB25563E)
This JFET amplification stage was found in the April 1993 issue of Electronics Now. The input...