4046 Narrow-Range VCO (CB25755E)

We found this circuit in the August 1994 issue of Electronics Now. The 4046 is unusual today. The circuit operates from 60 Hz to 1.4 kHz.

Low Frequency Astable (CB470E)
The astable multivibrator shown by the figure can produce signals in the 10 to 10 000 Hz band...
Microcontroller SE C1000 Intel® Quark ™ (COM051E)
August 2016 - Mouser Electronics is supplying the microcontrollers IF C1000 Intel Quark that...
Locked Output Detector (CB4814E)
We found this circuit in a Popular Electronics of the 90s. Its purpose is to detect when it locks...