The circuit presented is from the Motorola Linear Databook of 1990. The integrated circuit is a transconductance operating and the power supply need not be symmetrical.
This sensitive motion sensor with inductive sensor was found in a 90s Elektor. The circuit uses only...
This circuit extends the scale of a milliammeter. We found it in a documentation from the 60's. The...
This VCO with the CMS 4046 was found in the August 1994 Electronics Now magazine. The frequency is...