We found this circuit in the Linear Applications Hanbook of the National Semiconductor in 1994. The semiconductors used are not very common today.
Launched in 2016 but with documentation reviewed in June 2017, the Texas Instruments TLV854x...
This circuit reverses the signal if both positive and negative. We found it in an American...
This circuit was found in a 1980s documentation. It decodes by identifying a certain frequency tone...