This circuit was found in the November 1966 issue of Electronics Now magazine. It uses an LDR as a sensor and has a Bargraph scale with the well-known LM3914.
We can implement this filter with more modern equivalent operational amplifiers, since the LM110 is...
We found this circuit in a 2005 documentation. The circuit allows the automation of a gate through...
The amplifier presented with the TDA2003 can provide a power of up to 10 W (rms) in a load of 2...