This siren configuration found in a documentation from the 1980s can also be seen in many of our projects and in this circuit bank. Transistors are common, but Q2 can be of power for a higher voltage supply.
November 2016 - Texas Instruments' new TLV8802 nano-power operational amplifiers for wireless...
We found this circuit in a documentation from the 70s. Semiconductors are from the era and can be...
The circuit shown in the figure is a voltage follower, that is, an amplifier with unit gain. The...