We found this circuit in an article in Electronics Now magazine from November 1997. The circuit uses two transistors to measure the temperature difference between them when one receives the wind.
We find this circuit in American documentation from the 1980s. The accuracy of the circuit depends on the...
The presented circuit uses a symmetrical power source to supply an amplifier with the LM139 or...
High quality sound can be obtained from this transistor amplifier. The output transistors must be...