This power stage with two transistors was found in Radio Electronics magazine from October 1963. The transistors must be equipped with heatsinks and the supply voltage is 12 V.
April 2017 - The new Alps UGMZ2AA Bluetooth communication modules can be found on Mouser...
Texas Instruments TMP116 and TMP116N digital temperature sensors can be obtained from Mouser...
This circuit was obtained in an old Linear Technology documentation by applying to the monitoring of...