This circuit was found in a Radio Electronics magazine from November 1991. The circuit operates at 2.2 MHz and has a low impedance output.
Texas Instruments TMP116 and TMP116N digital temperature sensors can be obtained from Mouser...
This circuit is suggested by Texas Instruments in his Optoelectronics Sourcebook. The transistors...
This voltage regulator circuit has 1 A of maximum current for a TIP32 and 500 mA for a BD136. The...