This 1.5 A circuit has the output voltages adjusted by a selector switch. We found it in a Popular Electronics from the 90s. The integrated circuit must have a heat sink.
We found this circuit in the 1994 National Semiconductor Linear Applications Handbook. The circuit is...
This LED diode test is suggested by the Texas Instruments optoelectronics manual. The transformer current...
The frequency of the sound produced in the speaker depends on the light that falls on the...