This study proposes a novel light-emitting diode (LED) driver circuit that stabilizes the lighting output without a photodiode. The LED driver circuit is composed of a self-alignment circuit to ...

Dr. Zia ul Haq is the author of the book ‘Nuclear Deterrence and Conflict Management Between India and Pakistan’. He is presently working as the Director of the Centre for Aerospace and ...

Transmission on mobile radio circuits is often affected by standlng-wave breakup" resulting from spatial variations in rf signal amplitude, which to the moving mobile unit appear as rapid fades.

Figure 3: Schematic diagram of the Main Board. IC3 is a TDA2822D Audio Amplifier by STMicroelectronics, whose output is sent to both the 6.3 mm L and R female mono output jacks and to the headphone ...

The PIC12F1822-based circuit Mini-Mute circuit. "Pushbutton S1 allows the circuit to learn the right mute command," he explained. "If it is pressed and held for a while, indicator LED D2 lights up and ...