D. Prabakaran (8)

1-07-2004 | Given favourable radio wave propagation, the shortwave and radio amateur band are chock-a-block with SSB (single-sideband) transmissions, wh...

1-07-2004 | This is a simple NiCd battery charger powered by solar cells. A solar cell panel or an array of solar cells can charge a battery at more tha...

1-07-2004 | Here is a high performance RF amplifier for the entire VHF broadcast and PMR band (100-175 MHz) which can be successfully built without any...

1-07-2004 | The 32-kHz low-power clock oscillator offers numerous advantages over conventional oscillator circuits based on a CMOS inverter. Such invert...

1-07-2004 | By configuring a comparator and a transistor to control the oscillator in a charge pump circuit, you enable the pump to generate a regulated...

1-12-2003 | Tiny white LEDs are capable of delivering ample white light without the fragility problems and costs associated with fluorescent backlights....

1-07-2003 | An EL lamp is a solid state, low power, uniform area light source. Because of its thin profile (as thin as 0.3 mm) and the fact that it can...

1-07-2003 | Here is a very simple, inexpensive and interesting project which provides lot of fun to a home experimenter or hobbyist. This simple transmi...