All items tagged with Heat and power (6)

1-12-1999 | Apart from the sun, solar power systems cannot work without a reflow protection diode between the solar panel and the energy store. When c...

1-05-1999 | Most domestic amplifiers are cooled solely by convection, but it may happen that a standard heat exchanger does not provide adequate...

1-12-1998 | The pulser is intended to switch the mains voltage on and off at intervals between just under a second and up to 10 minutes. This is use...

1-07-1992 | Although newer types of solar cell have come to the fore recently, amorphous cells are bound to be with us for some time to come, mainly...

1-07-1990 | A standard voltage regulator Type 7805 is inexpensive and easily available, but its maximum current of 1 A can at times prove a handicap....

1-07-1990 | The tiny a.f. power amplifier presented here provides an output of up to 250 mW and may be used in a number of applications, for instance,...