More about technology (449)

1-12-1995 | The monitor, based on Philips Components' Type TEA1041T, enables a check to be kept on the power supply lines of a battery-operated appli...

1-09-1995 | Letters from our readers.

1-09-1995 | Letters from our readers.

1-09-1995 | Letters from our readers.

1-09-1995 | Letters from our readers.

1-09-1995 | Letters from our readers.

1-07-1995 | A Bessel filter has a fairly constant transit time (delay) over the pass band, but its amplitude characteristic starts to fall off rather...

1-07-1995 | A small quartz clock that is powered by a 1.5 V battery provides a simple means of determining the capacity of a NiCd battery. The circui...

1-07-1995 | The Linkwitz-Riley crossover network is known for its homogenous performance and constant amplitude. The transfer is identical to that of...

1-07-1995 | Even with a good frequency meter, it is well-rugh impossible to set two frequencies to a fraction of a hertz. It can, however, be done w...