More about technology (449)

1-07-1993 | All I²C cards published so far in this magazine are normally powered by the 5 V supply in the PC via the 6-way DIN socket on the 12C PC...

1-07-1993 | Halogen lamps are rightly popular because they give a good light and have an excellent efficiency. Unfortunately, they tend to be costly....

1-07-1993 | The rectifier is intended to improve the bandwidth of most digital multimeters. It is based on a halfwave rectifier in a traditional set-...

1-07-1993 | The tester shows on a seven-segment, common-cathode display whether its input is logic 1 (H on the display) or Iogic 0 (L on the display). A...

1-07-1993 | This low-power UHF FM transmitter is intended for remote control applications such as garage doors and wireless alarm systems. lt is a si...

1-07-1993 | The European Community (EC) Directive 89/336 on electromagnetic compatibility (EMC) applies to radiocommunications equipment. Itwas belie...

1-06-1993 | Since the early 1890s, man has pioneered the technique of converting wind power into useful electricity. The development of engineering s...

1-04-1993 | Radiocommunications equipment forPMR or ISM applications is designed for narrow-band channels. In the majority of European countries this...

1-04-1993 | This is a stand-alone application of a stripped-down version of the 80C32 single-board computer. The cost of making a BASIC version of th...

1-03-1993 | In limited bandwidth circuits, any periodic or repeated waveform can more easily be made with square waves; the reason is that from a clo...