More about technology (449)

1-01-1998 | When modems were young (a long time ago), they were used in teleprinter circuits at the sedate speed of 45.45 signals (also called elements...

1-01-1998 | We can only answer questions or remarks of general interest to our readers, concerning projects not older than two years and published in E...

1-01-1998 | We can only answer questions or remarks of general interest to our readers, concerning projects not older than two years and published in E...

1-12-1997 | EPROM and micrccontroller programmers are invariably provided with a ZIF socket to hold the component to be programmed. However, surface...

1-12-1997 | The isolator is intended to provide electrical isolation between a computer and the equipment connected to its serial port. For instance,...

1-12-1997 | In the testing of circuits, there is sometimes a need for the supply voltage to be switched on at a gjven time or in steps.

1-12-1997 | In electronics, there is often a requirement for a generator that provides variable-width pulses. Examples abound: stair lighting; time/...

1-12-1997 | The assemblies are suitable for the frequency range from 5 to 200 MHz. They can be used for RF input and oscillator circuits in radio equi...

1-11-1997 | The NH-3 is a hybrid humidity sensor whose output voltage to relative humidity is linearized. The sensitive element is a stable high polym...

1-09-1997 | Further to the information in this month's 'Extra' supplement which is entirely dedicated to valve technology for audio electronics, we rum...