| EE JULY/AUGUST 1987 Some computers and communi- cation programs are unable to output serial data composed of 7 data bits and a parity bit. T...
| EE JULY/AUGUST 1987 Some computers and communi- cation programs are unable to output serial data composed of 7 data bits and a parity bit. T...
| 10 by R. Baltissen This interface circuit enables doing rather more than nor- mally possible with the com- puter"s serial (RS232) port. Seri...
| from an idea by M Wiegers Two simple to build 4-bit digital-to-analogue converters are described here. One trans- lates a 4-bit BCD code int...
| D/A CONVERTER FOR I/O BUS To further complete the range of plug-in I/O bus extensions, here is a programmable analogue output board Those ma...
| The converter proposed here (also called voltage-controlled current source) is based on just one opamp, and provides to, or draws from, grou...
| one-chip DC converter I 121 R =(Vour-1.2) Finally, the output current may, of course, be boosted by means of a medium power transistor in a...
| EE July/August 1986 13rms-to-DC converter For some obscure reason, estab- lishing the root-mean-square (rms) value of an alternating voltage...
| 72 This circuit offers impeccable monochrome images when driven by the digital RGB and sync signals of a high-resolution graphics card such...
| The single-trace type of oscilloscope is definitely one of the most widespread items of measuring equipment, and as such it is generally app...
| In circuits where two signal paths must be electrically isolated, use is often made of an opto-coupler. Unfor- tunately, these devices requi...