More about RF (642)

1-02-2005 | As we all know, checkout gates in highstreet stores will faithfully sound an alarm if you walk out with an item not ‘cleared’ by checkout st...

1-02-2005 | Digital terrestrial television (DVB-T) is now available in many parts of the country. Of course, you need a DVB-T receiver and a (new) UHF T...

1-02-2005 | WiFi detectors are small gadgets that claim to detect wireless access points for computer networks. The effectiveness of these devices is al...

1-02-2005 | In line with this month’s focus on all things Wireless I am covering a vintage instrument that has given me many years of excellent service...

1-12-2004 | Since the introduction of the I2C bus in the eighties by Philips it has been used many times to provide a simple connection between a PC and...

1-10-2004 | It’s safe to say that every modern PC for home or office use has an internal soundcard. In general, the quality of the PC’s sound subsystem...

1-07-2004 | Here is a high performance RF amplifier for the entire VHF broadcast and PMR band (100-175 MHz) which can be successfully built without any...

1-07-2004 | Superheterodyne receivers have been mass-produced since around 1924, but for reasons of cost did not become successful until the 1930s. Befo...

1-07-2004 | In September 2002 we published a JTAG interface that was compatible with the programming software from Altera. Unfortunately, the software f...

1-07-2004 | Fans are usually monitored by measuring their operating currents. If the current lies within a certain range, it is assumed that the fan is...