More about radio (328)

15-02-2012 | A tree-antenna, a duct tape-antenna or an entire wall turned into a transmitting device. The nano spray-on antenna technology of Chamtech En...

1-01-2012 | Not long after WW2 Philips, a leading tube manufacturer in the Netherlands, iin their famous Natuurkundig Laboratorium (‘NatLab’, in English...

12-07-2011 | Satellite signals, mobile phone communications, radio broadcasting. The air around us is full of artificial radio waves. Now, researchers ha...

1-12-2010 | Anyone with an interest in radio DX-ing whether it be long wave, VHF or anywhere in between are faced with the same questions: which aerial...

1-09-2010 | An important advantage of the Elektor DSP radio over other world receivers is the flexibility the user has to change its characteristics, bo...

1-07-2010 | Many radio amateurs in practice use two receivers, one portable and the other a fixed receiver with a PC control facility. The Elektor DSP r...

1-07-2010 | One solution for increasing the power of an amplifier running on a low-voltage supply, like a car radio powered from at best 14 V, is to use...

1-02-2010 | With increasingly sophisticated technology all the processes such as AM and FM demodulation, stereo decoding and RDS information recovery ca...

1-07-2009 | In the January 2009 issue of Elektor we saw how straightforward it is to connect a low-cost RFM12 868 MHz ISM (licence-free) radio module to...

1-04-2009 | The patient the author had to revive was a Telefunken model T 33 B RFS broadcast radio in a wooden cabinet, fitted with a turntable, and mad...