More about antenna (100)

1-07-2006 | At frequencies below 30 MHz or so, radio transmitters can normally be received over great distances because certain layers of the ionosphere...

1-07-2006 | Short-wave listeners often are not able to, or allowed to, install a long-wire antenna or other large dimension antenna in or around the hom...

1-02-2005 | Together with a good directional antenna this high performance two-stage antenna amplifier for the VHF FM broadcast band will enable you to...

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...

1-12-2002 | In the past, reception of utility stations at the low end of the radio spectrum typically required a suitable receiver or up-converter. Toda...

1-12-2000 | Specifications for receiver frontends, converters and detectors are generally very demanding. On the one hand they need to have high sensiti...

1-01-2000 | There’s nothing better than a long-wire antenna for shortwave reception, but not everyone has the necessary space. The active loop antenna d...

1-04-1999 | Although the adverts would have you think that you can use your mobile phone absolutely everywhere, probably every owner of a GSM phone...

1-09-1998 | The combination of a wire loop with the size of an A4 sheet, coupled to a carefully matched and easily tuned amplifier offers high-qua...

1-07-1998 | The circuit presented here illustrates the fact that in spite of all kinds of new component and technology, it is still possible to desi...