More about antenna (99)

1-01-2013 | This end-fed or “Zepp” or “J-Pole” antenna provides excellent results in combination with the scanner for the aviation band (108–137 MHz) de...

1-05-2012 | As this series shows, the popular AVR microcontroller can be used for digital signal processing tasks. In this instalment we will look at a...

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...

1-02-2011 | A portable navigation system often suffers from poor reception when used inside a car. This can easily be improved with the help of an activ...

1-11-2010 | The antennas presented in this article were designed for a frequency of 2.45 GHz. This frequency is within the 2.4 GHz ISM band (Industrial,...

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...

1-07-2008 | The current consumption of the amplifier in an active TV antenna is typically between 20 mA and 50 mA. This current (at +5 V) can easily be...

1-07-2007 | Radio equipment using the license-free 2.4-GHz ISM (industrial/scientific/medical) band is also rife among robotics fans, just think of what...

1-12-2006 | The domestic use of WLANs has grown rapidly as DSL routers with built-in wireless Ethernet have become available, and now it is easy to use...

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...