Low power, giga speed programmable divider in 0.18 m CMOS
Jul 1, 2006
By Girish N. Jadhav This article will focus on the design and simulation of a new programmable divider architecture for use in the 2.412 GHz to 2.484 GHz frequency bands....
A general measurement technique for determining RF immunity
Oct 1, 2005
By Arpit Mehta This article describes a generalized technique to measure the RF
immunity of a circuit. It defines a standard and structured test methodology
aimed at establishing adequate repeatability of the test results for
qualitative analysis....
Increasing the speed of testing GSM/EDGE mobile phone power amplifiers
May 1, 2005
By Roland Minihold, Rohde & Schwarz Munich, Germany Testing is one of the critical operations necessary to ensure that GSM/EDGE mobile phones meet their required specifications. Consequently, reducing this...
Why tiny sensors with single-chip wireless platforms are flourishing
Mar 1, 2005
By Bar-Giora Goldberg A miniature, integrated radio-sensor network in a cube less than 1-inch square is
a technology whose time has come. It is essential to understand the special
requirements imposed on RF devices operating on a tiny silicon die....
Log-amp performs advanced RF measurements
Mar 1, 2005
By Ken Yang The basic purpose of a logarithmic amplifier is to convert an RF input signal to an output voltage proportional to the log of RF power....
Low-pass filter achieves high rejection up to 20 GHz
Jan 1, 2005
Implementing a 21-section cascaded Butterworth filter in its proprietary low-temperature, co-fired ceramic technology and combining it with a novel...
Power supply and ground design for WiFi transceiver
Nov 1, 2004
By Roger Bremer, Tracey Chavers, Zhongmin Yu A solid RF layout requires careful planning of board stack-up, power supply routing, supply bypassing, and grounding. These techniques, along with correct placement of filter components, can address PLL spurs as demonstrated by an IEEE-902.11a/g transceiver reference design....
Steering safer wheels for America's motorists
Jun 1, 2004
By Tejas Desai, Ken Chance and Takashi (Ted) Ozawa Driven by vehicle safety regulations and customer demand, tire pressure
monitoring systems continue to evolve. With this need, innovative solutions
are being developed to overcome RF and battery design challenges to
cost-effectively provide the best tire safety system functions....
