Mixing RF, digital and analog circuits on the same PCB
May 1, 2008
By Per Viklund and John Isaac A dynamic link integrates the PCB schematic and layout tool with RF design and simulation
tools, resulting in a solution that overcomes the shortcomings of the classic RF design...
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...
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....
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....
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....