Direct-sequence UWB signal generation and measurement
Nov 1, 2004
By Peter Cain This article discusses how to generate and measure ultra-wideband signals to design and test the performance of radio receivers handling UWB signals. A number of novel techniques, such as pulse shape recovery and frequency measurements on sub-nanosecond pulses, are described using modern test equipment....
Medium impedance RF probe is rugged and wideband
Oct 1, 2004
By Bryan Irons Arugged, low-cost RF probe can be made from materials readily available in the lab. This probe is useful for making relative measurements while troubleshooting...
Accelerating the Design and Verification Process
Aug 1, 2004
By Greg Jue Several factors must be taken into consideration when creating a signal in
simulation and downloading the simulated signal to an RF signal generator's
arbitrary waveform generator....
Hand-held instruments aid shipboard RF measurements
Aug 1, 2004
By Steve Thomas Of all the environments in which microwave measurements are made, those performed aboard Navy ships provide some of the most daunting challenges. In addition...
The importance of Fast, Economical Testing for RFIC PAs, Mobile Phones
Jun 1, 2004
By Robert Green and Jerry Janesch Testing of RFIC power amplifier and mobile phone handsets are approaching
10 percent of per-unit cost. Minimizing test time by combining today’s intelligent
instruments, manufacturers can significantly increase testing throughput, thus
garnering a substantial competitive advantage....
Versatile signal source analyzer performs multiple tests
Jun 1, 2004
From simple crystal oscillators to YIG-tuned resonators and frequency synthesizers, RF and microwave signal sources require an extensive battery of tests...
IEEE 802.11 Spectral Measurements Using Vector Signal Analyzers
Jun 1, 2004
By Jerry Archambault and Shravan Surineni The vector signal analyzer is fast becoming the instrument of choice for RF
designers working on advanced digital communications systems. They can
perform many of the same measurement and characterization tasks as the
spectrum analyzer, with the added ability to perform many useful digital
demodulation functions....
Phase-coherent test system for multireceiver applications
May 1, 2004
By John Hutmacher Testing of receivers and baseband algorithms in phased-array radars and other multireceiver systems has long been a complicated and expensive process....
Characterizing [S]-parameters of 75 circuits with 50 lab equipment
Apr 1, 2004
By James Liu and Brian Whitaker Engineers working with cable, terrestrial or satellite TV applications are frequently required to make S-parameter measurements on these circuits. But...
Broadband channel simulator for robust satellite link designs
Apr 1, 2004
By Jack Anderson In the real estate market, there are three priorities: location, location and location. In the broadband satellite communications arena, the top three...
Single test instrument eases WLAN Tx/Rx analysis
Mar 1, 2004
To offer an order of magnitude improvement over conventional instruments in conducting radio layer measurements on WLAN devices in production or during...
Synthetic instrumentation: An emerging technology (Part I)
Feb 1, 2004
By Mike Granieri A synthetic instrument (SI) synthesizes the stimulus and/or measurement functionality found in traditional instruments by using a combination of core...
