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May 2005 [Test & Measurement] Make Ultrawideband OFDM Transmitter Measurements Ultrawideband (UWB) communications systems offer great promise of fast data rates and video transmissions without RF carriers. Based on short, time-sequenced pulses, these systems exhibit wide bandwidths, but considerable engineering challenges for reliable spectrum shaping. Engineering challenges also exist in testing UWB devices, since traditional test instruments are based on evaluating narrowband signals. Fortunately, with advances in RF signal generators, analyzers, and digital... January 2003 [Test & Measurement] Performing Bluetooth RF Radio Testing Bluetooth radio designs employ a number of system architectures, from conventional intermediate-frequency (IF)-based systems with analog modulation to digital in-phase/quadrature (I/Q) modulator/demodulator configurations. Currently, various forms... |
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