Diverse well describes the myriad digital modulation schemes used in modern voice and data communications. The alphabet soup of terminology extends well beyond the familiar QAM and GMSK fundamentals ...
The author is president of Omnia Audio in Cleveland. The FM stereo transmission system employed in worldwide broadcasting has been in place since 1961. The rules governing stereophonic performance ...
CATALOG DESCRIPTION: Digital modulation, complex baseband signaling, multicarrier modulation, sequence estimation, the Viterbi algorithm, probability of error ...
Palo Alto, Calif.—Test-and-measurement supplier Agilent Technologies Inc. is rolling out a combination of products that tightly integrate digital signal capture of Agilent's logic analyzers with the ...
Overcoming the issues of DC offset in Direct Conversion for Software Defined Radios. Modulation is a process by which characteristics of a high-frequency carrier signal are altered to convey ...
Testing transceiver and converter interfaces requires orthogonal in-phase and quadrature (IQ) analog signals; that is, the phase relationship of the two must be very close to a 90-degree phase offset, ...
In an ideal world, a 16-bit, 20 GSamples/s digital-to-analog converter (DAC) would generate accurate RF signals for a variety of modern communications protocols. However, ASICs with this kind of ...
Modulation is the process of varying a higher frequency carrier wave to transmit information. Though it is theoretically possible to transmit baseband signals (or information) without modulating it, ...
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