EDN

QPSK Modulator

For the QPSK modulator shown in the figure above, construct the truth table, phasor diagram, and constellation diagram. In Figure 2, it can be seen that with QPSK, each of the four possible output ...
Electronic Design

QPSK Demodulator Is A Good Match For Low-Cost Modulator

This demodulator is suitable for the quadrature phase-shift keying (QPSK) modulator previously published by the same author, "Novel Low-Cost QPSK Modulator Needs No Adjustments" (electronic design, ...
Electronic Design

Novel Low-Cost QPSK Modulator Needs No Adjustments

Eliminating software adjustments in circuits based on digital logic improves robustness and reduces cost for small-production-run series. This circuit is a cost-improved version of classical QPSK ...
Business Wire

GigOptix Reinforces 100Gbps Leadership at OFC/NFOEC; First Demo of Quad Driver and Polymer Modulator Bundle, as the Core for Next Gen Small Form Factor 100Gbps Transceiver, and ...

SAN JOSE, Calif.--(BUSINESS WIRE)--GigOptix, Inc. (NYSE MKT: GIG), a leading supplier of advanced semiconductor and optical communications components, today announced that it will be showcasing its ...
TechRepublic

Implementation of Digital QPSK Modulator by Using VHDL/MATLAB

The modulators are the basic requirement of the communication systems they are designed to reduce the channel distortion & to use in RF communication hence many type of carrier modulation techniques ...
AOL

GigOptix Reinforces 100Gbps Leadership at OFC/NFOEC; First Demo of Quad Driver and Polymer Modulator

GigOptix Reinforces 100Gbps Leadership at OFC/NFOEC; First Demo of Quad Driver and Polymer Modulator Bundle, as the Core for Next Gen Small Form Factor 100Gbps Transceiver, and Active Optical Cable ...