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1. www.comm.utoronto.ca › ~dkundur › course_infoCostas Receiver and Quadrature-Carrier Multiplexing

   www.comm.utoronto.ca › ~dkundur › course_info

   Quadrature Amplitude Multiplexing (QAM): (a.k.a quadrature-carrier multiplexing) amplitude modulation scheme that enables two DSB-SC waves with independent message signals to occupy the same channel bandwidth (i.e., same frequency channel) yet still be separated at the receiver. 3.5 Quadrature-Carrier Multiplexing.

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2. en.wikipedia.org › wiki › Costas_loopCostas loop - Wikipedia

   en.wikipedia.org › wiki › Costas_loop

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   A Costas loop is a phase-locked loop (PLL) based circuit which is used for carrier frequency recovery from suppressed-carrier modulation signals (e.g. double- sideband suppressed carrier signals) and phase modulation signals (e.g. BPSK, QPSK ). It was invented by John P. Costas at General Electric in the 1950s.

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   Can a Costas loop detect BPSK?

   • The Costas loop presented in this work can sense both 0 ̊ and 180 ̊ phases at its input. Thus the Costas loop carrier recovery circuit overcomes the 180 ̊ phase ambiguity presented by the conventional PLL. The designed Costas loop for BPSK detection is able to detect and demodulate data rates up to 50Mbps. The loop can track with in the VCO

   Costas PLL Loop System for BPSK Detection - Wright State University

   corescholar.libraries.wright.edu/cgi/viewcontent.cgi?article=2002&context=etd_all

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   What is a Costas loop?

   • A Costas loop is a phase-locked loop (PLL) based circuit which is used for carrier frequency recovery from suppressed-carrier modulation signals (e.g. double- sideband suppressed carrier signals) and phase modulation signals (e.g. BPSK, QPSK ). It was invented by John P. Costas at General Electric in the 1950s.

   Costas loop - Wikipedia

   en.wikipedia.org/wiki/Costas_loop

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   What is a Costas loop carrier recovery circuit?

   • Thus the Costas loop carrier recovery circuit overcomes the 180 ̊ phase ambiguity presented by the conventional PLL. The designed Costas loop for BPSK detection is able to detect and demodulate data rates up to 50Mbps. The loop can track with in the VCO frequency range of 1.99GHz to 2.01GHz.

   Costas PLL Loop System for BPSK Detection - Wright State University

   corescholar.libraries.wright.edu/cgi/viewcontent.cgi?article=2002&context=etd_all

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   Can a Costas loop circuit be used for high-frequency signals?

   • The analysis of stability and numerical simulation of Costas loop circuits for the high-frequency signals is a challenging task. The problem lies in the fact that it is necessary to observe very fast time scale of input signals and slow time scale of signal’s phases simultaneously.

   Simulation of Analog Costas Loop Circuits | Machine Intelligence Resear…

   link.springer.com/article/10.1007/s11633-014-0846-x

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4. www.sciencedirect.com › science › articleTutorial on dynamic analysis of the Costas loop - ScienceDirect

   www.sciencedirect.com › science › article

   Jan 1, 2016 · Costas loop is a classical phase-locked loop (PLL) based circuit for carrier recovery and signal demodulation. The PLL is an automatic control system that adjusts the phase of a local signal to match the phase of the input reference signal. This tutorial is devoted to the dynamic analysis of the Costas loop.

   • Author: Roland E. Best, Nikolay V. Kuznetsov, Nikolay V. Kuznetsov, Gennady A. Leonov, Marat V. Yuldashev, R...

   • Publish Year: 2016

5. corescholar.libraries.wright.edu › cgi › viewcontentCostas PLL Loop System for BPSK Detection

   corescholar.libraries.wright.edu › cgi › viewcontent

   The Costas loop presented in this work can sense both 0˚ and 180˚ phases at its input. Thus the Costas loop carrier recovery circuit overcomes the 180˚ phase ambiguity presented by the conventional PLL. The designed Costas loop for BPSK detection is able to detect and demodulate data rates up to 50Mbps. The loop can track with in the VCO

   • Author: Rajesh Kumar Keregudadhahalli

   • Publish Year: 2008

6. link.springer.com › article › 10Simulation of Analog Costas Loop Circuits | Machine ...

   link.springer.com › article › 10

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   Mar 17, 2015 · The analytical method for the computation of phase detector characteristics of Costas loops is described. The analysis of stability and numerical simulation of Costas loop circuits for the high-frequency signals is a challenging task.

   • Author: Roland E. Best, Nikolay V. Kuznetsov, Gennady A. Leonov, Marat V. Yuldashev, Renat V. Yuldashev

   • Publish Year: 2014

7. www.researchgate.net › publication › 308084085Tutorial on dynamic analysis of the Costas loop - ResearchGate

   www.researchgate.net › publication › 308084085

   Sep 1, 2016 · Costas loop is a classical phase-locked loop (PLL) based circuit for carrier recovery and signal demodulation. The PLL is an automatic control system that adjusts the phase of a local signal to...

8. www.renesas.com › us › enDigital Costas Loop Features - Renesas Electronics Corporation

   www.renesas.com › us › en

   • Lock Detector • Data Quality and Signal Level Measurements • Cartesian-to-Polar Converter • 8-Bit Microprocessor Control - Status Interface • Designed to Work With the HSP50110 Digital Quadrature Tuner • 84 Lead PLCC • Pb-Free Available (RoHS compliant) Applications • Satellite Receivers and Modems