JB
J.I. Bas
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The escalating demand for higher data rates in modern communication networks are pushing more transmitters and receivers to use a modulation technique with more spectral efficiency, like pulse amplitude modulation 4-level (PAM-4).
On the receiver side, phase detection for PAM-4 has proven to be difficult with most receivers using phase detection for non return to zero (NRZ) data. This neglects most transitions and thus some phase information is lost. This results in low bandwidth and jitter tolerance, which is a problem in noisy communication systems where it will lead to a high bit error rate (BER).
This thesis explores an integrated PAM-4 clock and data recovery (CDR) circuit utilizing a novel PAM-4 bang bang phase detector (BBPD) considering all data transitions. A digital oscillator with variable gain is used in order to achieve high jitter tolerance as-well as low jitter generation. at 24Gb/s the CDR consumes 8mW and generates 487fs of jitter. and has a 1UI at 30MHz. ...
On the receiver side, phase detection for PAM-4 has proven to be difficult with most receivers using phase detection for non return to zero (NRZ) data. This neglects most transitions and thus some phase information is lost. This results in low bandwidth and jitter tolerance, which is a problem in noisy communication systems where it will lead to a high bit error rate (BER).
This thesis explores an integrated PAM-4 clock and data recovery (CDR) circuit utilizing a novel PAM-4 bang bang phase detector (BBPD) considering all data transitions. A digital oscillator with variable gain is used in order to achieve high jitter tolerance as-well as low jitter generation. at 24Gb/s the CDR consumes 8mW and generates 487fs of jitter. and has a 1UI at 30MHz. ...
The escalating demand for higher data rates in modern communication networks are pushing more transmitters and receivers to use a modulation technique with more spectral efficiency, like pulse amplitude modulation 4-level (PAM-4).
On the receiver side, phase detection for PAM-4 has proven to be difficult with most receivers using phase detection for non return to zero (NRZ) data. This neglects most transitions and thus some phase information is lost. This results in low bandwidth and jitter tolerance, which is a problem in noisy communication systems where it will lead to a high bit error rate (BER).
This thesis explores an integrated PAM-4 clock and data recovery (CDR) circuit utilizing a novel PAM-4 bang bang phase detector (BBPD) considering all data transitions. A digital oscillator with variable gain is used in order to achieve high jitter tolerance as-well as low jitter generation. at 24Gb/s the CDR consumes 8mW and generates 487fs of jitter. and has a 1UI at 30MHz.
On the receiver side, phase detection for PAM-4 has proven to be difficult with most receivers using phase detection for non return to zero (NRZ) data. This neglects most transitions and thus some phase information is lost. This results in low bandwidth and jitter tolerance, which is a problem in noisy communication systems where it will lead to a high bit error rate (BER).
This thesis explores an integrated PAM-4 clock and data recovery (CDR) circuit utilizing a novel PAM-4 bang bang phase detector (BBPD) considering all data transitions. A digital oscillator with variable gain is used in order to achieve high jitter tolerance as-well as low jitter generation. at 24Gb/s the CDR consumes 8mW and generates 487fs of jitter. and has a 1UI at 30MHz.
FM Transceiver for Wireless Communication
Audio and Intermediate Frequency Amplifiers
Bachelor thesis
(2019)
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Ivor Bas, Victor Hoedemaker, Morteza Alavi, Masoud Babaie, Marco Pelk, Ioan Lager, Milos Cvetkovic
In this bachelor thesis the design process of the audio and intermediate frequency amplifiers for a wireless FM tranceiver is documented and explained. The project was done using only descrete components for educational purposes.
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In this bachelor thesis the design process of the audio and intermediate frequency amplifiers for a wireless FM tranceiver is documented and explained. The project was done using only descrete components for educational purposes.