Development of a low-cost piezoresistive compass on CMOS
This paper presents the design and the prototyping of a low-cost monolithic CMOS compass.
The system is based on a pair of piezoresistive cantilevers actuated by the Lorenz force. A …
The system is based on a pair of piezoresistive cantilevers actuated by the Lorenz force. A …
Design approach of a low-jitter DDS-like frequency synthesizer using mixed-mode signal processing
HC Chen - 2011 First International Conference on Robot, Vision …, 2011 - ieeexplore.ieee.org
In many digital communication systems, the reconfigurable clock is necessary and important,
however, using the conventional direct digital frequency synthesizer (DDS) as a pulse or …
however, using the conventional direct digital frequency synthesizer (DDS) as a pulse or …
A 100 MHz DDS with synchronous oscillator-based phase interpolator
A synchronous oscillator-based phase interpolator is used to lower spurious tones of a 100
MHz 16 b DDS. The synchronous oscillator locked-loop produces an eight-phase clock with …
MHz 16 b DDS. The synchronous oscillator locked-loop produces an eight-phase clock with …
Design of a micromachined CMOS compass
This paper presents the design of a low-cost monolithic CMOS microcompass. The system is
based on a cantilever actuated by the Lorenz force. Conditioning circuitry has been …
based on a cantilever actuated by the Lorenz force. Conditioning circuitry has been …
Design of a high-precision DDS-based configurable clock generator
HC Chen - IEICE transactions on electronics, 2008 - search.ieice.org
Configurable clock is necessary for many applications such as digital communication
systems, however, using the conventional direct digital frequency synthesizer (DDS) as a …
systems, however, using the conventional direct digital frequency synthesizer (DDS) as a …
[PDF][PDF] Multimedia Technology [M]
W Chen, GM Chen, YD Jou - 2006 - researchgate.net
Untitled Page 1 Page 2 Multimedia Technology Performance Evaluation of the Unified Pulse-Replacement
(UPR) Algorithm for 3GPP-AMR 12.2k Speech Coder ........................................................................................................320 …
(UPR) Algorithm for 3GPP-AMR 12.2k Speech Coder ........................................................................................................320 …
Low cost and low jitter DDS-like frequency synthesizer
HC Chen - 2007 IEEE Conference on Electron Devices and …, 2007 - ieeexplore.ieee.org
Reconfigurable clock is necessary for many applications such as digital communication
systems, however, using the conventional direct digital frequency synthesizer (DDS) as a …
systems, however, using the conventional direct digital frequency synthesizer (DDS) as a …
[PDF][PDF] A low spurious-level direct digital synthesizer using pre-charging integration for frequency control
HC Chen - Proc. 2006 CACS Automatic Control Conference, 2006 - researchgate.net
Using the conventional direct digital fre-quency synthesizer (DDS) as a pulse or clock
generator for frequency control may cause jitter problems. People usually employ phase …
generator for frequency control may cause jitter problems. People usually employ phase …
A novel ROM-less architecture for Direct Digital Frequency Synthesizer based on Linear Neural Networks
GC Karthikeyan, K Lakshmanan… - … on Innovations in …, 2015 - ieeexplore.ieee.org
In Conventional Direct Digital Frequency Synthesizer, the presence of ROM results in large
size and complexity. Some DDFS is based on a mathematical series which also has some …
size and complexity. Some DDFS is based on a mathematical series which also has some …
Shaping of non linearity in direct digital frequency synthesizer-An approach by Genetic algorithm
U Dinesh, M Hariharan… - … Conference on Advances …, 2014 - ieeexplore.ieee.org
Even though the hardware complexity is reduced and precision is increased in the DDFS,
the obtained signal is in no match with the ideal signal. This is because of the non-linearity …
the obtained signal is in no match with the ideal signal. This is because of the non-linearity …