Design and Implementation of a DDFS using Sum of Weighted Bit Products: Digital Frequency Synthesis - Softcover

Majid, Abdul; Waheed Malik, Abdul

 
9783838300702: Design and Implementation of a DDFS using Sum of Weighted Bit Products: Digital Frequency Synthesis
Softcover
ISBN 10: 383830070X ISBN 13: 9783838300702
Verlag: LAP LAMBERT Academic Publishing, 2010

Inhaltsangabe

Direct Digital Frequency Synthesis (DDFS) is a method of producing an analog waveform by generating a time-varying signal in digital form, succeeded by digital-to-analog reconstruction. Different control words are used by the DDFS system in order to generate different frequencies. The control word is successively added to the previous value in a 20-bit accumulator. Nine most significant bits out of these twenty bits are used for the DAC. HCMOS 9 (130 nm) ST Microelectronics process is used by employing high speed NMOS and PMOS transistors. The bit products (control signals) are computed by using complementary static CMOS logic which then act as control signals for the current sources after passing through D-flip flops. Practical design issues of current sources and parts of digital logic were studied and implemented using the Cadence full-custom design environment

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Über die Autorin bzw. den Autor

Mr. Abdul Majid and Mr. Abdul Waheed Malik have completed theirMS from Linköping University Sweden in Year 2009. Presently theyare doing their PhD at Mid Sweden University Sundsvall.

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Verlag
LAP LAMBERT Academic Publishing
Erscheinungsdatum
2010
Sprache
Englisch
ISBN 10 
383830070X
ISBN 13 
9783838300702
Einband
Taschenbuch
Anzahl der Seiten
64
Kontakt zum Hersteller
Nicht verfügbar
Verantwortliche Person
Editions Muse
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