PDSP16350 Datasheet PDF - Mitel Networks Corporation I/Q Splitter/NCO Specs

PDSP16350 - I/Q Splitter/NCO

Datasheet Summary

Description

Data bus for the input register.

This input register provides a 34 bit, incremental or absolute, phase value, if the mode pin is low.

Features

s s s s s Direct Digital Synthesiser producing simultaneous sine and cosine values 16 bit phase and amplitude accuracy, giving spur levels down to - 90 dB Synthesised outputs from DC to 10 MHz with accuracies better than 0.001 Hz Amplitude and Phase modulation modes 84 pin PGA or 132 pin QFP Fig. 1 Block Diagram SIN COS.

Datasheet Details

Part number	PDSP16350
Manufacturer	Mitel Networks Corporation
File Size	314.36 KB
Description	I/Q Splitter/NCO
Datasheet	PDSP16350 Datasheet
Additional preview pages of the PDSP16350 datasheet.

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Full PDF Text Transcription

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PDSP16350 I/Q Splitter/NCO Supersedes version in December 1993 Digital Video & DSP IC Handbook, HB3923-1 DS3711 - 2.3 September 1996 PDSP16350 The PDSP16350 provides an integrated solution to the need for very accurate, digitised, sine and cosine waveforms. Both these waveforms are produced simultaneously, with 16 bit amplitude accuracy, and are synthesised using a 34 bit phase accumulator. The more significant bits of this provide 16 bits of phase accuracy for the sine and cosine look up tables. With a 20 MHz system clock, waveforms up to 10 MHz can be produced, with 0.001 Hz resolution. If frequency modulation is required with no discontinuities, the phase increment value can be changed linearly on every clock cycle. Alternatively absolute phase jumps can be made to any phase value.

Published: Mar 22, 2005 |