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PDSP16330 MC

Pythagoras Processor

Supersedes October 1995 version, DS3240 - 2.1

DS3240 - 3.1 November 1998

The PDSP16330 is a high speed digital CMOS IC that

converts Cartesian data (Real and Imaginary) into Polar form

(Magnitude and Phase), at rates up to 10MHz. Cartesian

16+16 bit 2's complement or Sign-Magnitude data is

converted into 16 bit Phase format. The Magnitude output may

be scaled in amplitude by powers of 2. The Phase output

represents a full 2 x

蟺

field to eliminate phase ambiguities.

Polyimide is used as an inter-layer dielectric and as

glassivation.

GC100

FEATURES

10MHz Cartesian to Polar Conversion

16-Bit Cartesian Inputs

16-Bit Magnitude Output

12-Bit Phase Output

2鈥檚 Complement or Sign-Magnitude Input Formats

Three-state Outputs and Independent

Data Enables Simplify System Interfacing

Magnitude Scaling Facility with Overflow Flag

Less than 400 mW Power Dissipation at 10MHz

100 pin CQFP Package

Fig.1 Pin connections - QFP Package

Rev

Date

A

B

C

D

FEB 1992 MAR 1993 OCT 1995 NOV 1998

ASSOCIATED PRODUCTS

PDSP16112

PDSP16116

PDSP16318

PDSP16350

PDSP16510A

16 X 12 Complex Multiplier

16 X 16 Complex Multiplier

Complex Accumulator

I/Q Splitter and NCO

Stand Alone FFT Processor

APPLICATIONS

Digital Signal Processing

Digital Radio

Radar Processing

Sonar Processing

Robotics

ORDERING INFORMATION

PDSP16330/MC/GC1R

(10MHz - QFP Package,

MIL-STD-883 Screening)

X15:0

Y15:0

CEX

CEY

16

16

16

蟺

FORM

MAGNITUDE

15

X

2

30

SIGN

SIGN

MAGNITUDE

15

Y

2

30

SIGN X

SIGN Y

X>Y

Y/X

9

/4

ARCTAN

ROM

9

+

32

2

2

X +Y

16

S0

ROTATE

12

SHIFT

S1

2

OEM

OEP

M15:0

OVR

P11:0

Fig.2 Block diagram

next

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