AD9857AST Analog Devices Inc, AD9857AST Datasheet - Page 14

• Manufacturer Part Number: AD9857AST
• Description: IC QUADRATURE DGTL UPCONV 80LQFP
• Manufacturer: Analog Devices Inc
• Series: AD9857r

Specifications of AD9857AST

• Rohs Status: RoHS non-compliant
• Function: Upconverter
• Frequency: 5MHz ~ 200MHz
• Rf Type: HFC Cable Network
• Package / Case: 80-LQFP

AD9857
OUTPUT CONSTELLATIONS
200m/DIV
200m/DIV
200m/DIV
CONST
CONST
CONST
–1
–1
–1
1
1
1
–1.3071895838
–1.3071895838
–1.3071895838
Figure 15. GMSK Modulation, 13 MS/s
Figure 13. QPSK, 65 MHz, 2.56 MS/s
Figure 14. 64-QAM, 42 MHz, 6 MS/s
1.30718958378
1.30718958378
1.30718958378
Rev. C | Page 14 of 40
200m/DIV
200m/DIV
CONST
CONST
–1
–1
1
1
–1.3071895838
–1.3071895838
Figure 16. 16-QAM, 65 MHz, 2.56 MS/s
Figure 17. 256-QAM, 42 MHz, 6 MS/s
1.30718958378
1.30718958378