MAX5894_08 Datasheet, PDF(23/32 Page) Maxim Integrated Products – 14-Bit, 500Msps, Interpolating and Modulating Dual DAC with CMOS Inputs

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MAX5894_08 Datasheet, PDF (23/32 Pages) Maxim Integrated Products – 14-Bit, 500Msps, Interpolating and Modulating Dual DAC with CMOS Inputs

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14-Bit, 500Msps, Interpolating and Modulating

Dual DAC with CMOS Inputs

FILTER

INPUT

SIGNAL

IMAGE

RESPONSE

SPECTRUM

AND FIRST

FILTER

RESPONSE

2fS

3fS

4fS

5fS

6fS

7fS

OUTPUT

SPECTRUM

OF THE

FIRST

FILTER

SIGNAL

INPUT

SPECTRUM

AND

SECOND

FILTER

RESPONSE

SIGNAL

IMAGE

2fS

3fS

4fS

5fS

6fS

7fS

IMAGE

FILTER

RESPONSE

2fS

3fS

4fS

5fS

6fS

7fS

OUTPUT

SPECTRUM

OF THE

SECOND

FILTER

SIGNAL

IMAGE

2fS

3fS

4fS

5fS

6fS

7fS

SIGNAL

OUTPUT

LOWER

SIDEBAND

UPPER

SIDEBAND

IMAGE

SPECTRUM

OF THE

MODULATOR

2fS

3fS

4fS

5fS

6fS

7fS

FOR COMPLEX MODULATION THE MODULATION SIGN (BIT 1, ADDRESS 01h) SELECTS UPPER OR LOWER SIDEBAND

INPUT

SPECTRUM

AND THIRD

FILTER

RESPONSE

SIGNAL

IMAGE

FILTER

RESPONSE

2fS

3fS

4fS

5fS

6fS

7fS

NO INTERPOLATION

8fS

2x INTERPOLATION

8fS

4x INTERPOLATION

8fS

OUTPUT

SPECTRUM

OF THE

THIRD

FILTER

SIGNAL

IMAGE

8x INTERPOLATION

2fS

3fS

4fS

5fS

6fS

7fS

8fS

Figure 12. Spectral Representation of 8x Interpolation Filter with fIM/4 Modulation and Highpass Mode Enabled (Output Frequencies

are Relative to the Data Input Frequency, fS)

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