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2 analogue section of the mezzanine card, 1 main analogue characteristics – Sundance SMT791 User Manual

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4.2 Analogue Section of the Mezzanine Card

4.2.1 Main Analogue Characteristics

The main analogue characteristics of the SMT391 are listed in the following table:

Analogue inputs

Input voltage range

0.5Vp-p

Impedance

50

Ω - terminated to ground

Analogue Bandwidth

ADC Bandwidth: 1500MHz

RF Transformer: 500kHz to 1.5GHz (AC

Coupled)

RF Transformer: 500kHz to 1.0GHz (DC

Coupled)

External sampling clock inputs

Signal format

LVPECL

Frequency range

Up to 1000 MHz

External trigger inputs

Signal format

LVPECL

Frequency range

Up to 250 MHz

SMT391 Output

Output Data Width

8-Bits

Data Format

Binary

ADC Performance @ FS = 1 GSPS, FIN = 500 MHz (from Atmel datasheet)
Spurious Free Dynamic Range (SFDR)

-57dBc

Signal to Noise and Distortion (SINAD)

45dB

Effective Number Of Bits (ENOB)

7.1 Bits

Total Harmonic Distortion (THD)

-55dB

Cross-talk channel I versus channel Q (Cr)

FIN = 250 MHz, FS = 1 GHz

< -65dBc

Table 1: Main analogue features


User Manual SMT791

Page 10 of 10

Last Edited: 12/10/2010 09:52:00