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Sundance SMT390-VP User Manual

Page 14

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Version 2.4

Page 14 of 55

SMT390-VP User Manual

Inputs and outputs main characteristics

The main characteristics of the SMT390 are gathered into the following table.

Analogue inputs

Input voltage range

11dBms – Full scale (twice for Half Scale)
AC coupled.

(Scale selection via control register)

Impedance

50

Ω - terminated to ground – single ended

Bandwidth

ADC bandwidth: 700 MHz.

Input RF transformer: 800MHz.

External sampling clock inputs

Format

Single ended or differential (3.3V PECL) –
AC coupled.

Frequency range

40-210 MHz

External Trigger inputs

Format

Single ended or differential (3.3 V PECL) –
DC coupled.

Input Voltage range

1.4 Volts peak-to-peak minimum

Frequency range

105 MHz maximum

SMT390 Output

Output Data Width

12-Bits

Data Format

2’s Compliment or offset binary

(Changeable via control register)

SFDR

Up to 68dB (80dB is the maximum
provided by Analogue Devices)

SNR

Up to 56dB (65dB is the maximum
provided by Analogue Devices)

Maximum Sampling Frequency

210 MHz.

SMT390 On-board reference crystal

(used by clock synthesizer)

Frequency

16MHz

Frequency stability over

temperature

+/-50ppm typical

Part number

Raltron AS-SMD series

(AS-16.000-18-SMD)

Figure 3 - Main features.