Sundance SMT390-VP User Manual
Page 14
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.