Sundance SMT712 - Manual (Page 79)

User Manual SMT712 Page 79 of 89 Last Edited: 11/12/2012 10:36:00
4.6.3
External Signal characteristics
The main characteristics of all external signals of the SMT712 are gathered into the
following table.
Analogue Outputs
Output voltage range AC coupled option. AC coupled via RF transformer.
DACs Maximum Output Power -2.6dBm (50R)
Impedance 50
Ω
.
Output Bandwidth
Minimum 1500MHz depending on the frequency
response mode set.
External Reference Input
Input Voltage Level 1-3.3 Volts peak-to-peak (AC-coupled)
Input Impedance 50
Ω
(Termination implemented at the connector)
Frequency Range 0 – 100 MHz.
External Reference Output
Output Voltage Level 1.6 Volts peak-to-peak (AC-coupled)
Output Impedance 50-Ohm (Termination implemented at the connector)
External Sampling Clock Input
Input Voltage Level 0.5 – 3.3 Volts peak-to-peak (AC-coupled)
Input Impedance To be connected to a 50-Ohm source
Input Format Single-ended.
Frequency range 960 (Firmware limitation)-2300 MHz
External Trigger Inputs
Input Voltage Level
0-3.3 Volts peak-to-peak (Schmidt Trigger).
Low : 0 -> 3.3/2 Volts
High : 3.3/2 -> 3.3Volts
Format DC-coupled and Single-ended
Frequency range Sampling Clock/8 maximum (MHz)
DACs Input Format
Input Data Width 12-Bits
Data Format Offset Binary
SFDR 58-75dBs maximum (manufacturer fugures)
Wideband Noise-spectral Density Up to -162dBm/Hz maximum (manufacturer figures)
Minimum Sampling Clock 10 MHz
Maximum Sampling Frequency 2300 MHz
Figure 17 – Main Characteristics.