National Instruments 5761R User Manual

NI 5761R User Guide and Specifications 20 ni.com
Internal Sample Clock
General Characteristics
Oscillator type........................................................Fixed frequency synthesizer
Frequency...............................................................250 MHz
Reference spurs......................................................<70 dBc
Phase noise
10 kHz offset..................................................–100 dBc/Hz
100 kHz offset................................................–120 dBc/Hz
Clock distribution part number ..............................AD9512
1
; clock distribution
Reference clock sources.........................................Internal, External through the CLK IN connector, or
IoModSyncClk
2
Internal reference type ...........................................TCXO
Internal reference stability .....................................±1 ppm
Internal reference frequency ..................................10 MHz
CLK IN
General Characteristics
Number of channels ...............................................1, single-ended
Connector...............................................................SMA
Input impedance.....................................................50 Ω
Input coupling ........................................................AC
External Sample Clock
Input voltage range ................................................0.63 V
pk-pk
to 2.5 V
pk-pk
Input frequency range ............................................175 MHz to 250 MHz
Absolute maximum input.......................................±10 V DC, 3.1 V
pk-pk
AC
External Reference Clock
Input voltage range ................................................1.4 V
pk-pk
to 4.4 V
pk-pk
Input frequency range ............................................10 MHz
Absolute maximum input.......................................±10 V DC, 5 V
pk-pk
AC
External Trigger
General Characteristics
Number of channels ...............................................1, single-ended
Connector...............................................................SMA
Input impedance.....................................................50 Ω
Input coupling ........................................................DC
1
For additional information about the AD9512, refer to the Analog Devices device data sheet at www.analog.com.
2
IoModSyncClk is available only on the NI PXIe-796xR FPGA modules.

National Instruments 5761R Specifications

General

Brand	National Instruments
Model	5761R
Category	Control Unit
Language	English