National Instruments Graphics Tablet NI PXI 5621 User Manual

NI PXI-5621 SPECIFICATIONS  
High-Speed Digitizer  
The NI PXI-5621 is a DC-coupled 64 MS/s 14-bit high-speed digitizer.  
Except for its DC coupling, the PXI-5621 is functionally identical to the  
PXI-5620. Refer to the NI PXI-562x User Manual for instructions on  
installing and using your NI PXI-5621.  
The NI PXI-5621 specifications are warranted at 0–50 °C ambient unless  
otherwise specified, and include a 10 minute warm-up time from ambient  
conditions.  
General Specifications  
Number of channels ............................... 1  
Resolution .............................................. 14 bits  
Sample rate range................................... 1 kS/s to 64 MS/s  
Onboard memory  
Not using DDC ............................... 32 MS  
Using DDC (complex data) ............ 16 MS  
Input  
Signal level  
Nominal .......................................... 0 dBm ( 0.316 Vp)  
Full-scale......................................... +10 dBm ( 1.000 Vp)  
Max with dither enabled ................. +8 dBm ( 0.794 Vp)  
Non-operating  
Max input level........................ +20 dBm ( 3.16 Vp)  
Max DC input voltage ............. 3.0 V  
Input impedance..................................... 50 nominal  
Coupling................................................. DC  
National Instruments™, NI™, and ni.com™ are trademarks of National Instruments Corporation. Product and company  
names mentioned herein are trademarks or trade names of their respective companies. For patents covering  
National Instruments products, refer to the appropriate location: Help»Patents in your software, the patents.txt file  
on your CD, or ni.com/patents.  
October 2002  
323398B-01  
ni.com  
© 2002 National Instruments Corp. All rights reserved.  
 
Amplitude  
Typical Results  
–70.00  
–80.00  
–90.00  
–100.00  
–110.00  
–120.00  
–130.00  
–140.00  
0.0  
5.0M  
10.0M  
15.0M  
20.0M  
25.0M  
32.0M  
Frequency (Hz)  
Figure 1. Noise Density (Dither Disabled, Input Terminated)  
Average noise density  
(dither off).............................................. <129 dBm/Hz  
Signal-to-noise ratio  
9 dBm signal, full bandwidth.......... >62 dB  
Harmonic distortion (single tone, 0 dBm signal;  
includes aliased harmonic distortion)  
415 MHz, dither enabled .............. <77 dBm  
032 MHz, dither disabled.............. <71 dBm  
© National Instruments Corporation  
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NI PXI-5621 Specifications  
 
Typical Results  
0.00  
10.00  
20.00  
30.00  
40.00  
50.00  
60.00  
70.00  
80.00  
90.00  
100.00  
110.00  
30.5M 30.6M 30.7M 30.8M 30.9M 31.0M 31.1M 31.2M 31.3M 31.4M 31.5M  
Frequency (Hz)  
Figure 2. Intermodulation Distortion  
Intermodulation distortion  
(2-tone, 0 dBm signals, 200 kHz separation)  
415 MHz, dither enabled...............<86 dBm  
032 MHz, dither disabled ..............<78 dBm  
Residual responses (input terminated)....<75 dBm  
NI PXI-5621 Specifications  
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Typical Results  
0.20  
0.10  
0.00  
0.10  
0.20  
0.30  
0.40  
0.50  
0.60  
0.70  
0.80  
0.0  
2.5  
5.0  
7.5  
10.0 12.5 15.0 17.5 20.0 22.5 25.0 27.5 30.0 32.0  
Frequency (MHz)  
Figure 3. Frequency Response (0.132 MHz)  
Frequency response (425 MHz)  
Relative (to response at 15 MHz) ... < 0.25 dB  
Absolute.......................................... < 0.6 dB  
Absolute (using calibration table)... < 0.5 dB  
© National Instruments Corporation  
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NI PXI-5621 Specifications  
 
Phase  
Typical Results  
20.00E9  
18.00E9  
16.00E9  
14.00E9  
12.00E9  
10.00E9  
8.00E9  
6.00E9  
4.00E9  
2.00E9  
0.00E+0  
2.00E9  
0.0E+0  
5.0E+6  
10.0E+6  
15.0E+6  
20.0E+6  
25.0E+6  
32.0E+6  
Frequency (Hz)  
Figure 4. Group Delay versus Frequency  
Group delay variation  
(525 MHz) ............................................9 nspkpk  
Group delay variation  
(0.530 MHz) .........................................26 nspkpk  
DDC  
Decimation rate.......................................324,096  
DDC tuning resolution............................0.014901 Hz  
NI PXI-5621 Specifications  
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Triggering  
Modes..................................................... Immediate, software, digital  
Sources................................................... PFI 1, PXI<0..7>, PXI STAR  
Export..................................................... PFI 1, PXI<0..7>  
Slope....................................................... Rising, falling  
Pretrigger depth...................................... Up to 32 MS  
Posttrigger depth .................................... Up to 32 MS  
Minimum pulse width ............................ 100 ns  
External Trigger (PFI 1)  
PFI 1 connector ...................................... SMB male  
Trigger level........................................... TTL  
Max input voltage .................................. 5.5 V  
External Frequency Reference Input  
Connector (REF CLK IN)...................... SMA female  
Impedance .............................................. 50 nominal  
Input amplitude ...................................... 5 to +15 dBm  
Max non-operating input level............... +20 dBm  
Max DC input voltage............................ 3.5 VDC  
Frequency range..................................... 10 MHz 40 ppm  
Crosstalk from reference input............... <85 dB  
Calibration  
Calibration interval ................................ 1 year  
© National Instruments Corporation  
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NI PXI-5621 Specifications  
 
Environmental Specifications  
Warm-up time.........................................10 minutes  
Operating environment  
Ambient temperature.......................050 °C  
Humidity..........................................1090%, noncondensing  
Storage environment  
Storage temperature.........................20 to 70 °C  
Humidity..........................................595%, noncondensing  
Maximum altitude...................................2,000 meters  
Pollution Degree.....................................2  
Indoor use only  
Power Requirements  
+3.3 VDC ( 5%) ....................................<650 mA  
+5 VDC ( 5%) .......................................<1.5 A  
+12 VDC ( 5%) .....................................<650 mA  
12 VDC ( 5%)......................................<75 mA  
Maximum Working Voltage  
Channel-to-earth .....................................2.23 V operating,  
3.0 V nonoperating;  
Installation Category I  
Safety  
Meets the requirements of the following standards for safety for electrical  
equipment for measurement, control, and laboratory use:  
EN 61010-1:1993/A2:1995, IEC 61010-1:1990/A2:1995,  
UL 3101-1:1993, UL 3111-1:1994, UL 3121:1998,  
CAN/CSA C22.2 no. 1010.1:1992/A2:1997 d.  
NI PXI-5621 Specifications  
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Electromagnetic Compatibility  
CE, C-Tick, and FCC Part 15 (Class A) compliant  
Electrical emissions................................ EN 55011 Class A at 10 m FCC  
Part 15A above 1 GHz  
Electrical immunity................................ Evaluated to EN  
61326:1997/A1:1998, Table 1  
Note For full EMC compliance, you must operate this device with shielded cabling. In  
addition, all covers and filler panels must be installed. See the Declaration of Conformity  
(DoC) for this product for any additional regulatory compliance information. To obtain the  
DoC for this product, click Declaration of Conformity at ni.com/hardref.nsf. This  
Web site lists the DoCs by product family. Select the appropriate product family, followed  
by your product, and a link to the DoC (in Adobe Acrobat format) appears. Click the  
Acrobat icon to download or read the DoC.  
Dimensions  
PXI-5621 (1 PXI slot)............................ 10 by 16 by 2.0 cm  
(3.9 by 6.3 by 0.8 in.)  
Certifications and Compliances  
CE Mark Compliance  
Conductive Immunity  
When tested as specified in EN 61000-4-6 at 3 Vrms, the spurious response  
is within specifications except at the test frequency. A spurious signal of up  
to 45 dBm may appear at the test frequency.  
© National Instruments Corporation  
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NI PXI-5621 Specifications  
 

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