National Instruments PXI-5621 Digitizer
The National Instruments PXI-5621 (Part Number: 189182A-02) is a 14-bit, 64 MS/s, high-speed, DC-coupled Digitizer. This model supports DC coupling, which is the only difference between the PXI-5620 and PXI-5621. This model comes with one channel and a sample rate range from 1 kS/s to 64 MS/s. The PXI-5621 operates with 50 Ω nominal input impedance and is designed to handle +8 dBm (±0.794 Vp) input signal level with dither enables. As far as its triggering capability is concerned, this model supports software, digital, and immediate triggering modes. The NI PXI-5621 requires one PXI Slot for operation and has dimensions of 3.9 x 6.3 x 0.8 in.
This Digitizer comes equipped with an external frequency reference input (SMA female connector) and one External Trigger (PFI 1 - SMB male). Since this model is a DC-coupled Digitizer, the NI PXI 5621 offers a wider passband and can acquire DC signals as well. With this model, the input impedance of the source and the input impedance of the Digitizer form a voltage divider to attenuate the input signal.
To lower the amount of distortion because of differential nonlinearity in the Analog-Digital-Converter, the National Instruments PXI-5621 adds Dither to the input signal between 150 Hz and 4 MH. The Dither can be enabled or disabled through software by the user. It is to be noted that the dither operation is not recommended during the sampling of time-domain data. The NI PXI-5621 has 64 MB memory buffer and supports multi-record capturing mode as well.
PXI-5621 Obsolete Status has been announced by National Instruments, but the Digitizer will still be available for purchase and repairs by Apex Waves.
| Model | PXI-5621 |
|---|
| Manufacturer | National Instruments |
| Part Number | 189182A-02 |
| Type | Digitizer |
| Channels | 1 |
| Resolution | 14 bits |
| Sample Rate Range | 1 kS/s to 64 MS/s |
| Bandwidth | 36 MHz |
| Dimensions | 3.9 x 6.3 x 0.8 in. |
| Weight | 7.8 oz. |
| Warranty | Three Year Warranty |
| PXI-5621 Manual | User Manual and Maintenance Manual Available for Download |
| Price | Contact a sales representative for a quote. |
Associated part numbers for PXI-5621:
188400A-01, 188400-01, 189182-02, 189182A-01, 189182-01, 189182A-02, 189182B-01, 189182B-02, 189182C-01, 189182C-02, 189182D-01, 189182D-02, 189412A-01, 189412-01, 778281-01, 778281-02
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PSI-5621, PCI-5621, PXK-5621, PXI-562Q, PXI-562W