PXIe-5646 200 MHz Vector Signal Transceiver
The NI PXIe-5646 is a reconfigurable PXI Express vector signal transceiver covering 65 MHz to 6 GHz. It combines vector signal generation, vector signal analysis, digital I/O and a user-programmable FPGA with up to 200 MHz of instantaneous bandwidth.
The wider bandwidth makes the PXIe-5646 suitable for broadband wireless signals, RF power-amplifier testing, spectrum monitoring, custom protocol validation and high-throughput semiconductor test.
Key Features of the PXIe-5646
- 65 MHz to 6 GHz frequency range
- Up to 200 MHz instantaneous bandwidth
- Integrated vector signal analyzer and generator
- Xilinx Virtex-6 LX240T FPGA
- 14-bit ADC and 16-bit DAC architecture
- Up to 250 MS/s I/Q data rate
- 1 GB total onboard DRAM
- 24 bidirectional digital I/O lines
- NI-RFSA, NI-RFSG, RFmx and LabVIEW FPGA support
PXIe-5646 Technical Specifications
| Product Model | PXIe-5646 |
|---|---|
| Instrument Type | Reconfigurable RF vector signal transceiver |
| Frequency Range | 65 MHz to 6 GHz |
| Instantaneous Bandwidth | 20 MHz at 109 MHz and below; 80 MHz above 109 MHz to below 200 MHz; 200 MHz from 200 MHz to 6 GHz |
| Tuning Resolution | 888 nHz |
| ADC Resolution | 14 bits |
| DAC Resolution | 16 bits |
| Maximum I/Q Data Rate | 250 MS/s |
| FPGA | Xilinx Virtex-6 LX240T |
| Onboard DRAM | Two 512 MB banks |
| RF Impedance | 50 ohms nominal |
| Module Width | Three PXI Express slots |
200 MHz Wideband Operation
At center frequencies from 200 MHz to 6 GHz, the PXIe-5646 supports 200 MHz instantaneous bandwidth. This enables generation and acquisition of wide channels and allows multiple adjacent carriers to be processed in a single acquisition.
Real-Time FPGA Architecture
The Virtex-6 LX240T FPGA provides 150,720 LUTs, 768 DSP48 slices and 16 DMA channels. It can be customized for low-latency signal processing, fast closed-loop control, record reduction and specialized triggering.
Typical Applications
- Wideband WLAN and cellular testing
- RF power-amplifier characterization
- Digital predistortion research
- Spectrum monitoring and signal intelligence prototyping
- RFIC validation and production test
- Custom FPGA-based RF instrumentation
PXIe-5646 vs PXIe-5644
| Feature | PXIe-5646 | PXIe-5644 |
|---|---|---|
| Maximum Bandwidth | 200 MHz | 80 MHz |
| Maximum I/Q Rate | 250 MS/s | 120 MS/s |
| FPGA | Virtex-6 LX240T | Virtex-6 LX195T |
| Best Fit | Wideband applications | 80 MHz legacy applications |
Installation and Protection
Install the PXIe-5646 in three adjacent compatible slots and confirm the chassis cooling configuration. The RF ports are sensitive to ESD, excessive power and DC transients; use appropriate attenuation, DC blocking and grounding for the DUT.
Frequently Asked Questions
What is the maximum bandwidth of the PXIe-5646?
It supports up to 200 MHz from 200 MHz to 6 GHz, with lower limits below 200 MHz.
Is the PXIe-5646 both a generator and analyzer?
Yes. It integrates vector signal generation and vector signal analysis.
Can its FPGA be customized?
Yes, when used with the compatible LabVIEW FPGA toolchain and instrument-design resources.
How many slots does it occupy?
The module occupies three adjacent PXI Express slots.
Request a Quote for the PXIe-5646
Contact us for current availability and pricing for the PXIe-5646 6 GHz, 200 MHz Vector Signal Transceiver. We can also help select a compatible chassis, RF accessories and calibration service.
