RF Test & ATE Solution — NI PXI-5651 | PXI RF Analog Signal Generator
Where This Product Is Used
The NI PXI-5651 is a PXI-format RF analog signal generator covering 100 kHz to 6.6 GHz, purpose-built for automated test environments where precise, repeatable RF stimulus is critical. Engineers deploy this module across:
- Aerospace & Defense: Radar cross-section testing, EW receiver characterization, avionics DO-160 RF immunity validation.
- Wireless Communications R&D: LTE/5G NR receiver sensitivity, adjacent-channel selectivity, and blocking tests on chipsets and RF front-ends.
- Semiconductor ATE: RF IC parametric testing on wafer-probe and final-test handlers; LO substitution in mixer and VCO evaluation.
- Automotive Electronics: V2X (DSRC/C-V2X) module validation, GNSS receiver jamming immunity, and keyless-entry RF characterization.
- Industrial IoT & Smart Metering: Sub-GHz (ISM 433/868/915 MHz) transceiver production screening and regulatory pre-compliance.
- Education & Research Labs: Spectrum analysis training, antenna pattern measurement, and phase-noise research platforms.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number / SKU | PXI-5651 |
| Manufacturer | NI (National Instruments) |
| Series | PXI RF Instruments |
| Form Factor | PXI (1-slot, 3U) |
| Frequency Range | 100 kHz – 6.6 GHz |
| Frequency Resolution | 1 Hz |
| Output Power Range | −110 dBm to +16 dBm |
| Power Resolution | 0.1 dB |
| SSB Phase Noise (1 GHz, 10 kHz offset) | ≤ −110 dBc/Hz (typical) |
| Modulation | AM, FM, PM (analog); IQ (with NI-5650/5652 option) |
| RF Output Connector | SMA (female) |
| PXI Trigger Bus | PXI_Trig0–7, PXI_STAR |
| Operating Temperature | 0 °C to 55 °C |
| Weight | 1.46 kg |
| Software | NI-RFSG driver, LabVIEW, LabWindows/CVI, .NET, Python |
Why Engineers Specify This Model
- PXI Ecosystem Integration: Shares a common chassis and trigger bus with NI digitizers, switches, and DAQ modules — enabling tightly synchronized multi-instrument ATE with sub-nanosecond trigger latency.
- NI-RFSG API: Single, consistent driver API across the entire NI RF signal generator family reduces software porting effort when upgrading to higher-frequency models.
- Wide Dynamic Range: −110 dBm to +16 dBm output eliminates the need for external attenuators in most receiver sensitivity test setups.
- 1 Hz Frequency Resolution: Enables precise carrier offset testing required by 3GPP and IEEE 802.11 conformance test plans.
- Compact 1-Slot PXI Form Factor: Maximizes chassis slot density in rack-mounted ATE systems where space is at a premium.
- Long Production Lifecycle: NI PXI instruments are supported for extended periods, protecting capital investment in test fixtures and software.
Complete System Bill of Materials
A typical PXI-5651-based RF test station includes:
- PXI Chassis — e.g., NI PXIe-1082 or PXIe-1085
- PXI System Controller — e.g., NI PXIe-8135 or MXI-Express remote controller
- NI PXI-5651 RF Signal Generator (this unit)
- RF Switch Matrix — e.g., NI PXI-2596 (6×2, 26.5 GHz)
- PXI Digitizer / Signal Analyzer — e.g., NI PXIe-5668R VSA
- SMA cables, attenuators, and RF terminations
- NI-RFSG & NI-RFSA software drivers + LabVIEW RF toolkit
Contact [email protected] for complete BOM pricing and availability.
Compliance & Industry Standards
- CE Marking (EMC Directive 2014/30/EU; LVD 2014/35/EU)
- FCC Part 15 Class A
- RoHS 2 Compliant (Directive 2011/65/EU)
- WEEE Registered
- Calibration traceable to NIST / PTB national standards
Quality Assurance & Sourcing
All NI instruments sourced by Konmask.com undergo a documented incoming inspection process:
- Visual and mechanical inspection against NI OEM cosmetic standards
- Power-on self-test (POST) verification using NI-RFSG diagnostics
- Frequency and power spot-check at 900 MHz, 2.4 GHz, and 5.8 GHz reference points
- Calibration certificate review; recalibration available on request
- Secure anti-static packaging with humidity indicator card
Units are available as factory-new, certified-refurbished, or surplus/used — clearly labeled at time of quotation.
How to Source This Part
- Request a Quote: Email [email protected] with your required quantity, condition grade, and delivery timeline.
- Lead Time: In-stock units ship within 3–5 business days; sourced units typically 7–15 business days.
- Payment: T/T (wire transfer), PayPal, and trade-credit terms available for qualified accounts.
- Export Compliance: NI PXI-5651 may be subject to EAR export controls (ECCN 3A002). Konmask.com handles all export documentation and end-user certification.
- Warranty: 90-day functional warranty standard; extended 12-month warranty available.
Application-Specific FAQ
Q: Can the PXI-5651 generate IQ-modulated signals for 5G NR testing?
A: The PXI-5651 is a CW/analog-modulation generator. For vector signal generation (IQ modulation, 5G NR, LTE), pair it with the NI PXIe-5645R or PXIe-5840 VSG. Contact us for upgrade path guidance.
Q: What is the minimum chassis requirement?
A: Any PXI (not PXIe-only) chassis with at least one hybrid or standard PXI slot. The module uses a standard PXI 3U, 1-slot footprint.
Q: Is calibration included?
A: A current calibration certificate is included with new units. Recalibration to NI factory specs can be arranged — lead time approximately 10 business days.
Q: Can I control the PXI-5651 from Python?
A: Yes. NI-RFSG supports Python via the nidaqmx and nirfsg PyPI packages, compatible with NI-RFSG 19.1 and later.
Q: Do you supply the full PXI chassis system?
A: Yes. Konmask.com can configure and supply complete turnkey PXI systems. Request a system BOM quote at [email protected].
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