• NI PXIe-5605 20MHz–14GHz RF Downconverter Front-End Module PN:781681-01,NI-Module,NI PXIe-5605 20MHz–14GHz RF Downconverter Front-End Module PN:781681-01
  • NI PXIe-5605 20MHz–14GHz RF Downconverter Front-End Module PN:781681-01,NI-Module,NI PXIe-5605 20MHz–14GHz RF Downconverter Front-End Module PN:781681-01
  • NI PXIe-5605 20MHz–14GHz RF Downconverter Front-End Module PN:781681-01,NI-Module,NI PXIe-5605 20MHz–14GHz RF Downconverter Front-End Module PN:781681-01
  • NI PXIe-5605 20MHz–14GHz RF Downconverter Front-End Module PN:781681-01,NI-Module,NI PXIe-5605 20MHz–14GHz RF Downconverter Front-End Module PN:781681-01
  • NI PXIe-5605 20MHz–14GHz RF Downconverter Front-End Module PN:781681-01,NI-Module,NI PXIe-5605 20MHz–14GHz RF Downconverter Front-End Module PN:781681-01
  • NI PXIe-5605 20MHz–14GHz RF Downconverter Front-End Module PN:781681-01,NI-Module,NI PXIe-5605 20MHz–14GHz RF Downconverter Front-End Module PN:781681-01
  • NI PXIe-5605 20MHz–14GHz RF Downconverter Front-End Module PN:781681-01,NI-Module,NI PXIe-5605 20MHz–14GHz RF Downconverter Front-End Module PN:781681-01
  • NI PXIe-5605 20MHz–14GHz RF Downconverter Front-End Module PN:781681-01,NI-Module,NI PXIe-5605 20MHz–14GHz RF Downconverter Front-End Module PN:781681-01
  • NI PXIe-5605 20MHz–14GHz RF Downconverter Front-End Module PN:781681-01,NI-Module,NI PXIe-5605 20MHz–14GHz RF Downconverter Front-End Module PN:781681-01
  • NI PXIe-5605 20MHz–14GHz RF Downconverter Front-End Module PN:781681-01,NI-Module,NI PXIe-5605 20MHz–14GHz RF Downconverter Front-End Module PN:781681-01
  • NI PXIe-5605 20MHz–14GHz RF Downconverter Front-End Module PN:781681-01,NI-Module,NI PXIe-5605 20MHz–14GHz RF Downconverter Front-End Module PN:781681-01
  • NI PXIe-5605 20MHz–14GHz RF Downconverter Front-End Module PN:781681-01,NI-Module,NI PXIe-5605 20MHz–14GHz RF Downconverter Front-End Module PN:781681-01

NI PXIe-5605 20MHz–14GHz RF Downconverter Front-End Module PN:781681-01

PXIe-5605 (781681-01) 1-slot RF downconverter for PXIe-5665 VSA, 20MHz–14GHz, multi-step attenuation & IF filters, mates with LO/digitizer for wireless radar RF signal analysis test systems.
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  • NI PXIe-5605 20MHz–14GHz RF Downconverter Front-End Module PN:781681-01,NI-Module,NI PXIe-5605 20MHz–14GHz RF Downconverter Front-End Module PN:781681-01
  • NI PXIe-5605 20MHz–14GHz RF Downconverter Front-End Module PN:781681-01,NI-Module,NI PXIe-5605 20MHz–14GHz RF Downconverter Front-End Module PN:781681-01
  • NI PXIe-5605 20MHz–14GHz RF Downconverter Front-End Module PN:781681-01,NI-Module,NI PXIe-5605 20MHz–14GHz RF Downconverter Front-End Module PN:781681-01
  • NI PXIe-5605 20MHz–14GHz RF Downconverter Front-End Module PN:781681-01,NI-Module,NI PXIe-5605 20MHz–14GHz RF Downconverter Front-End Module PN:781681-01
  • NI PXIe-5605 20MHz–14GHz RF Downconverter Front-End Module PN:781681-01,NI-Module,NI PXIe-5605 20MHz–14GHz RF Downconverter Front-End Module PN:781681-01
  • NI PXIe-5605 20MHz–14GHz RF Downconverter Front-End Module PN:781681-01,NI-Module,NI PXIe-5605 20MHz–14GHz RF Downconverter Front-End Module PN:781681-01

Client Testimonials

Michael Anderson
Michael Anderson
Resort Developer, United States

A complete set of NI equipment that can operate completely, I am very grateful.

Sarah Chen
Sarah Chen
Hotel Chain Director, Singapore

I am satisfied that NIST calibration is possible

Emma Roberts
Emma Roberts
Hospitality Manager, UK

I really like this company for being able to deliver in a timely manner so that my laboratory can continue testing,

  • Description

  • warranty service

  • logistics service

Official PN

Standard production PN:781681-01

Overview

NI PXIe-5605 is single-slot 3U PXI Express RF downconverter front-end, the core RF receiving front-end of 14 GHz PXIe-5665 vector signal analyzer, covering full frequency range from 20 MHz to 14 GHz. It adopts two-stage mixing architecture for high band above 3.6 GHz and single-stage mixing for low band below 3.6 GHz, equipped with multi-range attenuators: 75 dB mechanical step attenuator (5 dB steps) + extra 31 dB solid-state fine attenuation (1 dB steps) for low band signals. Three switchable IF filters (300 kHz / 5 MHz / through 80 MHz) suppress spurs and image interference, with configurable AC/DC coupled RF input and built-in preselector filtering to block out-of-band clutter. Interfaces connect to PXIe-5653 LO synthesizer and PXIe-5622 IF digitizer via internal LO ports, supporting multi-module synchronous triggering through PXIe backplane. Powered by NI-RFSA/NI-RFmx drivers, compatible with LabVIEW, LabWindows/CVI, typical power consumption ~15 W, RoHS compliant, widely used for 5G, radar, satellite and IoT wireless signal demodulation & spectral testing.

Core Specifications

  1. Frequency Coverage: 20 MHz to 14 GHz full RF receiving bandwidth
  2. Attenuation System: Max total 106 dB attenuation (75 dB mechanical +31 dB solid-state)
  3. IF Filter Options: 300 kHz, 5 MHz, 80 MHz through path
  4. Mixing Architecture: Single-stage ≤3.6 GHz; two-stage >3.6 GHz
  5. Matching Modules: PXIe-5653 LO source, PXIe-5622 IF digitizer (form PXIe-5665 VSA)
  6. Form Factor: Single-slot 3U PXIe module, SMA RF input port
  7. Software: NI-RFSA, NI-RFmx, LabVIEW RF communication toolkits

Application Scenarios

5G/mmWave wireless signal spectrum & EVM testing, radar pulse intermediate frequency demodulation, satellite communication transceiver performance verification, IoT narrowband RF device batch measurement, aerospace multi-band RF signal capture analysis.

Standard Package Contents

PXIe-5605 RF downconverter module, NI-RFSA driver media, user guide, safety & RF specification datasheet, LO interconnection wiring diagram.
1.Brand New Items: Comes with 3 Years Official Full Warranty

2. Used & Refurbished Items: Enjoy 2 Years Professional Warranty Service

3. Free Warranty Maintenance: All non‑human quality failures are covered for free repair and maintenance during the warranty period

4. Full Technical Support: Professional technical guidance and exclusive after‑sales repair services are provided for all warranty‑qualified products.

5.Strict Fault Verification: All product failures will be professionally inspected and confirmed to judge warranty eligibility accurately.

6. We strictly inspect damage reasons to confirm warranty eligibility.
• We ship out all orders within 3 business days after payment confirmed.

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• Every item will go through strict professional testing and full function inspection before shipment.

• We take detailed real photos for each product to confirm appearance, condition and accessories before delivery.

• Premium shockproof and anti-collision packaging to protect goods from damage during transit.

• Safe and smooth customs clearance, shorten delivery time.

• Complete accessories and intact packaging before shipping.

• Professional after-sales logistics support, we help solve all delivery and receiving problems.

• Fast global delivery, safe and reliable transportation guarantee.

PCIe S‑Series

PCIe S‑Series

PCIe S‑Series

NI S‑Series (61xx family) multifunction DAQ features true simultaneous‑sampling architecture with dedicated ADC per channel . Mostly PCI / PXI form‑factor, few native PCIe variants. It delivers near‑zero phase delay across channels, ideal for transient waveform capture, vibration, acoustic and other timing‑critical measurement tasks. Supported by NI‑DAQmx driver and compatible with LabVIEW, TestStand. Accessories are not interchangeable with X‑Series
PXIe X‑Series

PXIe X‑Series

NI PXIe X‑Series are high‑performance multifunction DAQ modules on PXIe bus. Built with STC3 timing engine, they integrate analog input, analog output, bidirectional DIO and four 32‑bit counter‑timers. Leverage PXIe high‑speed backplane for hardware triggering, retriggerable measurements and multi‑module synchronization with VHDCI‑68 connector. Fully compatible with NI‑DAQmx driver, supporting LabVIEW, TestStand, Python, C/C++ and C#. Widely applied for data acquisition, automated ATE and hardware‑in‑the‑loop test systems
NI‑9213 C‑Series Module

NI‑9213 C‑Series Module

NI‑9213 is a high‑density C‑Series thermocouple input module for CompactDAQ and CompactRIO systems. It offers 16‑channel, 24‑bit thermocouple measurement with up to 75 S/s per‑channel sampling rate. Integrated cold‑junction compensation, open‑thermocouple detection and anti‑aliasing filters. 250 Vrms channel‑to‑earth isolation with NIST‑traceable calibration, spring‑terminal connector supporting all standard thermocouple types. Mix‑and‑match with other C‑Series modules, widely used for multi‑channel temperature monitoring, environmental chamber and thermal‑cycle testing
PXIe‑1065 chassis

PXIe‑1065 chassis

PXIe‑1065 is NI high‑performance 18‑slot PXIe chassis, supporting mixed PXI and PXIe modules. It features 9 PXI slots, 4 hybrid slots, 3 PXIe peripheral slots and one PXIe system timing slotNI. High‑bandwidth backplane delivers low‑jitter 10 MHz /100 MHz reference clocks, supporting PXIe star trigger and multi‑module synchronization. Field‑replaceable modular power supply shuttle, temperature‑controlled variable‑speed fans, up to 30 W per‑slot cooling and rack‑mount capability. Widely deployed for multi‑channel ATE systems, hardware‑in‑the‑loop, signal acquisition and simulation test benches
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