National Instruments PXIe‑5672 RF Vector Signal Generator (РХIЕ‑5672 is Cyrillic typo)

Product Description

The PXIe‑5672 is a 3U PXI Express modular RF vector signal generator manufactured by National Instruments (NI). It consists of a PXIe‑5442 arbitrary waveform generator and a PXI‑5610 RF upconverter, integrated as a single two‑slot PXIe instrument. The frequency coverage ranges from 250 kHz to 2.7 GHz with 20 MHz instantaneous modulation bandwidth. It is available with 32 MB, 256 MB or 512 MB onboard waveform memory. This product has been officially discontinued by NI; most available units on the market are surplus or refurbished modules for maintaining existing automated test benches.

Product Functions

• Generate continuous‑wave (CW) RF carriers and complex digitally modulated I/Q RF signals
• Support AM, FM, PM, FSK, GMSK, PSK, QPSK and QAM modulation formats for wireless communication tests
• Digital upconversion architecture to reduce waveform download latency and enable streaming waveform playback
• Precise RF output power control from -145 dBm up to +13 dBm with built‑in calibration routines
• 10 MHz reference clock, multi‑trigger SMA ports and PXIe synchronization for multi‑instrument ATE systems
• Controlled by NI‑RFSG driver, compatible with LabVIEW, LabWindows/CVI and C/C++ programming environments
• Onboard self‑diagnosis for RF circuit faults, memory errors, clock anomalies and trigger failures

Application Scenarios

• RF transceiver, power amplifier and filter performance verification for wireless communication devices
• Aerospace, radar and electronic warfare simulation, signal jamming and receiver sensitivity testing
• Semiconductor RF chip validation, production end‑of‑line test and characterization benches
• Software‑defined radio (SDR), RFID and wireless sensor network algorithm research and verification
• University and laboratory RF measurement platforms based on legacy PXI/PXIe test systems
• Spare replacement and retrofit of existing NI PXIe‑5672 test racks after original production discontinuation

Common Problems

• No RF output or low output power：damaged RF SMA connector, internal attenuator failure or waveform memory corruption
• High EVM and poor modulation quality：aging upconverter components, insufficient cooling or contaminated RF signal path
• Trigger and synchronization timeout：poor PXIe backplane contact, incompatible chassis clock or broken trigger cable
• Waveform playback stops intermittently：insufficient onboard memory, overheating or outdated NI‑RFSG driver version
• Instrument not detected by software：PXIe slot resource conflict, chassis firmware mismatch or control board damage
• Large power level drift over temperature：loss of factory calibration, degraded internal reference oscillator
• Maintenance difficulties：original production stopped, limited replacement RF components and no official hardware repair service