Vector Signal Analyzer NI PXIe-5663, NI PXIe-5663E ◾◾ 10 MHz to 6.6 GHz frequency range ◾◾ 50 MHz instantaneous bandwidth (3 dB) ◾◾ ±0.35 dB typical flatness within 20 MHz bandwidth ◾◾ ±0.65 dB typical amplitude accuracy ◾◾ <-158 dBm/Hz typical display averaged noise level at 1 GHz ◾◾ 80 dB typical SFDR ◾◾ 112 dBc/Hz typical phase noise at 10 kHz offset at 1 GHz ◾◾ 16-bit ADC ◾◾ Full bandwidth streaming to disk (75 MS/s) ◾◾ RF List Mode support for NI PXIe-5663E Operating System ◾◾ Windows 7/Vista/XP/2000 Included Software ◾◾ NI Spectral Measurements Toolkit ◾◾ NI Modulation Toolkit ◾◾ NI-RFSA driver Programming API ◾◾ LabVIEW ◾◾ LabVIEW Real-Time ◾◾ LabWindows™/CVI ◾◾ C++/.NET Overview NI PXIe-5663 and PXIe-5663E 6.6 GHz RF vector signal analyzers offer wide NI PXIe-5601 NI PXIe-5622 ADC instantaneous bandwidth optimized for automated test. Combined with highperformance PXI controllers and the high-speed PCI Express data bus, these modules can perform common automated measurements significantly faster than traditional instruments. You can use an NI PXIe-5663/5663E as either NI PXI-5652 a spectrum analyzer or vector signal analyzer with NI LabVIEW or LabWindows/CVI software. In addition, you can use both the NI PXIe-5663 and PXI-5663E modules with the NI Modulation Toolkit for LabVIEW to analyze custom and standard modulation formats. When combined with NI or third-party analysis toolkits, the NI PXIe-5663/5663E can perform measurements for a broad range of communications standards such as GSM, EDGE, WCDMA, WiMAX, LTE, Bluetooth, WLAN, DVB-C/H/T, ATSC, and MediaFLO. Because all measurements are software-defined, you can simply reconfigure the measurements using standard specific toolkits. With these toolkits, the NI PXIe-5663/5663E modules provide a low-cost solution to highperformance RF measurements. Basic Architecture Figure 1. Block Diagram of an NI PXIe-5663 As illustrated in Figure 1, the NI PXIe-5601 RF downconverter module downconverts an RF signal to an intermediate frequency (IF). The local oscillator (LO) source is an NI PXI-565x RF continuous wave (CW) source, which uses a voltage-controlled oscillator (VCO) architecture for fast-frequency tuning speeds. Using a VCO, the NI PXIe-5663 is able to retune and measure signals in 11 ms or less. The NI PXIe-5622, which is used as an IF digitizer, features a 16-bit, 150 MS/s analog-to-digital converter (ADC). The NI PXIe-5622 is based on a common synchronization architecture found in many NI PXI modular instruments. Thus, you can share timing and trigger signals As single-stage RF vector signal analyzers, the NI PXIe-5663/5663E modules between the NI PXIe-5663 and other PXI modular instruments. are ideally suited for automated RF measurements when directly cabled to the Enhanced Architecture device under test (DUT). You can use an NI PXIe-5663/5663E to perform fast and accurate RF measurements in design validation and manufacturing test applications. The NI PXIe-5663E (E for enhanced) provides additional performance and features including RF List Mode support and configurable loop bandwidth for decreased tuning times. Like the NI PXIe-5663, the NI PXIe-5663E comprises three modular instruments. The enhanced NI PXIe-5601 RF downconverter module downconverts an RF signal to an IF signal, which is digitized with the Vector Signal Analyzer enhanced NI PXIe-5622, a 16-bit, 150 MS/s ADC module. You downconvert the PXI Controller NI PXIe-8130 CCDF (1M sample) 488 ms 330 ms With the enhanced NI PXIe-5663E, you can configure a wide- or narrow-loop EVM 39.7 ms 28.3 ms bandwidth for the VCO of the NI PXIe-5652. By using a wide-loop bandwidth, ACP 8.8 ms 8.2 ms you increase tuning time at the expense of additional phase noise; if you require OBW 9.8 ms 8.9 ms signal from RF by using an NI PXIe-565x RF CW source as an LO. lower phase noise over faster tuning times for a particular measurement, you can specify a narrow phase-locked loop (PLL) bandwidth for best performance. You can achieve tuning times of less than 450 µs to under 0.1 ppm of the final frequency when using the wide-loop bandwidth configuration. Fast Measurement Speed Using software-defined measurements in LabVIEW with an NI PXIe-5663/5663E, you can perform common spectral and modulation measurements up to 30 times faster than traditional instruments. You can also perform common spectrum analysis measurements quickly due to the processing power of multicore CPUs. For example, you can perform a 50 MHz spectrum sweep in 6 ms with an NI PXIe-8106 embedded controller (30 kHz RBW). While actual performance is system-dependent, Figure 2 illustrates the relationship between measurement time and resolution bandwidth (RBW) for a 50 MHz spectrum. NI PXIe-8106 Table 1. Typical Measurement Times for the NI PXIe-8130 and PXIe-8106 Embedded Controllers For the data in Table 1, the EVM measurement was performed on 2,600 symbols, with modulation settings configured to QPSK, a symbol rate of 3.84 MS/s, and a root raised cosine filter with an alpha of 0.22. The adjacent channel power measurement was performed on both the lower and upper adjacent and alternate channels. A channel bandwidth of 3.84 MHz was used, with channel spacing set to 5 MHz. As the results above illustrate, an NI PXIe-5663/5663E combined with a multicore embedded PXI Express controller is able to perform measurements significantly faster than traditional instrumentation. In fact, you can perform most measurements up to 30 times faster than with traditional instruments. RF List Mode The NI PXIe-5663E provides RF List Mode support for fast and deterministic RF configuration changes. You supply a configuration list, and the RF modules proceed through the list without additional interaction with the host system and driver. This makes the configuration changes deterministic. Figure 3 illustrates this determinism with a single tone at 1 GHz stepping through six power levels in 7 dB steps starting with -10 dBm and ending with -45 dBm and a 500 µs dwell time specified for each step. Figure 2. Measurement Time versus Resolution Bandwidth for a 50 MHz Spectrum Note that for spans of less than 50 MHz – the NI PXIe-5663/5663E instantaneous bandwidth – spectrum sweep time is completely independent of the center frequency you choose. In addition to spectrum sweeps, you can perform standard-specific modulation and spectral measurements significantly faster than traditional RF spectrum analyzers. Table 1 shows the nominal measurement times for measurements such as complementary cumulative distribution function (CCDF), error vector magnitude (EVM), adjacent channel power (ACP), and occupied bandwidth (OBW). Figure 3. Deterministic 500 µs Power Steps Using the NI PXIe-5663E and RF List Mode You can use the NI PXIe-5663E in both open- and closed-loop scenarios to specify the source for the configuration trigger that advances from one configuration to the next. In an open-loop situation, the NI PXIe-5663E advances through the list based on a user-defined time specification for each step. The closed-loop scenario relies on an external trigger that may be provided by the DUT to advance through the RF configuration list. BUY ONLINE at ni.com or C ALL 800 813 3693 (U.S.) 2 Vector Signal Analyzer RF Record and Playback You can combine an NI PXIe-5663/5663E RF vector signal analyzer with a PXI RF vector signal generator for record and playback applications. In this application, you use an NI PXIe-5663/5663E to continuously record an RF signal as a file on a redundant array of inexpensive disks (RAID) volume. Then you use an RF vector signal generator to stream the recorded waveform from disk. With a 2 TB RAID volume, an NI PXIe-5663/5663E can be used to stream 50 MHz of RF bandwidth continuously to disk for more than 1.5 hours. Because of the vector signal analyzer’s PCI Express data bus, you can also use multiple analyzers to stream data to disk. With more than 1 GB/s of total system bandwidth, you can stream more than 100 MHz continuously to disk using multiple analyzers. Phase-Coherent Analysis The flexibility of the NI PXIe-5663/5663E modules enables multiple instruments Figure 5. ACP Measurement of a QPSK Signal to share a common start trigger, a reference clock, and even an LO. As a result, This example uses a 3.84 MS/s symbol rate and a root raised cosine filter you can synchronize at least four NI PXIe-5663/5663E RF vector signal analyzers with an alpha of 0.22. A filter length of 128 symbols was implemented. The for phase-coherent acquisition. A block diagram of two synchronized analyzers is stimulus used in this measurement was programmed to an RF power level of shown in Figure 4. -5 dBm. As Figure 5 shows, you can use an NI PXIe-5663/5663E to measure up NI PXIe-5601 NI PXIe-5622 ADC NI PXIe-5601 NI PXIe-5622 to -65 dBc of adjacent channel rejection with the described settings. In addition, with the high dynamic range and phase noise performance of the NI PXIe-5663/5663E modules, you can analyze higher-order modulation schemes such as 256-QAM. A loopback configuration with NI PXIe-5673/5673E RF vector signal generators and an NI PXIe-5663/5663E yields a nominal EVM (RMS) measurement of 0.5 percent. The constellation plot is shown in Figure 6. ADC NI PXI-5652 Figure 4. Simplified Block Diagram of Cascaded NI PXIe-5663 RF Vector Signal Analyzers As shown in Figure 4, the NI PXIe-5601 RF downconverter both accepts and distributes a buffered LO. In this configuration, you can synchronize up to four analyzer channels without significant degradation of RF performance. High-Performance RF Measurements Using a 16-bit ADC with a high-performance RF front end, NI PXIe-5663/5663E modules offer up to 80 dB of spurious-free dynamic range (SFDR). Thus, you can Figure 6. Constellation Plot of 256-QAM perform spectrum analysis measurements that require high dynamic range. In The settings used in Figure 6 include a center frequency of 1 GHz, a 5.36 MS/s Figure 5, an ACP measurement of a QPSK modulated signal is shown. symbol rate, and a 0.12 root raised cosine filter alpha. The test stimulus was generated with the NI PXIe-5673 using the same symbol rate and filter alpha settings at an RF power level at -10 dBm. BUY ONLINE at ni.com or C ALL 800 813 3693 (U.S.) 3 Vector Signal Analyzer Flexible Software Programmed with the NI-RFSA instrument driver, NI PXIe-5663/5663E RF vector Ordering Information signal analyzers can be used in a variety of applications. The driver enables both NI PXIe-5663E high-level and low-level control of a variety of instrument settings. Figure 7 64 MB onboard memory.................................................................781260-01 features a simple LabVIEW example showing basic spectrum acquisition. 256 MB onboard memory...............................................................781260-02 NI PXIe-5663 64 MB onboard memory.................................................................780415-01 256 MB onboard memory...............................................................780415-02 Phase Coherent VSAs NI PXIe-5663/5663E VSA channel extension kit............................780486-01 Figure 7. LabVIEW Example for Spectrum Sweep The NI-RFSA driver includes an out-of-the-box soft front panel, which is shown in Figure 8. NI PXIe-5663E two-channel VSA....................................................781339-02 NI PXIe-5663E three-channel VSA..................................................781339-03 NI PXIe-5663E four-channel VSA....................................................781339-04 BUY NOW For complete product specifications, pricing, and accessory information, call 800 813 3693 (U.S.) or go to ni.com/pxi. Figure 8. NI-RFSA Soft Front Panel The NI PXIe-5663/5663E is shipped with two NI toolkits in addition to the NI-RFSA driver, the NI Modulation Toolkit, and the NI Spectral Measurements Toolkit. With the Spectral Measurements Toolkit for LabVIEW and LabWindows/CVI, you can perform common measurements such as power spectrum, peak power and frequency, in-band power, adjacent channel power, and occupied bandwidth. In addition, the NI Modulation Toolkit for LabVIEW provides tools for vector signal analyzers. With this toolkit, you can perform measurements on a wide variety of modulated signals including schemes such as AM, FM, ASK, FSK, PSK, CPM, MSK, and QAM. In addition, the toolkit computes modulation accuracy measurements such as EVM, MER, rho, and others. BUY ONLINE at ni.com or C ALL 800 813 3693 (U.S.) 4 Vector Signal Analyzer Specifications –80.0 – –85.0 – –90.0 – Frequency Frequency range ................................... 10 MHz to 6.6 GHz Tuning resolution.................................... 533 nHz 1 An NI 5663 is operational to 1 MHz. The maximum tuned frequency = 6.6 GHz – ½ (frequency span). Bandwidth Single Sideband Phase Noise (dBc/Hz) –95.0 – 1 –100.0 – –105.0 – –110.0 – –115.0 – –120.0 – –125.0 – –130.0 – Equalized Bandwidth 20 330 MHz to 6.6 GHz 50 10.000k – 120 MHz to <330 MHz 1.000k – 10 – 10 MHz to <120 MHz –140.0 – 100.000 – Equalized Bandwidth (MHz) – Tuned Frequency – –135.0 – 100.000k 1.000M 10.000M Frequency Offset (Hz) Figure 2. Typical Phase Noise at 2.4 GHz –70.0 – Note: Using automatic calibration correction through the NI-RFSA instrument driver. –75.0 – –80.0 – 3 dB bandwidth...................................... Fully adjustable (<1 Hz to 10 MHz) Selectivity Window 60 dB: 3 dB Ratio Flat Top 2.5, maximum 7-term Blackman-Harris 4.1, maximum Single Sideband Phase Noise (dBc/Hz) –85.0 – Resolution Bandwidth –90.0 – –95.0 – –100.0 – –105.0 – –110.0 – –115.0 – –120.0 – –125.0 – –130.0 – – 10.000k – 1.000k – – –140.0 – 100.000 – –135.0 – – Note: The NI-RFSA instrument driver also supports additional window types. 100.000k 1.000M 10.000M Frequency Offset (Hz) Figure 3. Typical Phase Noise at 5.8 GHz Spectral Purity Phase Noise Single Sideband (SSB) Phase Noise Tuned Frequency Noise Density 100 MHz <-125 dBc/Hz 500 MHz <-112 dBc/Hz 1 GHz <-105 dBc/Hz 2 GHz <-98 dBc/Hz 3 GHz <-95 dBc/Hz 4 GHz <-93 dBc/Hz 5 GHz <-90 dBc/Hz 6.6 GHz <-90 dBc/Hz Note: 10 kHz offset; measured using an NI 5652 with an internal reference clock. –80.0 – Absolute Accuracy Accuracy Frequency 23 °C ± 5 °C 10 MHz to <120 MHz ±2.2 dB (±1.4 dB, typical) ±2.3 dB (±1.5 dB, typical) 120 MHz to <400 MHz ±1.7 dB (±0.65 dB, typical) ±1.8 dB (±0.75 dB, typical) 400 MHz to <3.0 GHz ±1.6 dB (±0.65 dB, typical) ±1.8 dB (±0.75 dB, typical) 3.0 GHz to <5.5 GHz ±1.7 dB (±0.65 dB, typical) ±1.8 dB (±0.75 dB, typical) 5.5 GHz to 6.6 GHz ±1.6 dB (±0.65 dB, typical) ±2.0 dB (±1.0 dB, typical) Note: RF attenuation ≥8 dB; signal-to-noise ratio ≥20 dB. 1 Using automatic calibration correction of the NI-RFSA instrument driver, within ±5 °C of a self-calibration by the niRFSA Self Cal VI or the niRFSA_SelfCal function. Linearity Third-Order Intermodulation Distortion (Input IP3 (IIP3)) –85.0 – (Typical) –90.0 – –95.0 – Single Sideband Phase Noise (dBc/Hz) 0 °C to 55 °C1 -20 dBm Reference Level –100.0 – –105.0 – –110.0 – –115.0 – –120.0 – –125.0 – –130.0 – – 10.000k – – 1.000k – – – Input IP3 10 MHz to <30 MHz ≥5 dBm 30 MHz to <330 MHz ≥7 dBm 330 MHz to <3.0 GHz ≥12 dBm 3.0 GHz to 6.6 GHz ≥9 dBm Note: Two - 24 dBm input tones = 200 kHz apart. –135.0 – –140.0 – 100.000 Frequency Range 100.000k 1.000M 10.000M Frequency Offset (Hz) Figure 1. Typical Phase Noise at 1 GHz BUY ONLINE at ni.com or C ALL 800 813 3693 (U.S.) 5 Vector Signal Analyzer IF Flatness 0 dBm Reference Level Frequency Range Input IP3 10 MHz to <30 MHz ≥21 dBm 30 MHz to <330 MHz ≥18 dBm 330 MHz to <3.0 GHz ≥21 dBm 3.0 GHz to 6.6 GHz ≥21 dBm (Typical) IF Amplitude Flatness, 23 °C ± 5 °C Tuned Frequency 10 MHz to <75 MHz Note: Two - 4 dBm input tones = 200 kHz apart. 75 MHz to <120 MHz Dynamic Range1 Dynamic Range (Noise and Third-Order Intermodulation Distortion (IMD3)) 120 MHz to <140 MHz (Nominal) 140 MHz to <330 MHz 10 – Band 1 = 30 MHz to 330 MHz Band 2 = 330 MHz to 3.0 GHz Band 3 = 3.0 GHz to 6.6 GHz –10 – 330 MHz to <6.6 GHz –50 – Digitizer –70 – IMD3 D3 –90 – Noise 63 I 56 nd Ba N 1 IM NI –110 – and 3B 566 D3 3 IM –30 –20 –10 – – – – Tuned Frequency –150 – –40 0 Input Power (dBm, per tone) Figure 4. NI 5663 Vector Signal Analyzer Nominal Dynamic Range, 0 dBm Reference Level 10 MHz to <75 MHz 75 MHz to <120 MHz 10 – Band 1 = 30 MHz to 330 MHz Band 2 = 330 MHz to 3.0 GHz Band 3 = 3.0 GHz to 6.6 GHz –10 – 120 MHz to <140 MHz Noise (dBc/Hz) & IMD3 (dBc) –30 – –50 – 140 MHz to <330 MHz Digitizer –70 – IMD3 Noise –90 – NI 5663 Band 2 IMD3 –110 – 3 NI – – –60 – –150 nd Ba 1 IM – 63 56 NI nd Ba – – 3 566 – –130 330 MHz to <6.6 GHz D3 D 3 IM 5 MHz ±0.25 dB 10 MHz ±0.3 dB 5 MHz ±0.4 dB 10 MHz ±0.6 dB 5 MHz ±0.45 dB 10 MHz ±0.65 dB 20 MHz ±0.9 dB 5 MHz ±0.2 dB 10 MHz ±0.4 dB 20 MHz ±0.5 dB 10 MHz ±0.2 dB 20 MHz ±0.35 dB 50 MHz ±0.60 dB IF Amplitude Flatness, 0 to 55 °C NI 5663 Band 2 IMD3 –130 – Amplitude Flatness Notes: RF attenuation ≥8 dB, 18 to 28 °C, with calibration correction; bandwidth centered about tuned frequency. Typical represents the worst ripple expected for any reference level setting across the specified frequency range. – Noise (dBc/Hz) & IMD3 (dBc) –30 – Bandwidth –50 –40 –30 –20 Input Power (dBm, per tone) Bandwidth Amplitude Flatness 5 MHz ±0.3 dB 10 MHz ±0.45 dB 5 MHz ±0.35 dB 10 MHz ±0.6 dB 5 MHz ±0.55 dB 10 MHz ±0.85 dB 20 MHz ±1.1 dB 5 MHz ±0.35 dB 10 MHz ±0.8 dB 20 MHz ±0.8 dB 10 MHz ±0.25 dB 20 MHz ±0.4 dB 50 MHz ±0.7 dB Notes: RF attenuation ≥8 dB, 0 to 55 °C, with calibration correction; bandwidth about tuned frequency. Typical represents the worst ripple expected for any reference level setting across the specified frequency range. Figure 5. NI 5663 Vector Signal Analyzer Nominal Dynamic Range, -20 dBm Reference Level Reference level allows 10 dB headroom for single-tone input signals before digitizer clipping occurs. 1 The dynamic range plots in the two preceding figures show nominal performance with NI-RFSA automatic coupled settings that are optimized for noise performance. If you use the RF attenuation manual settings, IMD3 performance can improve with minimal degradation in noise floor, thus increasing the effective SFDR in the power per tone signal range of 10 to 0 dB below reference level. BUY ONLINE at ni.com or C ALL 800 813 3693 (U.S.) 6 Vector Signal Analyzer Error Vector Magnitude (EVM) and Modulation Error Ratio (MER) (Nominal) Data length in the following three tables is 1,250 symbols pseudorandom bit sequence (PRBS) at -30 dBm power level. These results were obtained using the NI 5663 onboard clock (the NI 5652 LO source onboard clock) and do not include software equalization using the NI Modulation Toolkit. Results are the composite effect of both an NI 5663 vector signal analyzer and an NI 5673 RF vector signal generator. 825 MHz Carrier Frequency QAM Order M=4 M = 16 M = 64 M = 256 Symbol Rate (kS/s) ·RRC EVM (% RMS) MER (dB) 160 0.25 0.3 52 800 0.25 0.4 49 4,090 0.22 0.5 46 17,600 0.25 0.7 41 32,000 0.25 1.0 37 5,360 0.15 0.4 44 6,952 0.15 0.5 43 40,990 0.22 1.1 35 6,952 0.15 0.4 43 3.4 GHz Carrier Frequency QAM Order M=4 M = 16 M = 64 Symbol Rate (kS/s) ·RRC EVM (% RMS) MER (dB) 160 0.25 0.65 44 800 0.25 0.65 44 4,090 0.22 0.74 43 17,600 0.25 1.13 36 32,000 0.25 1.94 32 5,360 0.15 0.59 41 6,952 0.15 0.66 40 40,990 0.22 2.15 30 M = 256 6,952 0.15 0.64 40 QAM Order Symbol Rate (kS/s) EVM (% RMS) MER (dB) 5.8 GHz Carrier Frequency M=4 M = 16 M = 64 M = 256 ·RRC 160 0.25 0.89 41 800 0.25 0.85 41 4,090 0.22 1.04 40 17,600 0.25 1.49 34 32,000 0.25 2.00 31 5,360 0.15 0.83 38 6,952 0.15 0.90 37 40,990 0.22 2.06 30 6,952 0.15 1.00 36 BUY ONLINE at ni.com or C ALL 800 813 3693 (U.S.) 7 NI Services and Support your needs around the globe and through PL AN MA IN NI has the services and support to meet IN TA the application life cycle – from planning and development through deployment and SERVICE NEEDS ongoing maintenance. We offer services P DE EL OP and service levels to meet customer LO Y requirements in research, design, validation, V DE and manufacturing. Visit ni.com/services. Local Sales and Technical Support In offices worldwide, our staff is local to the country, giving you access to engineers who speak your language. NI delivers industry-leading technical support through online knowledge bases, our applications engineers, and access to 14,000 measurement and automation professionals within NI Developer Exchange forums. Find immediate answers to your questions at ni.com/support. We also offer service programs that provide automatic upgrades to your application development environment and higher levels of technical support. Training and Certification Visit ni.com/ssp. NI training is the fastest, most certain route to productivity with our products. Hardware Services NI training can shorten your learning curve, save development time, and reduce maintenance costs over the application life cycle. 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We offer extended warranties to help you meet project life-cycle requirements. Visit ni.com/services. ni.com n 800 813 3693 National Instruments n [email protected] ©2010 National Instruments. All rights reserved. CompactRIO, CVI, FieldPoint, LabVIEW, National Instruments, National Instruments Alliance Partner, NI, and ni.com are trademarks of National Instruments. The mark LabWindows is used under a license from Microsoft Corporation. Windows is a registered trademark of Microsoft Corporation in the United States and other countries. Other product and company names listed are trademarks or trade names of their respective companies. A National Instruments Alliance Partner is a business entity independent from National Instruments and has no agency, partnership, or joint-venture relationship with National Instruments. 1042