PXI Modules. 3070A PXI High Performance RF Digitizer

Transcription

1 PXI Modules 3070A PXI High Performance RF Digitizer Continuous frequency range 250 MHz to 3 GHz or 6 GHz Input levels to +30 dbm with 1 db RF step attenuation to 51 db ADC Sample rate 400 MSa/s with 14 bit resolution 80 MHz or 160 MHz instantaneous bandwidth (-1 db) 2 Gbyte sample memory Fast frequency and level settling times <150 μs with List Mode operation Low SSB phase noise khz offset from 1 GHz Displayed Average Noise Level (DANL) of -160 dbm/hz Compact 3-slot wide x 3U PXI Hybrid slot compatible module Internal high stability OCXO 10 MHz frequency reference Supplied software - VISA pnp Driver - C /.NET for Windows 7/XP - PXI Studio with general purpose FFT spectrum analysis and options for Bluetooth BR/EDR/LE and WLAN IEEE a,b,g,n,p,ac Introduction 3070A is one of a series of 5th generation PXI 3000 modular RF instruments and the perfect complement to 3050A low noise RF signal generator. 3070A is a fully integrated high performance compact RF digitizer for use in RF ATE for test and measurement applications. Used with optional software measurement suites 3070A provides fast and high performance signal analysis. The 3070A module converts RF input signals over the frequency range 250 MHz to 6 GHz into phase and amplitude compensated digital I & Q sample data with an instantaneous signal bandwidth of up to 160 MHz and a sample memory depth of 2 GBytes (0.5 GSamples). The sample data is output for processing to the PC host via the PXI backplane. For the very latest specifications visit

2 Advanced Synthesizer Technology Internal frequency down conversion utilizes an advanced integrated low noise and highly agile multi-loop RF synthesizer achieving SSB phase noise of better than 127 dbc/hz at 20 khz offset from 1 GHz with frequency switching in under 150 μs making 3070A ideal for applications such as phase noise testing of narrow band transmitters and RF component testing. Level Range With a maximum input level of +30 dbm and a noise floor of -160 dbm/hz, 3070A is ideal for performing measurements of both large and small signal properties of RF transmitters. Input level control uses high speed electronic attenuator switching with a resolution of 1 db over a range 51 db to achieve optimal input conditions to the RF down converter and ADC as necessary for the measurement of interest. Noise and linearity optimized modes are provided to configure the module for specific measurement types. Fast and Level Settling Using 3070A List Mode, frequency settling to within 0.1 ppm and level settling to within 0.1 db is achieved in under 150 μs. List mode allows up to 64k different frequency settings to be pre-calculated and stored in on-board memory for fast access based on either software or hardware triggers. High Dynamic Range The 3070A is designed to deliver high dynamic range to satisfy the most demanding of measurements such as spectral emissions or burst power profile of TDD transmitters. Spectral emissions measurements of broadband systems provide a challenge to measurement systems. Using 3070A, ACLR measurement with a dynamic range of >65 db is achieved for 3G WCDMA UE devices. By utilizing the wide bandwidth of the 3070A RF digitizer, spectral mask measurement can be performed without need for spectral stitching. Residual EVM With a low residual EVM of better than 0.3% 3070A is able to accurately measure the modulation distortion performance of RF components and transmitters used for wideband communication such as IEEE ac. Low residual EVM is achieved by virtue of low phase noise and excellent IF amplitude and phase flatness in 3070A. Wide Bandwidth With an instantaneous -1 db bandwidth of up to 80 MHz or 160 MHz (option 05 enabled) 3070A is capable of supporting broadband wireless technologies such as ac and LTE advanced. Amplitude flatness of better than ±0.25 db is maintained across >67 MHz and ±0.5 db across >100 MHz (with option 05 fitted). Figure 1. PXI Studio2 analysis of WLAN ac MCS9 (160 MHz, 256 QAM) Local Oscillator I/O The provision of local oscillator input and output allows the 3070A to be the master oscillator in a chain of similar devices or slaved to an external LO source to provide phase coherent down conversion for use in MIMO or phased array antenna test applications. Flexible Hardware Triggering Hardware triggering is supported from across the PXI backplane or through the front panel. Hardware triggers can be used trigger acquisition directly or arm triggering from other sources such as counters. Trigger inputs can be used with list mode to step through different hardware settings. SOFTWARE Module Driver A VXI PnP low level driver is supplied with C.dll, and.net programming interfaces for user application development. Applications PXI Studio2 is a Windows TM application that provides a framework for virtual instrument plug-ins with a graphical user interface to control 3070A as a standalone instrument or as part of a larger configuration of Aeroflex PXI 3000 Series RF modules. The RF Digitizer plug-in provides time domain, frequency domain and I vs. Q graphical displays of captured I & Q data. Personalities 3070A standard and optional measurement suites support analysis of specific communications systems or generic modulation types and spectral analysis. Each optional measurement suite includes a C style DLL and.net programming interface and a graphical user interface plug-in for use in PXI Studio2. General purpose FFT Spectrum analysis software is provided as standard. This software processes captured I & Q sample data and plots results in spectrum and time domains. The library also provides measurement results for band power, adjacent channel power and occupied bandwidth.

3 Optional measurement software supports various radio communication standards option 103, WLAN a,b,g,n measurement suite and option 113, WLAN ac measurement suite provide a library of functions for characterizing the performance of WLAN signals in accordance with each of the respective IEEE standard requirements including support for SISO and MIMO and for ac VHT specific support is provided for 80 MHz, MHz and 160 MHz option 106, Bluetooth measurement suite provides a library of function to characterise Bluetooth BR, EDR and LE transceivers. Option 203 Connectivity Test Sequencing renders 3070A compatible for use with PXI Maestro for testing wireless connectivity devices in automated systems. For a full description of optional measurement suite functionality and performance see the latest PXI Studio2 data sheet. SPECIFICATION Specifications apply when used in conjunction with the driver software supplied with the module or later version and with the input signal at the 3070A tuned frequency and reference level unless otherwise stated. All specifications apply when the module is used in a PXI standard compliant chassis operating within the allowed temperature range and following a warm up period of 30 minutes. Specifications apply when using 3070A internal LO unless otherwise stated. RF INPUT FREQUENCY Range 250 MHz to 3 GHz or 6 GHz with option 03 enabled Resolution 0.01 Hz Accuracy As per frequency reference Settling Time To within 0.1 ppm of final frequency, using internal LO and sample rate >2 MSa/s Option 01 enabled Option 01 disabled List Mode Software Triggered <350 MHz <130 μs >350 MHz <130 μs 1 ms (typ.) 12 ms (typ.) LO Position 3070A uses an internal or external LO to provide down conversion to an intermediate frequency Fif. The LO frequency may be set to either Fc+Fif or Fc-Fif according the Fc per the table below. Tuned LO Position W.R.T tuned frequency <350 MHz NA 350 MHZ to <1450 MHz LO above LO below with unspecified spurious response performance 1450 MHz to <5700 MHz LO above or LO below LO above or LO below MHz to <5900 MHz 5900 MHz Maximum bandwidth is reduced to 90 MHz when LO above is selected LO below For the very latest specifications visit

4 LEVEL Coupling AC coupled Max DC Input ±12V Max RF Input Power Auto Mode +30 dbm for reference level setting 0 dbm and above +24 dbm for reference level setting below 0 dbm Manual Mode at Input Maximum Peak Input Power (dbm) Preamp off Preamp on <1 MHz MHz 5 MHz +20 >5 MHz Maximum RF Input Power (Unpowered) +27 dbm, or 0 dbm for inputs <1 MHz Reference Level Range (for full scale) +30 dbm to -19 dbm in 1 db steps Level Accuracy (23 C ±5 C) <3 GHz <±0.8 db, typically ±0.3 db 3 GHz <±0.9 db, typically ±0.5 db Temperature Coefficient Typically db/ 0 deg C between 0 and 45 degrees Settling Time (internal LO, sample rate >2 MSa/s) To within 0.1 db of final settled value List Mode Software Triggered Level Repeatability Specified after warm up following a return from a change in frequency or level. Valid for at least 2 hours and excluding temperature influence. Typically ±0.07 db Input Impedance 50Ω RF Input VSWR <1.5:1 (14 db return loss), typically 1.3:1 (17.7 db return loss) Linearity (typical) Relative level w.r.t ref level (db) <130 μs Typically 12 ms Linearity Error (db) -10 to 0 < to -10 < to -40 <0.25 SPECTRAL PURITY Single Sideband (SSB) Phase Noise (typical) Excluding the effect of RF Digitizer noise floor dbc/hz Offset Carrier 1 khz 20 khz 10 MHz Up to 500 MHz Up to 1 GHz Up to 2 GHz Up to 4 GHz Above 4 GHz Spurious Response Within the analysis bandwidth for a single CW input at the reference level. Front end mode Auto, Low Noise Optimized. Typically better than -70 dbc Spurious Sidebands (for offsets 10 khz to 10 MHz) Typically -70 dbc Residual Responses (RF input terminated into 50 Ω, reference level -25 dbm front end mode Auto, low noise optimized) Better than -100 dbm, typically -110 dbm LO Breakthrough at RF Input Typically <-50 dbm LOCAL OSCILLATOR OUTPUT A replica of the LO frequency is present when the RF Digitizer is tuned to a frequency >350 MHz The LO frequency will be offset from the tuned frequency by ±250 MHz Output Level (when enabled) +10 dbm ±2 db VSWR Typically <2:1 Maximum Reverse Power 15 dbm LOCAL OSCILLATOR INPUT 3070A can use an externally supplied LO. Range 100 MHz 6 GHz Input Level +7 dbm to +12 dbm VSWR Typically 2:1 Damage Level 15 dbm

5 LINEARITY AND NOISE 3070A can be optimized for low noise (minimum noise figure), low noise overload (for TDMA signal measurements) and low distortion (optimized for intermodulation). 3070A also supports three front end modes, Auto, Auto IF and Manual each providing different control methods for the RF attenuation, IF attenuation and RF pre-amplifier. Third Order Intermodulation Distortion (low distortion mode) Measured using 2 tones spaced at 0.5, 1.5 and 5 MHz each -6 db with respect to a reference level -26 dbm to +10 dbm Better than -65 dbc, typically -73 dbc Better than -65 dbc, typically -73 dbc Adjacent Channel Leakage Ratio (low noise mode selected and carrier frequency <3 GHz) 3GPP WCDMA (3GPP bands) ±5 MHz ±10 MHz Uplink (1 DPCH SF64) Downlink 64 channel (test model 1) Displayed Average Noise Level (DANL) Input terminated in 50 Ω, front end mode Auto Better than -155 dbm/hz, typically -160 dbm/hz <-65 dbc typ -68 dbc <-60 dbc typ 65 dbc Optimization Mode Ref Level DANL (dbm/hz) Standard b GHz a/g/n 2-6 GHz n/ac 4-6 GHz Standard 20 MHz BW, 3 db crest 20 MHz BW, 8 db crest 40 MHz BW 10 db crest 80 MHz BW 14 db crest 160 MHz BW 14 db crest Input Level (dbm) SNR (db) Min Max >53-29 (-35 typical) >58-23 (-31 typical) +27 >68 (typical) -3 >43-39 (-42 tyipcal) >49-23 (-33 typical) +22 >58 (typical) -10 >48 (typical) >55 (typical) -10 >43 (typical) -19 >50 (typical) -11 >43 (typical) >50 (typical) -10 Input Level (dbm) EVM (db) Min Max <-21 dbm <-155, typically -160 Low Noise -21 dbm Ref Level <-25 dbm <-155, typically -160 Low Distortion -25 dbm Ref Level Signal to Noise Ratio (SNR) and EVM for Wireless LAN Signals Low noise mode, Auto attenuation mode, Peak input at Ref level g GHz a/n 4-6 GHz n/ac 4-6 GHz 20 MHz BW, 3 db crest 20 MHz BW, 8 db crest 80 MHz BW, 11 db crest 160 MHz BW 14 db crest < (-36 typical) 50 (typical) < (-32 typical) 47 (typical) -30 <37-34 (-35 typical) (typical) (typical) The residual EVM specification includes the residual error contribution from a 3050A RF Signal Generator. For the very latest specifications visit

6 LIST MODE List Mode Channel Parameters (Hz), Reference level (dbm), LO position (above/below), Front End Mode, Auto mode Optimize, RF attenuator settings (db), IF attenuator settings (db), Pre-amp On/Off, Dwell period (samples) Number of List Addresses 0 to List Address Source Manual (software), External (counter or address), Internal (counter/timer) External Mode Trigger Sources PXI trigger bus, star trigger, PXI local bus (LBL6, front panel Trig A, B) Counter Mode Dwell Period 2 to 65,000,000 samples BANDWIDTH With option 05 disabled, the maximum bandwidth is limited to 80 MHz ADC RF Bandwidth Flatness <±0.15 db <±0.25 db <±0.5 db <±1 db <400 MHz >30 MHz >15 MHz >30 MHz <600 MHz >50 MHz <750 MHz >5 MHz >35 MHz >50 MHz >66 MHz <900 MHz <5700 MHz >5700 MHz (LO below) >5700 MHz (LO above) >10 MHz >50 MHz >90 MHz >100 MHz >67 MHz >100 MHz >160 MHz >50 MHz >90 MHz Resolution 14 bit ADC Sample Rate 400 MSa/s Resampled Data Rate (Fs) Range ksa/s to 200 MSa/s (complex IQ pairs) Sample Rate Accuracy As per frequency reference ±3 uhz Sample Resolution 16 or 32 bit for each of I and Q 32 bit resolution applies when Fs <100 MSa/s, auto resolution selected Sample Memory 2 Gbyte Capture Length 1 to 512 Msamples (16 bit each of I and Q) Msamples (32 bit each of I and Q) TRIGGERING Trigger Mode Single/Repeat Trigger Type Software / Edge Edge Trigger Sources Immediate (software) Internal (IF or IQ level trigger) External Front panel (Trigger A/B) PXT Trigger Bus PXI Star Trigger PXI Local Bus (LBL6) Edge Trigger Polarity +ve and -ve Front Panel Trigger A/B Input level TTL, Logic High >2V, Logic Low <0.8V Input Impedance approx., 10 kω Output level TTL, Logic High 5V, Logic Low 0V Output impedance typ, 57Ω Trigger Delay (pre and post trigger) Capture length to 10 seconds Trigger Hold-off 0 to us Trigger Latency ±1 sample at the output sample rate INTERNAL OXCO FREQUENCY REFERENCE 10 MHz Accuracy Aging rate per day <0.001 ppm Aging rate per year <0. 1 ppm Temperature Stability (0 to 50 C) Typically <±0.01 ppm Warm-up time <5 minutes Output Level 2 V pk-pk square wave into 50Ω Output Impedance 50Ω The reference output can be enabled/disabled by a software call

7 EXTERNAL FREQUENCY REFERENCE 10 MHz ±100 Hz Input Impedance 50Ω or 100 kω, selectable in software External Reference Input Level 0.4 V to 4 V pk-pk GENERAL INPUTS/OUTPUTS RF IN SMA (F) 50Ω REF SMA (F) x2 LO In & Out SMA (F) 50Ω Trigger A & B SSMB (M) Front Panel LED Status Indicator Two colour, steady state, slow or fast flashing DIMENSIONS AND WEIGHT Dimensions 3-slot wide x 3U high PXI hybrid slot compatible module The left and centre occupied slots connect to the PXI backplane and both these slots are required to be PXI-1 or PXI hybrid compatible. Weight 1.15 kg (2.54 lbs) POWER Typical current consumption CONDITIONS OF STORAGE AND TRANSPORT Storage Temperature -40 to +70 C, meets IEC :2007 and :2007 Storage Humidity 5 to 93% non-condensing, tested to IEC :2001 Shock 30 g peak, half sine, 9 ms pulse. Tested in accordance with IEC :2008 Random vibration 5 Hz to 500 Hz, 2.46 g rms non-operating. Tested in accordance with IEC :2008 Compliance PXI Hardware Specification Revision 2.2, ECN 1 Revision1.0 (Hybrid Slot-Compatible PXI-1 Peripheral Module. PXI Software Specification Revision 2.1 VXI plug & play specifications (VPP-2, VPP-3.x, VPP-4.x and VPP-7) Electromagnetic Compatibility EN , Emissions Class A, Immunity Table 1 performance criteria B Safety EN Safety requirements for electrical equipment for measurement, control and laboratory use-part 1, General requirements. Minimum System Controller Requirements Recommended minimum memory 2 Gbyte Operating System, Windows 2000, Windows XP, Windows 7 (32 bit) +3.3 V 5.3 A +5 V 5.5 A +12 V 0.7 A -12 V 0.4 A Dissipation 59 W GENERAL Warranty 2 years Recommended Calibration Interval 1 year RATED RANGE OF USE Temperature 0 to 45 degrees C, Meets IEC :2007 and :2007 Operating Humidity 10 to 90% non-condensing, meets IEC : 2001 For the very latest specifications visit

8 VERSIONS, OPTIONS AND ACCESSORIES Ordering Numbers 3070A Option 01 Option 03 Option 05 Option 103 Option 106 Option 113 Description PXI High Performance RF Digitizer High Speed Switching range extended to 6 GHz Instantaneous bandwidth extended to 160 MHz WLAN a,b,g,n measurement suite Bluetooth measurement suite WLAN ac measurement suite (requires option 113 and 03) Accessories: SSMB-SSMB cable 150 mm 23448/907 SMA-SMA link cable 180 mm 43139/739 SMA-SMA link cable 130 mm 43139/738 SMA-SMA link cable 240 mm 43139/783 PXI Slot block (pack of 5) 22361/159 SMA connector saver 46885/224 3 db SMA attenuator 23448/841 6 db SMA attenuator 23448/ W SMA termination Torque screw driver (1nM) 22961/500 Option 203 Connectivity Test Sequencing (requires either option 103 or 106) 8 mm crowfoot spanner 22961/501 For all measurement suite specification see PXI Studio data sheet All options are available to retrofit in the field with pass key activation using PXI Studio. Supplied with: CD ROM containing driver installation, PXI Studio 2 and FFT spectrum measurement suite Test result CD ROM with calibration certificate SMA-SMA link cable 43139/739 CHINA Beijing Tel: [+86] (10) Fax: [+86] (10) CHINA Shanghai Tel: [+86] Fax: [+86] CHINA Shenzhen Tel: [+86] (755) Fax: [+86] (755) FINLAND Tel: [+358] (9) Fax: [+358] (9) FRANCE Tel: [+33] Fax: [+33] GERMANY Tel: [+49] Fax: [+49] INDIA Tel: [+91] 80 [4] Fax: [+91] 80 [4] JAPAN Tel: [+81] (3) Fax: [+81] (3) KOREA Tel: [+82] (2) Fax: [+82] (2) SCANDINAVIA Tel: [+45] Fax: [+45] SINGAPORE Tel: [+65] Fax: [+65] TAIWAN Tel: [+886] Fax: [+886] UK Stevenage Tel: [+44] (0) Fax: [+44] (0) Freephone: USA Tel: [+1] (316) Fax: [+1] (316) Toll Free: As we are always seeking to improve our products, the information in this document gives only a general indication of the product capacity, performance and suitability, none of which shall form part of any contract. We reserve the right to make design changes without notice. All trademarks are acknowledged. Parent company Aeroflex, Inc. Aeroflex info-test@aeroflex.com Our passion for performance is defined by three attributes represented by these three icons: solution-minded, performance-driven and customer-focused. Part No /012, Issue 4, 11/13