Multi-Port RF Subsystem PXI Compatible Vector Source & Measurement System RF Functionality Parallel Measurement Support Full Source and Measure Capability Vector Network nalyzer Capability Full Modulation Support (Optional) Two-tone Source Support (Optional) PXI to XIe Mixed-Signal Synchronization Features PXI ased Uses Standard Components 100 MHz to 6 GHz 2,4,8,16 and 32 Port configurations 2 Channels per PXI slot Fast Settling PXI RF sources ll ports support all features High ccuracy Source and Measure Unique Highly Integrated Packaging lind Mate SM Connector Interface Industry Standard ack End DSP pplications Characterization and Validation Multi-Site utomated Production Test RF Device Standalone Testing RF SOC Device Testing Programming Drivers for C++, LabWindows/CVI
Hardware Description The WRx Subsystem is a fully integrated multi-port RF subsystem design to handle all of the test requirements of RF and SOC integrated circuits. The WRx is a flexible solution providing a configurable number of ports and sources. ll components make use of industry standard PXI interface technology for high speed, reliability and flexibility. Typical 8 Channel WRx Subsystem testing Quad-site. RF GENERTOR RF 1 RF MUX 2 RF 1 RF 2 RF 3 RF 4 Tester Resources DUT 1 RF GENERTOR RF IN 1 DUL DIGITZER IN 2 DUT 2 RF GENERTOR RF IN 1 DUL DIGITZER DUT 3 IN 2 1 RF MUX RF 1 RF 2 RF 3 DUT 4 2 RF 4 PXI Chassis RF Quad DUT Site The unique Dual Port RF Module forms the core of the system. While supporting complex 2 port measurements, it also provides precision source and measure capability. Each port is capable of performing the following measurement types: CW Sourcing Two Tone Sourcing Modulated Carrier Sourcing Noise Sourcing RF Spectral measurement RF Power Measurement S-Parameter Measurement Return Loss and VSWR Measurement DSP ased Modulation Measurement Noise figure Measurement Phase Noise Measurement
Specifications Summary Source Mode Frequency Resolution Frequency ccuracy Frequency Settling Time Level Range Level ccuracy (relative to calibration standard) Level Resolution Level Settling Time Port Output Return Loss Spectral Purity - Phase Noise Spectral Purity - Spurious Spectral Purity - Harmonics and Sub- Harmonics Modulation Modes EVM (internal WG) Linearity Modulation andwidth Scalar Measure Mode Source Port to Measure Port Isolation* *on different Port Modules Source Port to Measure Port Isolation * 50 MHz to 6.0 GHz 1 Hz (<3 GHz) 2 Hz (>3 GHz) same as 10 MHz reference (1ppm typ) <3mS -110 dm to +12 dm (<3 GHz) -110 dm to +8 dm (>3 GHz) +/-0.25 d +/- 0.5 d (<-50 dm) +/- 0.75 d (<-80 dm) 0.01d <5mS >10dm <-115 dc/hz @ 20 KHz Offset <-135 dc/hz @ 1 MHz Offset <-60dc <-30dc Internal M and FM Internal I/Q External IQ (with optional WG) 1.5% Typical (<3 GHz) on WCDM 0.5% Typical (<3 GHz) on EDGE 2% Typical on 802.11a,b,g >55d CPR on WCDM Meets 802.11a/g spectral mask with >10d standoff Depends on the Source module 50 MHz to 6.0 GHz >75 d (<2 GHz) >65 d (<3 GHz) >55 d (<5 GHz) >50 d (<6 GHz) >62 d (<2 GHz)
*on the same Port Module Level Range Max Noise Figure Third Order Intercept (Input Two-tone) ccuracy (CW) (relative to calibration standard) andwidth P Filter Vector Network nalyzer Measurement Level Range ccuracy (S21) Effective Directivity One Port Calibration Type Two Port Calibration Type VN Measurements S-Parameter Measurement Time Noise Measurement Calibration Type Measurements >55 d (<3 GHz) >48 d (<5 GHz) >38 d (<6 GHz) +20 dm (<0.1 d compression) +30 dm (no damage) <8 d (<2.6 GHz) <10 d (>2.6 GHz) >40 dm (>500 MHz) >28 dm (<500 MHz) +/-0.25 d (>-50 dm) +/- 0.5 d (<-50 dm, >-80 dm) +/- 0.75 d (<-80 dm) 35 MHz @3 d Same as Scalar mode +5 dm to -30 dm (for specified accuracy) <0.2 d, +/-2 degrees >40 d Short, Open, Load Short, Open, Load, Through (12 Term Error Correction Model) S11,S12,S21,S22 VSWR, Return Loss <5 ms per point Excess Noise Source Noise Figure Noise Magnitude Noise Figure Range Noise Figure ccuracy <2 d for DUT Gain >10 d +/-0.25 d (f<2.5 GHz) +/-0.5 d (f>2.5 GHz)
Configuration Example 8 Channel WRx Subsystem RF Gen RF Gen NI-5652 NI-5652 RF Mux In 1 CH 1 & 2 CH 1-4 CH 3 & 4 CH 5 & 6 CH 5-8 CH 7 & 8 Digitizer Digitizer DPRM NI-5122 NI-5122 RF RF RF RF RF Mux In 1 RF Gen NI-5652 Out1 CH0 CH0 Out1 Out2 1 CH1 3 5 CH1 7 Out2 Out3 TRIG TRIG Out3 Out4 CLKIN CLK CLKIN CLK Out4 In 2 2 4 6 8 In 2 Consists of: 11 PXI Modules: 4 Modules 2 RF Mux Modules 2 RF Generator Modules 1 Optional RF Generator Modules (for two-tone) 2 Dual Digitizer Modules