Large Signal Network Analyzer2007-04-17
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Product Name:
Large-Signal Network Analyzer (LSNA)
Product Description:
The Maury/NMDG Large-Signal Network Analyzer (LSNA) is the latest advancement in large-signal network analysis. It was developed by NMDG Engineering and Maury Microwave, using technology licensed to Maury by Agilent Technologies (patents pending). It combines a unique set of hardware and software tools that calibrate and measure non-linear component characteristics, with mathematical tools for describing and interpreting non-linear behavior. The LSNA is, at present, the only commercially available solution that provides for accurate and complete measurement of two-port DUT characteristics in large-signal environments where non-linear component behavior may occur.
Applications
Transistor reliability/Repeatability
Breakdown Current
Forward Gate Conductance
Transistor model qualification under realistic large-signal conditions
Transistor model improvement using realistic large-signal measurements
Application of PA design theory through waveform engineering
Resistive Mixer Studies
System-level studies using simple-to-complex signals with a single connection
Benefits
Comprehensive understanding of complete large-signal DUT behavior under realistic RF or µwave excitation
Reduced manufacturing costs by minimizing design cycles
Optimize model parameters to LSNA measurements
Benchmark a wide range of device models (e.g., BSIM, MM11, EKV, VBIC, MEXTRAM, HICUM, etc.)
Higher confidence in your model versus small-signal modeling techniques
System Concept
The LSNA is designed to measure incident and scattered traveling voltage waves (or voltages and currents) in time, frequency domain or time-frequency domain (related to envelope simulation), as they appear at both signal ports of any two-port DUT under-going periodically modulated excitation. This is done while taking into account the possible interactions of what might be less-than-ideal qualities of the instrument in relation to the signal environment. This information represents the complete large-signal (non-linear) behavior of a device. The LSNA is a unique tool that measures the relevant spectral components of a two-port DUT under periodic, realistic RF or microwave excitation, and displays the resulting data as, a) Physical Quantity Sets (i.e., V-I and A, B) and b) Representation Domains (i.e., frequency (ƒ), time(t), and envelope). The measured data can be linked into other tools like ADS and ICCCAP using the supported CITIFile format.
Richard: 大信号网络分析仪,这是个好东西,可以观测大信号条件下的非线性表现,超越了S参数描述的小信号矢量网络分析仪。看介绍,这东西居然可以同时观测射频/微波信号的时域(电压/电流波)、频域、时频域波形,以及功率、效率等参数。随机附带的运行于Windows操作系统之上的应用软件可以轻松实现校准、测试甚至Bias设置等功能。业界唯一的商用大信号网络分析仪器,源自Agilent测试测量技术的深厚积淀,不得不赞!
