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Agilent Network, Spectrum, and Impedance Evaluation of Electronic Circuits and Components Application Note 1308-1 Agilent 4395A/Agilent 4396B Network/Spectrum/Impedance Analyzer Introduction inductors, or other devices at the With the current trends requiring actual working condition. An imped- higher performance, smaller physical ance analyzer makes this task easy. size, lower cost, and higher reliability, fast cycle time is an increasingly After making a prototype, a review of important part of the product design. the circuit operation requires meas- This is true not only in the consumer urement of the following parameters: industry, but also in the communica- harmonics, noise, transmission char- tion and data processing industries. acteristics, and reflection characteris- tics. The vector network analyzer, and As shown in Figure 1, the develop- the spectrum analyzer must be used ment procedure involves designing for making these measurements. The the overall architecture, evaluating Agilent Technologies 4395A/4396B electronic components, building pro- Network/Spectrum/Impedance totypes, and evaluating circuit per- Analyzer Family combines three ana- formance. From the design point of lyzer functions in one instrument. view, it is essential to measure the This application note describes how impedance characteristics of electron- the 4395A/96B can be used to contri- ic components such as capacitors, bute fast cycle time for product development. Step1 Step2 Step3 Step4 Design Circuit Characterize Evaluate circuit Make Circuit Components perfomance Inductor NA Capacitor Oscillator Circuit Filter/ AMP SA Circuit Resonator Receiver Transmitter Figure 1. Circuit Development Process 2 The Agilent Combination nique (4395A: all RBWs, 4396B: 1Hz to Analyzers have the following 3kHz RBW) breaks the speed barrier to giv