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Elf: computer automation and error correction for a microwave network analyzer

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3 Author(s)
Williams, W.K. ; Div. of Eng. & Appl. Sci., California Inst. of Technol., Pasadena, CA, USA ; Compton, R.C. ; Rutledge, D.B.

A microwave measurement system has been developed that combines a personal computer (PC) and an conventional vector network analyzer to yield a full complex-error-corrected automatic network analyzer. The system consists of a Hewlett-Packard HP 8410C network analyzer, an HP 8350B sweep oscillator, and an IBM PC. A program called Elf runs on the PC, performing calibration and measurement algorithms and providing a flexible, menu-oriented user interface. The system, when calibrated, achieves a worst-case measurement error vector of magnitude ⩽0.02 for transmission and reflection coefficient measurements over the 2-12.4-GHz frequency range and has a measurement speed of three frequency points/s. Elf provides an inexpensive method for upgrading the HP 8410 to achieve the high accuracy of an automatic network analyzer

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Instrumentation and Measurement, IEEE Transactions on  (Volume:37 ,  Issue: 1 )