High precision RF vector analysis system based on synchronous sa

Details High precision RF vector analysis system based on synchronous sa High precision RF vector analysis system based on synchronous sa

1995-03-23

1997-05-20

Wieder, Kenneth A.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Analysis of complex waves

324 7623, 324 7642, 324 7658, 327 92, 327 95, 327 96, G11C 2702

Patent

active

056315538

ABSTRACT:
The signals to be measured are transformed in the system to discrete time digital signals by synchronous sampling. These digital signals are then processed by a digital signal processor for vector detection and for computing digital feedback sent to the sampling gates. The analyzer has improved characteristics in the area of linearity, drift and test port signal injection because of its highly optimized architecture based on synchronous sampling with digital feedback. It possesses unique characteristics such as the ability to tune to a harmonic or a subharmonic of the excitation frequency and a good sensitivity in a high impedance environment.

REFERENCES:
patent: 4263521 (1981-04-01), Senger
patent: 4885545 (1989-12-01), Sanielevici
patent: 5239181 (1993-08-01), Sun
"A High Precision RF Vector Analyzer Based on Synchronous Sampling" by Raymond Courteau, IEEE Transactions on Instrumentation and Measurement, vol. 43, No. 2, Apr. 1994, pp. 306-310.

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