Advent Calendar of Circuits 2014: Day 4: Simple RF Power Measurement
Автор: Alan Yates
Загружено: 2014-12-04
Просмотров: 7789
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Simple diode peak detecting dummy load for measuring moderate amounts of RF power (in the 100 uW to 1 W region).
The table shown in the video: http://www.vk2zay.net/calculators/?bo...
An old project of similar design: http://www.vk2zay.net/article/130
An Analog Devices log-detector power meter with much more dynamic range on the low-side: http://www.vk2zay.net/article/237
Note: The lack of an input DC blocking capacitor, while allowing DC power measurement and DC calibration, means there must not be a DC bias in the input for measuring RF. Add an external capacitor if there is a DC level to be rejected before power measurement.
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