Wide dynamic range radio frequency power detection apparatus and detection mode thereof
A wide dynamic range, RF power technology, used in transmission monitoring, electrical components, transmission systems, etc., can solve the problems of slow system output response and long stabilization time
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[0022] The invention will be described in detail below in conjunction with the drawings and embodiments:
[0023] The present invention proposes a new method and detection device for realizing a wide dynamic range rms power detector, using automatic zeroing to realize mismatch compensation of the internal amplifier circuit of the detector, so as to make the input dynamic range of the rms power detector The lower limit is extended.
[0024] As a specific embodiment of this patent, the present invention provides an implementation block diagram such as figure 2 Shown is a wide dynamic range radio frequency power detection device, including signal input ports 1, 5 switches, squaring unit 3, logarithmic converter 4, current-voltage converter 5, buffer 6 and 6 capacitors. The converter 4 includes amplifiers and detectors, the number of amplifiers is 2-8, and the number of detectors is 2-8. This patent can use a logarithmic converter with built-in amplifiers and detectors to process the ...
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