Received signal strength indicator circuit and method for correcting deviation thereof
A technology of received signal strength and signal strength indication, applied in the field of received signal strength indication circuit, can solve the problems of RSSI output deviation, large chip area, influence system deviation, etc., and achieve the effect of correcting system deviation
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[0024] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be further described in detail below in conjunction with the drawings and specific embodiments.
[0025] RSSI circuit block diagram of the present invention and figure 1 The prior art shown is the same. The specific method for correcting the deviation of the circuit is as follows: image 3 shown.
[0026] Step S301, the step of short-circuiting the input terminals: short-circuiting the first-stage amplifier 11 away from the comparator 12, that is, the two input terminals of the first-stage amplifier 11;
[0027] Step S302, comparator output detection step: detecting whether the output of the comparator 12 is high level or low level;
[0028] Step S303, sign bit setting step: set a sign bit to indicate the output of the comparator 12 detected in the comparator 12 outp...
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