Method and device for digitizing an analog electrical signal and method for digitizing
An electrical signal and signal technology, applied in the direction of analog-to-digital converter, analog-to-digital conversion, electrical components, etc., can solve the problems of complex and laborious, inverse operation, difficult temperature compensation, etc.
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[0021] figure 1 A block diagram of a device for digitizing an analog electrical signal Sa is shown. The device has a plurality (here three) of sub-channels SK1 , SK2 , SK3 connected in parallel, to which the signal Sa is simultaneously applied. The signal Sa is then amplified in each subchannel SK1 , SK2 , SK3 (signal amplification section A1 , A2 , A3 ) before the signal is supplied to the input of the AD converter ADC1 , ADC2 , ADC3 . The output values of the AD converters ADC1 , ADC2 , ADC3 then enter a common digital signal processor DSV, which receives the values (receiver UE) and forms and outputs the total digital value Sd therefrom.
[0022] The AD converters ADC1 , ADC2 , ADC3 are here identical in each case in the exemplary embodiment (but it is also possible to use different AD converters in each sub-channel SK1 , SK2 , SK3 ).
[0023] The amplitude of the signal Sa is within the total amplitude range (total dynamic range) D, and D is 24Bit. When the resoluti...
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