= Analog feedback shift register
{wiki=Analog_feedback_shift_register}
An Analog Feedback Shift Register (AFSR) is a type of circuit used in digital signal processing and communications. It is a variant of the traditional shift register but operates in the analog domain rather than the digital domain. In an AFSR, the elements of the register (usually capacitors or other analog components) retain continuous values, as opposed to being restricted to binary states (0s and 1s).
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