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  2. Offset binary - Wikipedia

    en.wikipedia.org/wiki/Offset_binary

    A simple solution to this is to bias the analog signals with a DC offset equal to half of the A/D and D/A converter's range. The resulting digital data then ends up being in offset binary format. [5] Most standard computer CPU chips cannot handle the offset binary format directly [citation needed]. CPU chips typically can only handle signed and ...

  3. Analog-to-digital converter - Wikipedia

    en.wikipedia.org/wiki/Analog-to-digital_converter

    4-channel stereo multiplexed analog-to-digital converter WM8775SEDS made by Wolfson Microelectronics placed on an X-Fi Fatal1ty Pro sound card AD570 8-bit successive-approximation analog-to-digital converter AD570/AD571 silicon die INTERSIL ICL7107. 3.5 digit (i.e. conversion from analog to a numeric range of 0 to 1999 vs. 3 digit range of 0 to 999, typically used in meters, counters, etc ...

  4. Flash ADC - Wikipedia

    en.wikipedia.org/wiki/Flash_ADC

    A flash ADC (also known as a direct-conversion ADC) is a type of analog-to-digital converter that uses a linear voltage ladder with a comparator at each "rung" of the ladder to compare the input voltage to successive reference voltages.

  5. Successive-approximation ADC - Wikipedia

    en.wikipedia.org/wiki/Successive-approximation_ADC

    Counter type ADC: The D to A converter can be easily turned around to provide the inverse function A to D conversion. The principle is to adjust the DAC's input code until the DAC's output comes within ± 1 ⁄ 2 LSB to the analog input which is to be converted to binary digital form. Servo tracking ADC: It is an improved version of a counting ...

  6. Numerically controlled oscillator - Wikipedia

    en.wikipedia.org/wiki/Numerically_controlled...

    A binary phase accumulator consists of an N-bit binary adder and a register configured as shown in Figure 1. [5] Each clock cycle produces a new N-bit output consisting of the previous output obtained from the register summed with the frequency control word (FCW) which is constant for a given output frequency.

  7. Delta-sigma modulation - Wikipedia

    en.wikipedia.org/wiki/Delta-sigma_modulation

    The full conversion process for each typically includes post-filtering for demodulation and pre-filtering to remove aliases and noise. Analog is green. Digital is blue. The DDC (Digital-to-Digital Converter) requantizes its input from a high-bitdepth to a low-bitdepth. 1-bit synchronous ΔΣ modulation (blue) of a sine wave (red).

  8. Integral nonlinearity - Wikipedia

    en.wikipedia.org/wiki/Integral_nonlinearity

    In ADCs, it is the deviation between the ideal input threshold value and the measured threshold level of a certain output code. This measurement is performed after offset and gain errors have been compensated. [1] The ideal transfer function of a DAC or ADC is a straight line. The INL measurement depends on what line is chosen as ideal.

  9. Effective number of bits - Wikipedia

    en.wikipedia.org/wiki/Effective_number_of_bits

    Effective number of bits (ENOB) is a measure of the real dynamic range of an analog-to-digital converter (ADC), digital-to-analog converter (DAC), or associated circuitry. . Although the resolution of a converter may be specified by the number of bits used to represent the analog value, real circuits however are imperfect and introduce additional noise and distor

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