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Capacitive Array DAC Tool
The tool calculates the fixed and switch-able element capacitance for N binary weighted switch-able capacitance from the nominal capacitance value, specified range coverage and number of binary weighted bits. The tool is useful in circuits like VCO, Filter, etc where switched capacitors are used for tuning against process variations.

Block diagram

Inputs
Nominal Capacitance Value (>0) pF
Percentage Range of Capacitance %
Number of Binary Weighed Bits bits
 
Outputs
Minimum Fixed Capacitance Cmin pF
Capacitance Step Size Clsb pF
Tuning Quantization Error +/- %
Total Capacitance pF
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