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Reconfigurable analog circuits typically employ programmable capacitor arrays (PCA).
Since PCA can be configured to take on a variety of values, verifying PCA by thoroughly going over all PCA values might take a long time.
We provide an effective built-in-self-testing (BIST) approach for PCA utilized in reconfigurable analog circuits to address this issue.
The suggested BIST technique has extremely little hardware overhead because it makes use of already-existing programmable resources.
Additionally, we offer two quick and efficient capacitor comparison methods that can be used to put the suggested BIST method into practice.
Investigating the offered circuit techniques’ accuracy allows for the development of closed-form equations that estimate the comparison accuracy that can be attained by the suggested methods.
The proposed methodologies are then validated using circuit simulations.
The Global Programmable capacitor array market accounted for $XX Billion in 2021 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2022 to 2030.
The NCD2400M is a specialized electronic oscillator calibrator Programmable capacitor array that offers dependable performance at 105oC, which is needed by OCXO applications.
To enable a wide range of tuning circuit topologies, this device can be employed in series or shunt mode. A 2-wire (I2C compliant) interface is used to transmit information on digitally controlled capacitance trimming.
The internal, reprogrammable, non-volatile memory has space for the calibration value.Features of the NCD2400M include:tiny package: DFN, 2mm x 2mm,1.7pF to 194pF is a large nominal capacitance range.355fF is the smallest switchable capacitor.-40°C to +105°C is a wide operational temperature range.
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