Scaling-friendly, analog correlators using charge-based margin propagation
AssigneesWashington University, Oregon State University
InventorsAravind Nagulu, Shantanu Chakrabartty, Arun Natarajan
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Abstract
A non-multiply-accumulate (non-MAC) charge-based analog correlator system including a sampler circuit block, an operand generation circuit block, and a margin propagation (MP) correlation computation circuit block is disclosed. The sampler circuit block is configured to sample a plurality of input analog signals. The operand generation circuit block is configured to generate operands based on the sampled plurality of input analog signals, and the margin propagation (MP) correlation computation circuit block is configured to generate correlated output signals based on the operands and using calculations in a charge domain.
Claims19
A non-multiply-accumulate (non-MAC) charge-based analog correlator system comprising:
- a sampler circuit block configured to sample a plurality of input analog signals;
- an operand generation circuit block configured to generate operands based on the sampled plurality of input analog signals;
- and
- a margin propagation (MP) correlation computation circuit block for the non-multiply-accumulate (non-MAC) charge-based analog correlator system, wherein the MP correlation computation circuit block is configured to:
- generate correlated output signals based on the operands and using calculations in a charge domain;
- and
- implement a rectifying-linear-unit (ReLU)-based MP function.
A method, comprising:
- generating a non-multiply-accumulate (non-MAC) charge-based analog correlator system comprising a sampler circuit block, an operand generation circuit block, and a margin propagation (MP) correlation computation circuit block;
- configuring the sampler circuit block to sample a plurality of input analog signals;
- configuring the operand generation circuit block to generate operands based on the sampled plurality of input analog signals;
- and
- configuring the MP correlation computation circuit block to:
- generate correlated output signals based on the operands and using calculations in a charge domain;
- and
- implement a rectifying-linear-unit (ReLU)-based MP function.
Dependencies are inferred from the claim text.