Miniaturized analog circuits process light signals via integrated components, boosting signal-to-noise ratios while managing device complexity.
A switched capacitor integrator circuit uses shared sampling capacitors to process signals from inverting and non-inverting paths.
An integral value measuring circuit uses cross resistance elements to isolate power supply switching operations from the measurement section.
Switched capacitive circuitry conveys discrete charge during overlapping time intervals to ensure linear integration of continuous current.
A successive approximation integrator circuit measures charge using a comparator and controllable current source.