Method for passively compensating for temperature coefficient of gain in silicon photomultipliers and similar devices
Patent
·
OSTI ID:1213435
A method for designing a completely passive bias compensation circuit to stabilize the gain of multiple pixel avalanche photo detector devices. The method includes determining circuitry design and component values to achieve a desired precision of gain stability. The method can be used with any temperature sensitive device with a nominally linear coefficient of voltage dependent parameter that must be stabilized. The circuitry design includes a negative temperature coefficient resistor in thermal contact with the photomultiplier device to provide a varying resistance and a second fixed resistor to form a voltage divider that can be chosen to set the desired slope and intercept for the characteristic with a specific voltage source value. The addition of a third resistor to the divider network provides a solution set for a set of SiPM devices that requires only a single stabilized voltage source value.
- Research Organization:
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC05-06OR23177
- Assignee:
- Jefferson Science Associates, LLC (Newport News, VA)
- Patent Number(s):
- 9,123,611
- Application Number:
- 14/063,627
- OSTI ID:
- 1213435
- Country of Publication:
- United States
- Language:
- English
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