A Cherenkov camera with integrated electronics based on the ``Smart Pixel'' concept

Details A Cherenkov camera with integrated electronics based on the ``Smart Pixel'' concept A Cherenkov camera with integrated electronics based on the ``Smart Pixel'' concept

Jun 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000aipc..515..378b&link_type=abstract

GeV-TeV GAMMA RAY ASTROPHYSICS WORKSHOP: Towards a Major Atmospheric Cherenkov Detector VI. AIP Conference Proceedings, Volume

Astronomy and Astrophysics

Astrophysics

1

X- And Gamma-Ray Telescopes And Instrumentation

Scientific paper

An option for the cameras of the HESS telescopes, the concept of a modular camera based on ``Smart Pixels'' was developed. A Smart Pixel contains the photomultiplier, the high voltage supply for the photomultiplier, a dual-gain sample-and-hold circuit with a 14 bit dynamic range, a time-to-voltage converter, a trigger discriminator, trigger logic to detect a coincidence of X=1...7 neighboring pixels, and an analog ratemeter. The Smart Pixels plug into a common backplane which provides power, communicates trigger signals between neighboring pixels, and holds a digital control bus as well as an analog bus for multiplexed readout of pixel signals. The performance of the Smart Pixels has been studied using a 19-pixel test camera. .

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