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Cross-talk

In dual read-out mode, cross-talk occurs between the two amplifiers. An image of a star in one side of the image will then have a fainter electronic ghost image mirrored around the border of the two image sections.

Making photometry on the image and ghost image of the HiRAC artificial star, the following cross-talk strengths was found:

Signal in B channel from A channel:

Signal in A channel from B channel:


Tim Abbott
Fri Apr 9 15:11:52 ACT 1999