{HEAD ~ A selectable threshold multimode gain control apparatus} and method for a charge coupled device or CMOS imaging system includes an automatic gain control circuit which continuously controls gain in said {TAIL ~ CCD system} to produce a mutually continuous combined target gain level 
{ HEAD ~ A selectable threshold multimode gain control apparatus } and method for a charge coupled device or CMOS imaging system includes an automatic gain control circuit which continuously controls gain in said { TAIL ~ CCD system } to produce a mutually continuous combined target gain level
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