Characterization of MITLL CCID20-W6C1 thin 2k x 4k pixel size 15um x 15um Reported by M.Wei Sep.11,1997 Both "A" and "B" amps work TEST CONDITIONS temperature: -130c Voltages: Vdd = +19v Vr = +12.5v Vopg = 0v Vsub = 0v Vp1,2,3 = +2, -6v Vs1,2,3 = +6, -3v Vsw = +5, -5v RG = 10, 0v SCP = 10v read 3800(r)x2048(c) area only. changed gain of preamp. from 21 to 4.83 TEST RESULTS e-/DN: A: 0.40 Determined by Fe55 x-ray test B: 0.35 serial CTE A: 0.99999727 Determined by Fe55 x-ray test B: 0.99999855 Determined by Fe55 x-ray test vertical CTE 0.99999673 Determined by cosmic ray Vertical charge traps: 4 (in 3800(r) x 1024(c) area) Determined by charge-pumping method Read noise: A: 2.28e- DSC timing: 16us on data and 16us on baseline 2.36e- DSC timing: 4us on data and 4us on baseline B: 2.14e- DSC timing: 16us on data and 16us on baseline 2.17e- DSC timing: 4us on data and 4us on baseline Full well(nonmpp) 143 ke- Dark current: Measured from 1000s integration (nonmpp) top: 4.28e-/hour/pixel (nonmpp) med: 3.78e-/hour/pixel (nonmpp) btm: 3.78e-/hour/pixel low level linearity: 1sec. 5.5 DN 2sec 11.5 DN 4sec 21.7 DN 8sec 43.4 DN high level linearity: QE(%) 3200A 1.1 3500A 0.9 4000A 28.3 4500A 42.9 5000A 61.4 6000A 83.8 6500A 84.5 7000A 81.0 8000A 63.8 9000A 30.7 10000A 6.3 Fringing 8000A 9.7% 9000A 12.4% 10000A 26.6% --------------------------------------------- Discussion: (1)serial clocks -- noise "A": Vh noise(16us) noise(4us) 5,-5v 5.04e- 4.68e- 6,-3v 2.20e- 2.26e- "B": Vh noise(16us) noise(4us) 5,-5v 3.89e- 3.50e- 6,-3v 1.68e- 1.96e- (2) image:darkpattw6c1.ps is a dark field which was taken when the dewar was warming up