Dewar name:     #13
Uses:		Hamilton spectrograph
Date:           After Mar.3,1994
CCD:            Lick3 Orbit 464-8 2048x2048 Thick Phosphor coated
                15 u-meter pixels
Amp.:           AR
Temperature:    -125cn.

Voltages:
 Vdd=20.0 Vopg= 0.5 V2= 2.  Vh= 4.7 V1= 2.  Vw= 5.  Vt= 0.  R= 8.
  VR=12.0 Vsub= 0.     -8.0    -5.2    -8.0    -5.     -2.0    0.5

e-/DN:          1620/1220=1.33(AR)
		1620/1200=1.33(AL)

Noise:          3.5*1.33=4.7e-

CTE:		0.9999953/phase(serial)
		0.9999963/phase(vertical)

Traps:		very good

Full well:	mpp     3000*21*1.33=83,790e-
		nonmpp: 8000*21*1.33=223,440e-

Linearity:	1 sec. 14	1689
		2 sec  27	3340
		4 sec  53	6669

QE:(%)
        3500A   17.5
        4000A   19.7
        4500A   19.2
        5000A   21.0
        5500A   25.0
        6000A   33.3
        6500A   37.4
        7000A   46.1
        8000A   38.7
        9000A   19.7
        10000A   5.1

___________________________________________________________________
History:
Date:           After Dec.9,1993
CCD:            Loral Lick3 3-16-1,0 2048x2048 Thick Phosphor coated
                15 u-meter pixels
Amp.:           AL(changed to AR after return to mountain)
Temperature:    -125cn.

Voltages:
 Vdd=20.0 Vopg=-.70 V2= 2.  Vh= 3.8 V1= 2.  Vw= 5.  Vt= 2.  R= 6.
  VR=12.0 Vsub= 0.     -8.0    -6.0    -8.0    -5.     -8.0   -2.

e-/DN:          1620/1350=1.2(AL)
		1620/1450=1.12(AR)

Noise:          4.7*1.2=5.64 e-(AL)

CTE:		very good

Full well:	mpp     1.2*21*4200=105,840 e
		nonmpp: 1.2*21*4400=110,880 e

Linearity:	1 sec. 86.8
		2 sec 173.1
		4 sec 347.5

QE:(%)
        3500A   18.1
        4000A   20.9
        4500A   20.2
        5000A   22.7
        5500A   29.9
        6000A   43.9
        6500A   43.4
        7000A   48.2
        8000A   42.8
        9000A   21.6
        10000A   6.9

problems: (1) a few Dark columns
	  (2) High baseline for slow mode.(can't adjust to match both slow
		mode and fast mode)
	  (3) Can't use "clamp"
---------------------------------------------------------------------
Date:           After May 17,1993
CCD:            Loral RS 2B2 16-0,1 2048x2048 Thick Phosphor coated
                15 u-meter pixels
Amp.:           only one
Temperature:    -125cn.

Voltages:
 Vdd=23.5 Vopg= .15 V2= 2.  Vh= 4.7 V1= 2.  Vw= 5.  Vt= 0.  R= 6.
  VR=14.0 Vsub= 0.     -7.5    -5.2    -7.5    -5.     -4.    -2.

e-/DN:          1620/590=2.75  (Hamilton Spectrograph manual says 3.5,
			but the lab measurement is more recent and should
			be used).

Noise:          3.2x2.75=8.8 e-

Full well:	mpp     2.75*21*1600=92,400e
		nonmpp: 2.75*21*2100=121,275e

Linearity:	1 sec. 14.0
		2 sec  28.9
		4 sec  57.4

QE:(%)
        3500A   11.6
        4000A   13.1
        4500A   14.4
        5000A   16.9
        5500A   23.1
        6000A   38.1
        6500A   41.9
        7000A   40.0
        8000A   31.7
        9000A   13.6
        10000A   2.9


___________________________________________________________________

Date:		Before May 3,1993
CCD:		Loral 2B2 16-1,1 2048x2048 Thick Phosphor coated
		15 u-meter pixels
Amp.:		BR
Temperature:	-118c.

Voltages:
 Vdd=21.5 Vopg= 1.  V2= 2.  Vh= 3.  V1= 2.  Vw= 5.  Vt= 0.  R= 6.
  VR=12.5 Vsub= 0.     -7.5    -6.     -7.5    -5.     -4.    -2.

e-/DN:		BR: 1620/850=1.91
		BL: 1620/875=1.85

Noise:		BR: 3.4x1.91=6.5 e-
		BL: 3.2x1.95=5.9 e-

QE:(%)
	3500A	22.4
	4000A	23.0
	4500A	25.2
	5000A	31.4
	5500A	34.9
	6000A	36.3
	6500A	43.1
	7000A	40.1
	8000A	36.1
	9000A	20.7
	10000A	 7.5

Date: Sep.27,1990 Ford 6-0,0BR  
Date: Jun.8,1990  Ford 22-0,0AR 
Date: Nov.11,1993 Add "clamp" to Dewar box and preamp box.
Date: Nov.11,1993 recoat, Vv=2,-8