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Size: 1608
Comment:
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Size: 2524
Comment:
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| Deletions are marked like this. | Additions are marked like this. |
| Line 9: | Line 9: |
| || Heater || 1.84 mA || From bias / heater loop test - corresponds to 2.68K || | || Heater || 1.5 mA || Result from bias / heater loop test (2.68K/1.84mA) exceeds thermal budget || |
| Line 17: | Line 17: |
| * Configuration table column : FMILTFast / FMILTFast_R for redundant * Accessible range : 50K - 1045K (nominal) |
* Configuration table: CONFGrat. Column : FMILTFast / FMILT_R_Fast for redundant * Accessible range : * 45K - 1045K (nominal) * 65K - 1065K (redundant) |
| Line 22: | Line 24: |
| * Configuration table column : CSLopt1 * Accessible range : -12500 to + 12500 * Optical zero : 650 (nominal) * Conversion chopper position - angle on the sky: |
* !!! Do NOT use the chopper in redundant mode !!! * Configuration table CONFChopper / column : CSLopt3-600 * Accessible range : -23000 to +23000 * At +/- 25000 a field plate limit disables the controller * Conversion chopper position - angle on the sky - FPU angle : || FPU Angle || Sky Angle || Chopper pos || Comment || || - 8.5 deg || || -22730 || center CS1 || || -4 deg || || -11451 || || || 0 deg || 0 || 650 || Optical zero || || +4 deg || || 12431 || || || + 8.5 deg || || 23000 || center CS2 || * Other angles - in the PCSS (release >20070303A) : {{{ from all import * # FPU angle : offset 650 print 650 + fpuAngle2ChopPosPol(Double1d([-4, 0, 4])) # Sky angle : scaling factor 80.69 print (650 + fpuAngle2ChopPosPol(Double1d([-4, 0, 4])))/80.69 }}} |
| Line 37: | Line 54: |
| * 80 Ohm = 71K | * 48 Ohm = 55K |
| Line 40: | Line 57: |
| * 92 Ohm = 76K | * 58 Ohm = 60K |
| Line 44: | Line 61: |
| * Scale: 1" on the sky = 0.18mm |
FM ILT reference numbers
Ge:Ga detector settings
- Blue
par
value
comment
Bias d
198 mV
From bias / heater loop test
Bias r
10 mV
Component level value - to be verified on CRE checkout test
Heater
1.5 mA
Result from bias / heater loop test (2.68K/1.84mA) exceeds thermal budget
- Red
par
value
comment
Bias d
69 mV
From bias / heater loop test
Bias r
10 mV
Component level value - to be verified on CRE checkout test
Grating
- Configuration table: CONFGrat. Column : FMILTFast / FMILT_R_Fast for redundant
- Accessible range :
- 45K - 1045K (nominal)
- 65K - 1065K (redundant)
- Conversion wavelength - grating position:
Chopper
- !!! Do NOT use the chopper in redundant mode !!!
- Configuration table CONFChopper / column : CSLopt3-600
- Accessible range : -23000 to +23000
- At +/- 25000 a field plate limit disables the controller
- Conversion chopper position - angle on the sky - FPU angle :
FPU Angle
Sky Angle
Chopper pos
Comment
- 8.5 deg
-22730
center CS1
-4 deg
-11451
0 deg
0
650
Optical zero
+4 deg
12431
+ 8.5 deg
23000
center CS2
Other angles - in the PCSS (release >20070303A) :
from all import * # FPU angle : offset 650 print 650 + fpuAngle2ChopPosPol(Double1d([-4, 0, 4])) # Sky angle : scaling factor 80.69 print (650 + fpuAngle2ChopPosPol(Double1d([-4, 0, 4])))/80.69
Filter Wheel PHOT
- POS A = Long wavelength (Green)
- POS B = Short wavelength (Blue)
Filter Wheel SPEC
- POS A = Short wavelength (50-70um)
- POS B = Long wavelength (70-100um)
Calibration sources
- CS1
- 48 Ohm = 55K
- Chopper position center : - TBD
- CS2
- 58 Ohm = 60K
- Chopper position center : + TBD
XY stage
- Scale: 1" on the sky = 0.18mm
- Spectrometer
- Focus : +5mm (from FMILT-1, not incompatible with spectro FMILT-2)
- Center spectro field :
- x = -12.8 mm
- y = +1.2 mm
- Photometer
- Focus : +5mm (from FMILT-1)
- Center field :
- x = 4 mm
- y = 0