Strip Test Database
STRIP24 – Y-factor, cool-down
General information
| Polarimeter | STRIP24 |
| Acquisition date | |
| Band | Q |
| Cryogenic? | Yes |
| Operators | Paola Battaglia, Silvia Caprioli, Claudio Pincella |
| Description | Y-factor, cool-down |
| PHSW state | 0110 |
| Notes | The source data file was «SCI170406_152027 - Qband24_Y-Factor_LB_30K down_40-30-20-10_Polar_STRIP_PS0110_06Apr2017.txt» (1441 kB) ADC offset not available It was not possible to maintain 20K on the polarimeter.Temperature around 23K, increasing with the load temperature, causing a drift on the detector output. |
| Author | paola |
| Date of creation | |
| JSON record | Link |
- Download data file (301.6 KB)
ADC offsets
HEMT biases
| HEMT | Vd [V] | Id [mA] | Vg [mV] |
|---|---|---|---|
| H0 (HA1) | 0.7 | 7.6 | 500.0 |
| H1 (HB1) | 0.6 | 6.4 | 155.0 |
| H2 (HA2) | 0.7 | 5.2 | 630.0 |
| H3 (HB2) | 0.7 | 5.5 | 460.0 |
| H4 (HA3) | 0.7 | 6.8 | 84.0 |
| H5 (HB3) | 0.6 | 6.9 | -190.0 |
Temperatures
| TA1 [K] | TA2 [K] | TB1 [K] | TB2 [K] | Tp1 [K] | Tp2 [K] | Tc1 [K] | Tc2 [K] | |
|---|---|---|---|---|---|---|---|---|
| 20.0 | 23.8 | 40.0 | 41.8 | 23.3 | 13.9 | 15.0 | 24.4 |
|
| 20.0 | 23.9 | 30.0 | 31.8 | 23.1 | 13.7 | 15.0 | 24.5 |
|
| 20.0 | 24.0 | 20.0 | 23.2 | 22.9 | 13.5 | 15.0 | 24.5 |
|
| 20.0 | 24.0 | 10.0 | 12.4 | 22.7 | 13.4 | 15.0 | 24.5 |
|