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⇤ ← Revision 1 as of 2014-01-19 10:43:32
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Size: 1962
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| Deletions are marked like this. | Additions are marked like this. |
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| Describe DetectorInformation2014N7 here. | ---- === 240 GHz band === ---- |
| Line 3: | Line 5: |
| '''Array:''' Same as runs4,5,6. NICA 8e, 20nm Al IRAM. LO 1.955GHz, power per tone -50dBm (at cryostat input). | |
| Line 4: | Line 7: |
| '''Pixels:''' pitch 1600 x 1600 micron. 224 pixels on design (16x16 array minus the corners). About 190 useful pixels. '''Cold electronics:''' !SiGe Caltech amplifier "Florence" (gain 40dB, 1dB compression point 0dBm integrated power, Noise T around 6K). '''Warm electronics:''' NIKEL01. RF source 192.168.1.196 (IFR 2024 ''Leasametric''). 0dB attenuation at cryo IN. DAC 2, niv 3. VLF2500 low-pass filter at cryostat input. '''Optics and spectrum:''' Same optical configuration as run 4 and 5. One filter (LPE 9cm-1) less compared to run 6. Peaking at 240 GHz. {{attachment:spectrum_run7_1mm.jpg||width=800}} ''Figure: Response spectrum measured in Grenoble on the 240GHz array used for run7. Run PTXX'' Please find below the data for the spectrum on the pixel 1 (frequency(GHz), Response (AU)): TO BE ADDED ---- === 150 GHz band === ---- '''Array:''' NICA8f1, 18nm Al film made at IEF, litho PTA. LO 1.35GHz, power per tone -54dBm (at cryostat input). '''Pixels:''' pitch 2305 x 2305 micron. 132 pixels on design (12x12 array minus the corners). 129 identified resonances, at least 125 useful pixels. '''Cold electronics:''' !SiGe Caltech amplifier SN 84 (unchanged), (gain 40dB, 1dB compression point 0dBm integrated power, noise T around 4K). '''Warm electronics:''' NIKEL02, RF source 192.168.1.192 (IFR 2025 ''IRAM''), 3dB attenuation at cryo IN, starting DAC 2, niv 3. VLF2250 at cryostat input. '''Spectrum:''' peaking at 155 GHz. {{attachment:spectrum_run7_2mm.jpg||width=800}} ''Figure: Response spectrum measured in Grenoble on the 150GHz array used for run 7 (FWHM=135-170GHz).'' |
240 GHz band
Array: Same as runs4,5,6. NICA 8e, 20nm Al IRAM. LO 1.955GHz, power per tone -50dBm (at cryostat input).
Pixels: pitch 1600 x 1600 micron. 224 pixels on design (16x16 array minus the corners). About 190 useful pixels.
Cold electronics: SiGe Caltech amplifier "Florence" (gain 40dB, 1dB compression point 0dBm integrated power, Noise T around 6K).
Warm electronics: NIKEL01. RF source 192.168.1.196 (IFR 2024 Leasametric). 0dB attenuation at cryo IN. DAC 2, niv 3. VLF2500 low-pass filter at cryostat input.
Optics and spectrum: Same optical configuration as run 4 and 5. One filter (LPE 9cm-1) less compared to run 6. Peaking at 240 GHz.
Figure: Response spectrum measured in Grenoble on the 240GHz array used for run7. Run PTXX
Please find below the data for the spectrum on the pixel 1 (frequency(GHz), Response (AU)): TO BE ADDED
150 GHz band
Array: NICA8f1, 18nm Al film made at IEF, litho PTA. LO 1.35GHz, power per tone -54dBm (at cryostat input).
Pixels: pitch 2305 x 2305 micron. 132 pixels on design (12x12 array minus the corners). 129 identified resonances, at least 125 useful pixels.
Cold electronics: SiGe Caltech amplifier SN 84 (unchanged), (gain 40dB, 1dB compression point 0dBm integrated power, noise T around 4K).
Warm electronics: NIKEL02, RF source 192.168.1.192 (IFR 2025 IRAM), 3dB attenuation at cryo IN, starting DAC 2, niv 3. VLF2250 at cryostat input.
Spectrum: peaking at 155 GHz.
Figure: Response spectrum measured in Grenoble on the 150GHz array used for run 7 (FWHM=135-170GHz).