Size: 930
Comment:
|
Size: 2242
Comment:
|
Deletions are marked like this. | Additions are marked like this. |
Line 1: | Line 1: |
---- | |
Line 2: | Line 3: |
---- | |
Line 5: | Line 7: |
'''Cold electronics:''' SiGe Caltech amplifier "Florence" (gain 40dB, 1dB compression point 0dBm integrated power). | '''Pixels:''' pitch 1.6x1.6mm. 224 pixels on design (16x16 array minus the corners). About 190 useful pixels. |
Line 7: | Line 9: |
'''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. | '''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. |
Line 11: | Line 15: |
{{attachment:spectrum1mm.jpg||width=800}} | |
Line 12: | Line 17: |
''Figure: Response spectrum measured in Grenoble on the 240GHz array used for run4-5-6.'' Please find below the data for the spectrum on the pixel 1 (frequency(GHz), Response (AU)): ---- |
|
Line 13: | Line 24: |
---- | |
Line 16: | Line 27: |
'''Cold electronics:''' SiGe Caltech amplifier SN 84 (unchanged, (gain 40dB, 1dB compression point 0dBm integrated power). | '''Pixels:''' pitch 2.3x2.3mm. 132 pixels on design (12x12 array minus the corners). 129 identified resonances, at least 125 useful pixels. |
Line 18: | Line 29: |
'''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. | '''Cold electronics:''' SiGe Caltech amplifier SN 84 (unchanged), (gain 40dB, 1dB compression point 0dBm integrated power, noise T around 4K). |
Line 20: | Line 31: |
'''Spectrum:''' peaking at 155 GHz | '''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:spectrum2mm.jpg||width=800}} ''Figure: Response spectrum measured in Grenoble on the 150GHz array used for run 6 (FWHM=135-170GHz).'' Please find below the data for the spectrum on the pixel 1 (frequency(GHz), Response (AU)): 102.16,449.8 105.68,364.14 109.21,790.38 112.73,860.81 116.25,7672.5 119.77,18558 123.3,20032 126.82,36197 130.34,65947 133.87,92085 137.39,1.2775e+05 140.91,1.5821e+05 144.43,1.8406e+05 147.96,2.0142e+05 151.48,2.217e+05 155,2.4001e+05 158.53,2.49e+05 162.05,2.2948e+05 165.57,1.9754e+05 169.09,1.5482e+05 172.62,93405 176.14,40109 179.66,12269 183.18,4264 186.71,1265 190.23,863.01 193.75,412.25 197.28,258.72 200.8,317.51 |
240 GHz band
Array: unchanged, still NICA 8e, 20nm Al IRAM. LO 1.95GHz, power per tone -50dBm (at cryostat input).
Pixels: pitch 1.6x1.6mm. 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.
Spectrum: peaking at 240 GHz.
Figure: Response spectrum measured in Grenoble on the 240GHz array used for run4-5-6.
Please find below the data for the spectrum on the pixel 1 (frequency(GHz), Response (AU)):
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 2.3x2.3mm. 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 6 (FWHM=135-170GHz).
Please find below the data for the spectrum on the pixel 1 (frequency(GHz), Response (AU)):
102.16,449.8
105.68,364.14
109.21,790.38
112.73,860.81
116.25,7672.5
119.77,18558
123.3,20032
126.82,36197
130.34,65947
133.87,92085
137.39,1.2775e+05
140.91,1.5821e+05
144.43,1.8406e+05
147.96,2.0142e+05
151.48,2.217e+05
155,2.4001e+05
158.53,2.49e+05
162.05,2.2948e+05
165.57,1.9754e+05
169.09,1.5482e+05
172.62,93405
176.14,40109
179.66,12269
183.18,4264
186.71,1265
190.23,863.01
193.75,412.25
197.28,258.72
200.8,317.51