All NOEMA antennas are equipped with 2SB receivers, providing low noise performance and excellent long-term stability. The receivers provide two orthogonal linear polarizations in all three bands. Each of the two polarizations delivers a bandwidth of 7.744GHz in the lower sideband (LSB) and upper sideband (USB) simultaneously. The sky frequency ranges that can be covered in each band and further characteristics are given in Table . Receiver tuning will preferentially be done on a fixed frequency grid of 500MHz step width, on which the receiver performance is optimized (see Sect. for more details).
Band 1 | Band 2 | Band 3 | |
range/[GHz] | 82.000-108.256 | 138.616-171.256 | 207.744-264.384 |
range/[GHz] | 70.384-119.872 | 127.000-182.872 | 196.128-276.000 |
/[K] | 25-45 | 35-55 | 40-70 |
/[dB] | -15-...-10 | -15...-10 | -15 ... -10 |