Wideband 67−116 GHz receiver development for ALMA Band 2 P. Yagoubov, T. Mroczkowski, V. Belitsky, D. Cuadrado-Calle, F. Cuttaia, G. A. Fuller, J.-D. Gallego, A. Gonzalez, K. Kaneko, P. Mena et al. (36 more) A&A, 634 (2020) A46 Published online: 04 February 2020 DOI: 10.1051/0004-6361/201936777