1 9 THz 4 PIXEL LO SUBSYSTEM X

1. 9 THz 4 -PIXEL LO SUBSYSTEM (X 3 X 2 X 3 X 3 OPTION) 105 -115 GHz 210 -230 GHz 630 -690 GHz 636 GHz Tripler + 1. 9 THz Tripler 212 GHz Doublers 26 -33. 3 GHz Phase Matrix 26 -40 GHz Synthesizer ~ P. A. 500 m. W Microwave Dynamics Ka-Band Power Amplifiers X 3 120 m. W ~ 25% 500 m. W P. A. X 3 120 m. W 500 m. W Jet Propulsion Laboratory California Institute of Technology X 3 X 2 30 m. W ~ 25% 120 m. W X 2 1. 89 -2. 06 THz 1 m. W X 3 X 3 > 10 u. W ~ 5% 30 m. W X 3 1 m. W

1. 9 THz 4 -PIXEL LO SUBSYSTEM (X 3 X 2 X 3 X 3 OPTION) 1. 9 -2. 06 THz 633 -686 GHz 211 -229 GHz 2 -way coax power-divider 30 -40 GHz 105 -115 GHz Coax-WR 28 Adapters Low-loss 40 GHz coax cables Pout > 10 u. W/pixel Ka-band 2 -way power dividers 1. 9 THz tripler modules 225 GHz tripler module Jet Propulsion Laboratory California Institute of Technology 110 GHz tripler modules Ka-band Amplifiers 2

1. 9 THz 4 -PIXEL LO SUBSYSTEM (X 3 X 2 X 3 X 3 OPTION) Jet Propulsion Laboratory California Institute of Technology 3

1. 9 THz 4 -PIXEL LO SUBSYSTEM (X 3 X 2 X 3 X 3 OPTION) 4 Pixel 1. 9 THz Source Pixel 1 45. 0 Pixel 2 40. 0 Pixel 3 Pixel 4 Power Output (u. W) 35. 0 30. 0 25. 0 20. 0 15. 0 10. 0 5. 0 0. 0 1850 1860 1870 1880 1890 1900 1910 1920 1930 1940 1950 1960 1970 1980 Frequency Output (GHz) Jet Propulsion Laboratory California Institute of Technology 4