The IF/LO System

• Functional block diagrams (including computer commands) of the IF-LO system (by Jon Hagen)
  • Downstairs (Control Room) IF/LO System:
    • Channel A and Fiber (99 kb pdf file)
    • Channel B and LO distribution (95 kb pdf file)
    • 260 -> 30 MHz Converter, Visitor room IF source selector, Cal enable selector (54 kb pdf file)
  • Upstairs (Gregorian) IF/LO System:
    • Receiver input through fiber output (44 kb pdf file)
    • IF converter/Combiner (83 kb pdf file)

• Signal Conversion for the 1-2 GHz IF/LO path (html file)