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
)