22jun11: IF2 rack polB +5volt power supply failed.
27nov06
check
the linearity of the programmable gain in the downstairs IF2
26oct06:
lbw
cable test with upstairs iflo shows loose cable in 750 Mixer
chassis.
05sep03:
increasing
the isolation for monitor port 1A in the downstairs IFLO.
23apr03:
Poor
isolation in the downstairs iflo monitor ports.
Documentation (manuals)
hp87130a switch driver (upstairs
if1).
See also:
Alfa if/lo
diagrams
In developement:
Dana's
2 Ghz wideband if/lo (.pdf)
Dana's 12meter
if/lo (version 23apr10) (.pdf)
Dana's 12meter if insertion in the standard
system (version 2: 23ap10)(.pdf)