date
design
construction
test
15 Dec 2006
two MGFC4453a transistors in parallel, in recycled WVR amp 31-20E-10
photo1
photo2
12K in 350 test dewar
noise temp measured with channelizer
26 Dec 2006
two MGFC4453a transistors in parallel, in recycled WVR amp 31-020D03
photo1
photo2
photo1, annotated
12K in 350 test dewar
noise temp measured with channelizer