000 00658 a2200241 4500
001 347154
020 _a
041 _aeng
080 _aLNASA TN D 5509 : 1969
245 _aApplication of pressurized liquid nitrogen inside parametric-amplifier structures for input-noise-temperature improvement
250 _a
260 _aWashington, D.C.
260 _bNASA
260 _c1969
300 _a30 p.
300 _c
856 _u
490 _aNASA TN D 5509 : 1969
700 _a
650 _a
650 _aParametric amplifiers, Liquid nitrogen cooling, Noise reduction, Helium gas pressurization, Temperature rise in capacitance
942 _cPP
942 _2UDC
999 _c212760
_d212760