TY  - RPRT
TI  - Negative Differential Resistance (NDR) frequency conversion with gain
AU  - Hwu, R. J.
AU  - Alm, R. W.
AU  - Lee, S. C.
PY  - 1992
UR  - https://ntrs.nasa.gov/citations/19930018577
ID  - 19930018577
ER  -