1. f
m
a
x
of 490 GHz Metamorphic
I
n
0.52
A
l
0.48
A
s
/
I
n
0.53
G
a
0.47
A
s
HEMTs on GaAs Substrates;Bollaert S.;Electronics Letters,2002
2. Dependence of Varactor Cutoff Frequency on Extrinsic Series Resistance and Bias Voltage;Vendelin G. D.;Proceedings of the IEEE,1966