Results 201 to 210 of about 236,890 (260)

Tunable structured laser over full spatial spectrum. [PDF]

open access: yesLight Sci Appl
Sheng Q   +14 more
europepmc   +1 more source

Pragmatic-Awareness Gaining Activities : Closing the Conversation

open access: yesPragmatic-Awareness Gaining Activities : Closing the Conversation
openaire  

A down-conversion optical link with RF gain

Journal of Lightwave Technology, 1997
A down-conversion optical link with a radio frequency (RF) conversion gain of 33 dB was demonstrated at 450 MHz. The gain was increased to 17 dB using photodetector impedance matching. Limitations due to each link element are examined and down-conversion gain up to the millimeter-wave (mm-wave) frequency band is predicted.
R. Helkey, J.C. Twichell, C. Cox
openaire   +3 more sources

Conversion gain null in FET mixers

Proceedings of the IEEE, 1967
Minima of conversion gain are observed in FET mixers at rather low levels of drain-source voltage. This phenomenon is described by contours of constant conversion gain on the static drain characteristics. The explanation given in terms of polynomial coefficients is substantiated by cross-modulation data.
F.C. Fitchen, G.C. Sundberg
openaire   +1 more source

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