Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1976-10-29
1978-08-22
Gensler, Paul L.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307237, 307320, 333 14, 333 31R, H03B 104
Patent
active
041092120
ABSTRACT:
A complementary distortion circuit for reducing the level of IM products in the output of a TWT amplifier. One embodiment of the invention includes a 3 db, 90.degree. coupler to divide the input signal into two components of equal amplitude but differing phase with an IM generator positioned in the path of each component. The IM generator may comprise non-linear phase modulators or non-linear amplitude modulators. The two components are then re-combined in a second, 3 db, 90.degree. coupler. The non-linear phase-modulators may comprise varactors and the non-linear amplitude modulators may comprise varistors. The unit is intended to operate in the microwave region.
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Bremenson et al., Linearizing System for Travelling-Wave Tubes, Revue Technique Thomson CSF, vol. 6, No. 2, 6/74, pp. 529-548.
Donnell John Robinson
Heiter George Ludwig
Miedema Hotze
Bell Telephone Laboratories Incorporated
Gensler Paul L.
Sheffield Bryan W.
Sherman Sylvan
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