Wave transmission lines and networks – Transmission line inductive or radiation interference...
Patent
1997-10-03
1999-07-13
Gensler, Paul
Wave transmission lines and networks
Transmission line inductive or radiation interference...
330149, 331 77, 333202, 333247, H01P 120
Patent
active
059232250
ABSTRACT:
Active electronic circuits are immersed in photonic bandgap crystals (PBC's) that form part of transmission lines for propagation of output signals of the electronic circuits. The output signals of the electronic circuits are accompanied by noise signals that result from spontaneous emission in emission frequency bands which are associated with the active electronic circuits. The PBC's are configured to have photonic bandgaps that include at least a portion of the emission frequency bands. Because the active electronic circuits are immersed in the photonic bandgap crystal, the launch of at least a portion of the noise signals into the transmission line is thereby inhibited. Consequently, the output signal and less than all of the noise signals are propagated along the transmission line, i.e., the noise content of the circuit output is reduced.
REFERENCES:
patent: 5471180 (1995-11-01), Brommer et al.
patent: 5717359 (1998-02-01), Matsui et al.
patent: 5748057 (1998-05-01), De Los Santos
patent: 5818309 (1998-10-01), De Los Santos
Gensler Paul
Grunebach Georgann
Gudmestad Terje
Sales Michael W.
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