Oscillators – With parasitic oscillation control or prevention means
Patent
1998-12-08
2000-04-04
Mis, David
Oscillators
With parasitic oscillation control or prevention means
331 68, 331116R, 331116FE, 331117R, 331117FE, 331117D, 331108D, 331177V, H03B 104, H03B 512, H03B 518, H03B 536
Patent
active
060466472
ABSTRACT:
A Voltage Controlled Oscillator (VCO) mitigates the effects of package parasitics by providing positive feedback connections, to sustain a desired oscillation, external to the IC package, thereby mitigating the effect of the bond wires and internal parasitics to allow the oscillation to be controlled by the desired external components. The VCO includes an electronic circuit with gain that is at least part of an integrated circuit (IC) and a package for the IC. A passive resonant circuit may be provided external to the IC package. The positive feedback of the electronic circuit is provided through at least one additional lead of the package, such that the connection is external to the package.
REFERENCES:
patent: 4482820 (1984-11-01), Kohsiek
Lucent Technologies - Inc.
Mis David
LandOfFree
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