Whispering gallery mode dielectric resonator oscillator circuit
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United States of America Patent
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Nov 10, 1998
Grant Date -
N/A
app pub date -
Jun 30, 1997
filing date -
Jul 3, 1996
priority date (Note) -
Expired
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Abstract
A microwave source has an amplifying transistor capable of operating at microwave frequencies and a frequency selection circuit. The circuit has a whispering mode dielectric resonator and a feedback loop having a first microstrip line connected by an impedance adaptation circuit to a gate of said transistor and a second microstrip line connected by an impedance adaptation circuit to a drain of said transistor. The dielectric resonator is located between the first line and the second line for magnetic field coupling therewith.
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