Oscillators – With parasitic oscillation control or prevention means
Patent
1996-05-08
1997-10-07
Mis, David
Oscillators
With parasitic oscillation control or prevention means
331 96, 331107DP, 331107T, 331107SL, 331108C, 331185, 455129, H03B 518
Patent
active
056752954
ABSTRACT:
A millimeter or microwave oscillator device for a receiver or a transmitter is described. The oscillator device including a high frequency oscillating circuit including an active device 41; said active device 41 having a first and a second contact 56, 52, a signal line 49 of said oscillator device 41 being connected to said first contact 56 for connection to a load circuit 43; a biasing circuit 47 for said active device; and a low frequency oscillation suppression circuit; wherein said low frequency oscillation suppression circuit includes a decoupling capacitor 45 and one electrode of said decoupling capacitor 45 is connected to said second contact 52. A manufacturing method for the oscillator device is also disclosed.
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E.R. Brown et al, "Fundamental Oscillations up to 200 GHz in Resonant Tunneling Diodes and New Estimates of Their Maxium Oscillation Frequency From Stationary-State Tunneling Theory" Aug. 1, (1988) J. Appl. Phys. 64(3):1519-1529.
V.P. Kesan, et al., "Microwave and Millimeter-Wave Qwitt Diode Oscillators" Dec. 12, (1989) IEEE Transactions On Microwave Theory And Techniques 37(12):1933-1939.
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Beyne Eric
Borghs Gustaaf
Brebels Steven
Fobelets Kristel
Pieters Philip
IMEC vzw
Mis David
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