[ISMOT해외학회발표_Italy_Roma]X-band Voltage-Controlled Hairpin Resonator Oscillator

[ISMOT해외학회발표_Italy_Roma]X-band Voltage-Controlled Hairpin Resonator Oscillator-3

[ISMOT해외학회발표_Italy_Roma]X-band Voltage-Controlled Hairpin Resonator Oscillator-4

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논문 > 공학계열
2011.07.09
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[ISMOT해외학회발표_Italy_Roma]X-band Voltage-Controlled Hairpin Resonator Oscillator에 대한 자료입니다.

X-band Voltage-Controlled Hairpin Resonator Oscillator
Using GaAs MESFET Varactor

I. INTRODUCTION
II. DESIGN OF THE ACATIVE RESOANTOR OSCILLATOR
III. MEASUREMENT AND RESULTS
IV. CONCLUSION
ACKNOWLEDGMENT
REFERENCES

본문내용

Abstract- This paper presents an X-band voltagecontrolled
hairpin resonator oscillator using GaAs
MESFET varactor. To get wide tuning range, the
hairpin resonator is combined with the MESFET
varactor. It is incorporated into the series feedback
oscillator. The measurement of the oscillator
showed the frequency tuning range of 11.15 MHz
with the output power flatness less than 0.10 dB at
the center frequency of 8.836 GHz. The
fundamental output power was 12.34 dBm and the
second harmonic was suppressed by 􀋰32.04 dBc,
and the phase noise performance was 􀋰95.78
dBc/Hz at 100 kHz offset.

Index Terms- GaAs MESFET, microstrip hairpin
resonator, oscillator, phase noise.

참고문헌

REFERENCES
[1] D. B. Leeson, “A simple model of feedback
oscillator noise spectrum”, in Proc. IEEE, Vol. 54,
pp. 329-339, Feb. 1966.
[2] A. Hajimiri and T.H. Lee, “A general theory of
phase noise in electrical oscillator”, IEEE J. Solid-
State Circuits, Vol. 33, no. 2, pp. 179-194, Feb.
1998.
[3] T.H. Lee and A. Hajimiri, “Oscillator phase noise:
A tutorial”, IEEE J. Solid-State Circuits, Vol. 35,
no. 3, pp. 326-336, Mar. 2000.
[4] M. Sagawa, K. Takahashi and M. Makimoto,
“Miniaturized hairpin resonator filters and their
applications to receiver front-end MIC’s”, IEEE
Trans. Microwave Theory Tech., Vol. 37, no. 12,
pp. 1991-1997, Dec. 1989.
[5] Jenshan Lin and Tatsuo Itoh, “Tunable active
bandpass filter using three-terminal MESFET
varactors”, 1992 IEEE MTT-S Dig., pp. 921-924,
June 1992.
[6] W. R. Curtice and M. Ettenberg, “A nonlinear
GaAs FET model use in the design of output
circuits for power amplifier”, IEEE Trans.
Microwave Theory Tech., Vol. MTT-33, pp. 1383-
1394, Jan. 1985.
[7] J. Y. Lee and U. S. Hong, “A voltage controlled
dielectric resonator oscillator using three-terminal
MESFET varactor”, Electronics Letters, Vol. 30,
no. 16, pp. 1320-1321, Aug. 1994.

#VCO # Oscillator # RF # Hairpin Resonator # X-band #GaAs # MESFET # Varactor

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