Results 291 to 300 of about 5,197 (334)
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High-Efficiency Terahertz Frequency Triplers
2007 IEEE/MTT-S International Microwave Symposium, 2007Design and experimental analysis of high-power and high-efficiency frequency triplers to the 220 GHz and 440 GHz bands are presented. Test data for the 220 GHz tripler show 23 mW output power with 16% efficiency. Test data for the 440 GHz tripler show 13 mW output power with 12% efficiency. The 3 dB bandwidth for both triplers is about 7%.
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A monolithic 280 GHz HBV frequency tripler
35th International Conference on Infrared, Millimeter, and Terahertz Waves, 2010We present the design and measurements of a Heterostructure Barrier Varactor based frequency tripler for 280 GHz. The tripler is fabricated as a monolithic circuit on an InP substrate, including the input and output waveguide probes.
Tomas Bryllert +3 more
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Unbalanced operation of a magnetic frequency tripler
IEEE Transactions on Magnetics, 1982This paper considers a magnetic frequency tripler operating from an unbalanced three-phase supply. It is shown that even small unbalances can significantly alter the normal behaviour of the device and lead to undesired operating modes. This paper outlines a method of analysis and offers general guidelines for the design of stable devices.
G. Bendzsak, P. Biringer
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Additional Losses in Frequency Tripler Windings
1988Magnetic frequency triplers under construction have mega-Watt outputs1 and accurate determination of their winding losses is essential. Methods established for rotating machines and transformers2,4,5 are inadequate for frequency multipliers which have highly distorted primary current and higher frequency output current.
Tadeusz Janowski, Ryszard Goleman
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Design of a 340GHz balanced frequency tripler
2015 IEEE International Conference on Communication Problem-Solving (ICCP), 2015We present a design of balanced configuration frequency tripler based on planar schottky varactor diodes and mounted on a 0.03mm thickness quartz_glass substrate. The Zero-Biased balanced configuration is adopted to simplify the circuit structure and easy assembly, The simulated results shows that the best conversion loss is 11.527dB at 338.4GHz when ...
null Zhong Fei Chen +2 more
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An 840GHz GaAs Monolithic Improved Balanced Frequency Tripler
2020 IEEE 5th International Conference on Integrated Circuits and Microsystems (ICICM), 2020In this paper, an 840GHz monolithic frequency tripler is designed based on a $25-\mu \mathrm{m}$ GaAs substrate and planar Schottky diode. In order to improve the conversion efficiency, an improved balance structure is used in the circuit. This structure balances the RF path while suppressing even harmonics.
Shize Guo +4 more
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Frequency Tripler with Anti-Serial Schottky Diodes
31st European Microwave Conference, 2001, 2001A frequency tripler for mm-waves is presented which consists of two inhomogeneously doped anti-serial Schottky diodes quasi-monolithically integrated into a microstrip circuit on quartz substrate. The multiplier combines the advantages of a varactor with symmetrical capacitance-voltage characteristic and the low leakage current of Schottky diodes [1 ...
M. Krach, J. Freyer, M. Claassen
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Harmonic analysis of the magnetic frequency tripler
IEEE Transactions on Communication and Electronics, 1963A magnetic frequency tripler is a nonlinear magnetic system which is used for the production of triple-frequency output from a 3-phase fundamental frequency source. Although triplers have been used extensively for certain applications, the design of these devices has until now been largely empirical. Earlier papers1,2 have presented limited analyses of
P. P. Biringer, G. R. Slemon
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A Ku-band diode-array frequency tripler
IEEE Antennas and Propagation Society International Symposium 1997. Digest, 2002The authors present a diode-grid frequency tripler based on an array of bowtie antennas. The array permits DC biasing of the varactors and is scalable to millimeter and submillimeter wave frequencies. The tripler produced an output power of approximately 40 mW at 15 GHz with an efficiency of 14%.
D.S. Kurtz, R.F. Bradley, R.M. Weikle
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An 840 GHz Monolithic Improved Balanced Frequency Tripler
Optik, 2020Abstract This paper reports an 840 GHz monolithic frequency tripler based on 25-μm GaAs membrane and planar Schottky diode. An improved balanced structure is proposed and used in the circuit, which can provide an excellently balanced RF path. An electromagnetic model of planar Schottky diodes is established based on physical characteristics for ...
Xusheng Tang +5 more
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