Results 11 to 20 of about 554 (193)
A Design Study of 100GHz Band Local Oscillator System by Using Yig Oscillator [PDF]
Journal of Astronomy and Space Sciences, 2003 In this paper, we make a design study for a local oscillator system of the 100 GHz band cosmic radio receiving system. We use the YIG oscillator with digital driver which is the main oscillator. This oscillator has a good frequency and phase stability at
Changhoon Lee +6 more
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Micromachines, 2020 A global design method for a terahertz monolithic integrated frequency multiplier is proposed. Compared with a traditional independent design, the method in this paper adopts overall optimization and combines the device with the circuit design.
Jin Meng +5 more
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SCHOTTKY DIODE TRIPLER IN THE 3-MM WAVE RECEIVER FOR INVESTIGATION OF ATMOSPHERIC GASES
Radio Physics and Radio Astronomy, 2015 A Schottky diode frequency tripler for the 3-mm receiver system designed for observation of ozone and carbon monoxide spectral lines at frequencies 110.836 and 115.271 GHz, respectively, is developed. The used varactor parameters are investigated and its
V. I. Piddyachiy
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IEEE Access, 2023 1-bit band-pass delta-sigma modulator (BP-DSM) can generate RF signal directly from 1-bit data stream in high dynamic range by oversampling technology without local oscillator (LO) and mixer, so the miniaturization of transmitter can be realized ...
Junhao Zhang, Noriharu Suematsu
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Injection-Locked Frequency Sixtuplers in 90 nm CMOS by Using the Push-Push Doubler
IEEE Access, 2023 This paper designs two single-stage LC-tank injection-locked frequency sixtuplers (ILFSs) fabricated in a 90 nm CMOS process and it describes the circuit design, operation principle, and measurement results of the ILFSs.
Sheng-Jen Cheng +5 more
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A Suspended Stripline Frequency Tripler Using a Left-Handed Nonlinear Transmission Line
International Journal of Antennas and Propagation, 2015 A suspended stripline frequency tripler using a left-handed nonlinear transmission line (LH NLTL) is presented. The proposed tripler using the LH NLTL is composed of a series of varactor diodes, shunt inductances, and a high-pass filter implemented with ...
In Bok Kim +3 more
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Microwave Photonic Frequency Tripler Based on an Integrated Dual-Parallel Modulator Structure
IEEE Photonics Journal, 2017 A new technique for tripling the frequency of a microwave signal is presented. It is based on an integrated dual-parallel Mach–Zehnder modulator, which generates two orthogonally polarised RF modulated optical signals with different modulation ...
Chongjia Huang +2 more
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Compact Wideband Antiparallel Diode Frequency Triplers Utilizing Planar Transitions
International Journal of Antennas and Propagation, 2015 Two designs of frequency triplers, which use planar transitions as baluns and an antiparallel diode pair to achieve wide bandwidth, are presented.
Wahab Mohyuddin +2 more
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A Monolithic Dual-Band 77/94 GHz Transceiver Front-End With Shared Frequency Multiplier
IEEE Access, 2019 This paper presents a monolithic dual-band 77/94 GHz transceiver front-end with shared frequency multiplier. The transceiver front-end consists of two transmitters and receivers, operating at 77 GHz and 94 GHz respectively to support dual-band operation.
Liang Chen, Lei Zhang, Yan Wang
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Effect of Input LSB/USB Signal Imbalance on a 1-bit BPDSM Using Manchester Encoding and Tripler
IEEE AccessDigital RF technology is necessary for the miniaturization of transmitters; however, its application to high-frequency bands is challenging due to the impractically high sampling frequencies required.
Yuki Fujiya +3 more
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