A broadband, planar, monolithic resistive frequency doubler

Maas, S.A.; Ryu, Young Kee

doi:10.1109/mcs.1994.332110

Cited by 33 publications

(8 citation statements)

References 4 publications

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“…This will make the simulated results more accurate. Table 2 summarizes the comparisons of the proposed doubler with the reported balanced frequency doublers [3][4][5]12]. This frequency doubler adopts the proposed miniaturized balun, which also provides the compact size and satisfied performance.…”

Section: Doubler Resultsmentioning

confidence: 99%

“…Balun performance needs to provide outputs in terms of equal amplitude, 180-degree phase difference, and most important, compact size [2]. Many new topologies for the balanced doubler design have been developed to reduce the balun size with better area efficiency and balanced outputs over a wide frequency range [3][4][5][6][7]. Previously, good performance balanced doublers have been demonstrated, but the Marchand baluns with λ/4 multi-coupled line is too large in dimension to design flexibility [3,4].…”

Section: Introductionmentioning

confidence: 99%

“…Many new topologies for the balanced doubler design have been developed to reduce the balun size with better area efficiency and balanced outputs over a wide frequency range [3][4][5][6][7]. Previously, good performance balanced doublers have been demonstrated, but the Marchand baluns with λ/4 multi-coupled line is too large in dimension to design flexibility [3,4]. Moreover, the balanced doublers have been reported that rely on 3D MMIC or CPW technology to achieve its small chip size [5][6][7], but the complicated processes were difficult to design.…”

Section: Introductionmentioning

confidence: 99%

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The Miniature Frequency Doubler Using Compensated Capacitive Line in Balun

Lai

Chen

et al. 2010

PIER Letters

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A compact balanced frequency MMIC doubler using compensated capacitive line in Marchand balun is proposed. With multi-coupled lines technology, the balun is applied to a balanced doubler successfully. Compared with the conventional Marchand balun, more than 55% reduction in the length of coupled line can be achieved. Implemented by a PHEMT process, the compact monolithic balanced frequency doubler with better performance can be obtained. An operation bandwidth from 20 to 44 GHz with the best conversion loss of 8.4 dB at 25 GHz can be achieved. In addition, the fundamental frequency suppression is better than 28.9 dB, and the chip dimension is as small as 0.41 × 0.68 mm 2 .

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Section: Doubler Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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The Miniature Frequency Doubler Using Compensated Capacitive Line in Balun

Lai

Chen

et al. 2010

PIER Letters

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“…Since it is difficult to achieve truly differential signals with equal magnitude and opposite phase by an active balun in addition to more power consumption at high frequencies, a passive balun is taken into consideration. The Marchand balun is a very wideband passive balun and is popularly used for broadband applications such as a double-balanced diode mixer [5] and a frequency doubler [6]. However, most Marchand baluns are realized on a semi-insulating or high-resistivity substrate.…”

Section: Monolithic Broadband Gilbert Micromixermentioning

confidence: 99%

“…In other words, the connecting line has high associated loss than phase delay. The dissipated loss of a Marchand balun is defined as Loss (6) and is approximately 6 dB, as shown in Fig. 9.…”

Section: B Implementationmentioning

confidence: 99%

Monolithic Broadband Gilbert Micromixer With an Integrated Marchand Balun Using Standard Silicon IC Process

Tseng

Meng

Chang

et al. 2006

IEEE Trans. Microwave Theory Techn.

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A single-ended wideband downconversion Gilbert micromixer is demonstrated in this paper using 0.35-m SiGe BiCMOS technology. A transimpedance amplifier with resistive feedback is utilized in the IF stage while a broadband Marchand balun is employed to generate wideband differential local oscillator signals. The planar Marchand balun topology employed in this paper can generate truly balanced signals even in the presence of the lossy low-resistivity ( 10 cm) silicon substrate. A systematic approach to measure the frequency response of each individual stage in a Gilbert mixer is developed in this paper. This single-ended wideband mixer has the conversion gain of 15 dB, IP 1dB of 19 dBm, IIP 3 of 7 dBm, and the noise figure of 13 dB. The mixer works from 3.5 to 14.5 GHz. Index Terms-Downconverter, Marchand balun, micromixer, SiGe BiCMOS, silicon substrate, transimpedance amplifier (TIA), wideband.

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