2010
DOI: 10.1109/lmwc.2010.2084076
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A Miniaturized Microstrip Balun Constructed With Two <formula formulatype="inline"><tex Notation="TeX">$\lambda/8$</tex></formula> Coupled Lines and a Redundant Line

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Cited by 15 publications
(9 citation statements)
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“…In this section, a frequency tunable balun with a maximum tuning center frequency (f1) of 2.5 GHz is designed. C1, C2, and C3 are functions of the operating frequency f0 when other circuit parameters are fixed, as observed in Equation (13). The curves of C1, C2, and C3 versus the tuning frequency (f0) are plotted, as shown in Figure 8.…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…In this section, a frequency tunable balun with a maximum tuning center frequency (f1) of 2.5 GHz is designed. C1, C2, and C3 are functions of the operating frequency f0 when other circuit parameters are fixed, as observed in Equation (13). The curves of C1, C2, and C3 versus the tuning frequency (f0) are plotted, as shown in Figure 8.…”
Section: Resultsmentioning
confidence: 99%
“…Among them, planar Marchand baluns are commonly investigated and used. In the past, modifications of the planar Marchand baluns have been reported, including bandwidth enhancement [10,11], miniaturization [12,13], and the design of an isolation circuit (IsC) [14,15]. However, two ports of the Marchand balun should be terminated to ground by using via-holes.…”
Section: Introductionmentioning
confidence: 99%
“…С целью улучшения рабочих параметров и уменьшения габаритов сим-ШИРОКОПОЛОСНОЕ СОГЛАСУЮЩЕ-СИММЕТРИРУЮЩЕЕ УСТРОЙСТВО… 51 метрирующие устройства претерпели ряд изменений [2][3]. В источнике [3] опи-сано миниатюризированное симметрирующее устройство на двух связанных от-резках линий передачи длиной / 8  . Недостаток данного устройства -узкая по-лоса пропускания.…”
Section: Introductionunclassified
“…It is well understood that the conventional distributed balun, such as Marchand balun, usually occupies too much circuit area and is not suitable for being realized with IC technology. Recently, a new distributed‐type balun, which is constructed by connecting two λ/8 coupled line with a short redundant line, was proposed and fabricated on the commercial PCB substrate for reducing the area of the distributed balun [5].…”
Section: Introductionmentioning
confidence: 99%
“…In this article, the miniature distributed balun, which is same type of that in Ref. 5, is constructed with 0.18 μm CMOS technology to show such a balun do exhibit some advantages in the CMOS monolithic microwave integrated circuit (MMIC) applications. The experimental results show that the area of the new‐type balun is only about the half of the conventional one and demonstrates the insertion loss is not only much lower than that of the lumped‐element transformer but also exhibits quite good amplitude balance and phase difference over a wide frequency band also.…”
Section: Introductionmentioning
confidence: 99%