open stubs
Bandwidth Enhancement of Wideband Dual-Polarized Antenna with Loaded Open Stubs for Wireless Communication
... In this paper, a wideband dual-polarized antenna is presented for wireless communication. Owing to the loaded open stubs, the operating impedance bandwidth is significantly enhanced for the antenna element. ...
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Compact Microstrip Lowpass Filter with Ultra-Wide Stopband Using Patch Resonators and Open Stubs
... Abstract—A compact microstrip lowpass filter with ultra-wide stopband characteristics and high suppression level is presented. To achieve compact size and wide stopband suppression along with improved impedance matching, ...
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Miniaturized Microstrip Dual-Band Branch-Line Crossover with Two Inner Open Stubs
... inner open stubs, miniaturization of the window-shaped crossover can be ...inner open stubs ...inner open stubs to free up internal space, as shown in ...
6
Miniaturized Size Branch Line Coupler Using Open Stubs with High-Low Impedances
... of open stubs with low and high impedances is introduced and applicable to shrink the length of the transmission line and invariably the dimension of the branch line ...
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Simulation of a Bandstop Filter with Two Open Stubs and Asymmetrical Double Spurlines
... A pair of asymmetrical double spurlines is inserted between the two open stubs of a conventional BSF to form a novel BSF. The proposed BSF is simulated on Sonnet Suite software. Simulation results show the ...
5
Broadband Substrate to Substrate Interconnection
... The top and side views of the proposed interconnection are shown in Figures 2(a) and (b), respectively. The heights of Substrate 1 and Substrate 2 are 0.5 mm and 0.2 mm, respectively. And its equivalent circuit is shown ...
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Electronically Switchable Ultra-Wide Band /Dual-Band Bandpass Filter Using Defected Ground Structures
... Abstract—In this paper, an electronically switchable ultra-wideband (UWB)/dual-band bandpass filter using defected ground structures (DGSs) is proposed. The proposed filter consists of meandered inter-digital coupled line ...
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High Selectivity Wideband Bandpass Filter Based on Transversal Signal-Interaction Concepts Loaded with Open and Shorted Stubs
... two open coupled lines and a shorted stub to realize a wide passband, and Path 2 employs open coupled lines loaded with open stubs to achieve transversal signal- ...
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Dual-Band Bandpass Filter Using a Single Short-Ended Dual-Mode Resonator with Adjustable First Passband
... loaded open stubs, inside and outside of the resonator, are utilized to tune the center frequency and the external quality factor of the first passband respectively, while there is no influence on the ...
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Compact Harmonic Suppressed Coupler Using T-Stub Loaded Transmission Line
... using open stubs with high and low impedance is ...using open stubs that is t-stub loaded transmission line and -stub loaded transmission line ...of stubs becomes very large at 375MHz ...
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A Compact Wideband Filtering Power Divider
... fan-shaped open stubs is inserted into a conventional Wilkinson power divider, and the reflection coefficient of the input port is reduced to − 26 dB, but the frequency selectivity is not very ...an ...
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Microstrip Wideband Bandpass Filter Based on Square Ring Loaded Resonator
... loaded open stubs are loaded outside the ring in this work, whereas two loaded open stubs are added inside the ring in ...loaded open stubs, leading to an extra bandwidth of the ...
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A Compact Dispersive Delay Line Using Microstrip Lines and Opened Slot Lines
... Abstract—A dispersive delay line (DDL) with compact size, good group delay, and all pass response in 200–800 MHz band is presented. The proposed DDL is composed of a main microstrip transmission line with two shunted ...
6
Compact UWB Power Divider, Analysis and Design
... In this paper, two ultra-wide band power dividers are introduced. Compact equal power divider is considered firstly where an extended transmission lines and double open stubs are used in order to increase ...
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A Compact UWB Bandpass Filter with Improved Out-of-Band Performance Using Modified Coupling Structure
... folded open stubs. Moreover, by adjusting the length of the open stubs, spurious passband response can be properly tuned with the desired passband response nearly ...
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Compact Dual-Mode Open Stub-Loaded Resonator and BPF
... shaped open stub, leading to the approximate transmission line circuit models represented in Figures 2(a) and ...circular open stubs in pairs and high impedance microstrip line, whereas those of even ...
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Dual-Wideband Bandpass Filter Using Open and Shorted Stubs Loaded Ring Resonator
... an open stubs loaded ring resonator is ...the stubs, the port separation angle can also be tuned to adjust the transmission zero positions, making the filter obtain good passband and stopband ...
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A Compact Dual-Band Coupled-Line Balun with Tapped Open-Ended Stubs
... For balun design, different topologies had been studied for size reduction [10–13] and bandwidth enhancement [14–16]. Efforts on multi-band baluns, however, are limited. Guo et al. realized a dual-band balun by replacing ...
14
Novel UWB BPF Using Quintuple-Mode Stub-Loaded Resonator
... of open stubs in shunt and short-circuited stubs, the first five resonant modes of the resonator can be roughly allocated within the ...short stubs can generate two transmission zeros near the ...
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Novel Even Harmonic Mixer for 3G Mobile Receivers
... the stubs as shown in Figure 1. The length of the open and the short circuited stubs is designed to be equal to an electrical length of λ/4 at LO frequency f LO , So the impedance of ...
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