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2-dB gain bandwidth

Effects of Substrate Permittivity on Planar Inverted-F Antenna Performances

Effects of Substrate Permittivity on Planar Inverted-F Antenna Performances

... the gain and matching bandwidth variations of a planar inverted-F antenna (PIFA) for several dielectric ...frequency, bandwidth and gain are investigated. A gain drop of 2 ...

5

Design of a Wideband Circularly Polarized Cross-Dipole with Wide Axial-Ratio Beamwidth

Design of a Wideband Circularly Polarized Cross-Dipole with Wide Axial-Ratio Beamwidth

... 3 dB axial-ratio (AR) beamwidth is ...the gain beamwidth and 3 dB AR ...3 dB AR beamwidth and gain beamwidth of the proposed antenna can achieve over 210 ◦ and 155 ◦ , ...10 dB) ...

7

Enhancement Of Bandwidth and Gain Of Microstrip Patch Antenna

Enhancement Of Bandwidth and Gain Of Microstrip Patch Antenna

... The gain of a rectangular microstrip patch antenna with air dielectric can be very roughly estimated as ...of gain from the directivity relative to vertical axis of ...another 2-3 ...the gain ...

5

Design of Circularly Polarized Planar Magneto-Electric Dipole Antenna

Design of Circularly Polarized Planar Magneto-Electric Dipole Antenna

... impedance bandwidth, identical E-plane and H-plane radiation patterns, stable gain and low back radiations [1, ...impedance bandwidth and high gain, with differential feeding structure [7, 8], ...

9

Two Low Profile Unbalanced Fed Inverted L Elements on Square Conducting Plane for MIMO Applications

Two Low Profile Unbalanced Fed Inverted L Elements on Square Conducting Plane for MIMO Applications

... loss bandwidth larger than 10 dB, S21 and the directive gain in the z direction at ...−20 dB as the distance d become longer than 41 ...

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A Novel Slot for Enhancing the Impedance Bandwidth and Gain of Rectangular Microstrip Antenna

A Novel Slot for Enhancing the Impedance Bandwidth and Gain of Rectangular Microstrip Antenna

... gives gain in dB. It is seen that the gain is maximum in case of ...the gain from 0.86 to 3 dB when compared to the gain of conventional ...this gain could be expected ...

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Low Profile Broadband Antenna Array for High-Rate Close Proximity Wireless Communication Systems at 60 GHz

Low Profile Broadband Antenna Array for High-Rate Close Proximity Wireless Communication Systems at 60 GHz

... RHCP bandwidth (AR < 3 dB). A 2 × 1 element antenna array is designed to enhance ...impedance bandwidth (VSWR < 2), high RHCP gain ( > 6 dBic), and a wide RHCP ...

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Wideband Mushroom Composite Right/Left Handed Transmission Line Antenna with Cavity-Backed Substrate Integrated Waveguide

Wideband Mushroom Composite Right/Left Handed Transmission Line Antenna with Cavity-Backed Substrate Integrated Waveguide

... a 2 × 2 array of mushroom unit cells, feeding line and cavity-backed ...and gain of the antenna are ...measured gain of 7 dBi (peak measured gain of 9.5 dBi), wide − 10 dB ...

7

Wideband Cavity-Backed Crossed Dipoles for Circular Polarization

Wideband Cavity-Backed Crossed Dipoles for Circular Polarization

... Abstract—A novel circularly polarized cavity-backed antenna (CBA) excited by crossed bowtie dipoles is presented in this paper. It is fed by a transition from a microstrip line to doubleslot lines. The crossed dipoles ...

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Triple-Band Printed Dipole Antenna for RFID

Triple-Band Printed Dipole Antenna for RFID

... loss, bandwidth and gain. The measured bandwidth is recorded for VSWR < ...measured gain of the antenna are 0.4 dB, 0.7 dB and 0.2 dB at ...0.6 dB, 0.4 dB ...

9

Design of A Circularly Polarized E-shaped Patch Antenna with Enhanced Bandwidth for 2.4 GHz WLAN Applications

Design of A Circularly Polarized E-shaped Patch Antenna with Enhanced Bandwidth for 2.4 GHz WLAN Applications

... impedance bandwidth of the antenna and simultaneously maintain the axial-ratio level below 3 dB over the desired frequency band, and (b) to align the axial-ratio and impedance bandwidths ...

7

Three Stage Push Pull Inverters Based Transimpedance Amplifier

Three Stage Push Pull Inverters Based Transimpedance Amplifier

... implemented using PMOS transistor has been replaced by NMOS transistor as an active feedback resistor. This circuit operates at 1.6 V power supply voltage and for a current of 3μA. The proposed transimpedance amplifier ...

7

Review on Low Voltage Current Conveyor

Review on Low Voltage Current Conveyor

... ABSTRACT:Now a day current mode circuits have been receiving significant attention in analog signal processing. For high frequency current mode applications is a current conveyor. In many cases the conveyor-based ...

7

Bandwidth And Gain Enhanced Of Patch Antenna With Metamaterial Waveguide

Bandwidth And Gain Enhanced Of Patch Antenna With Metamaterial Waveguide

... An antenna can be characterized as the changing of an RF signal flow on conductor and into an electromagnetic wave in free space [7]. At the time when the signal is flow through the antenna, the antenna will transfer the ...

24

Novel Dual-Composite Right/Left-Handed Transmission Line and its Application to Bandstop Filter

Novel Dual-Composite Right/Left-Handed Transmission Line and its Application to Bandstop Filter

... A UWB bandstop filter using the D-CRLH-TL, which is consists of an “H”-shaped DGS and two stubs with rectangular patches, is proposed in this paper. The designed bandstop filter is simulated, fabricated and ...

7

Analysis of Influence of OADM Performance in Optical Networks on Zero dB bandwidth, Cutoff bandwidth and Cutoff magnitude

Analysis of Influence of OADM Performance in Optical Networks on Zero dB bandwidth, Cutoff bandwidth and Cutoff magnitude

... Cutoff bandwidth by 10 times, which is about 20dBm; The power value of the output optical signal 2 is increasing, and the extent to power value of optical signal 2 increases a little when the Cutoff ...

6

Bio-inspired sound localization sensor with high directional sensitivity

Bio-inspired sound localization sensor with high directional sensitivity

... Current iterations of MEMS directional microphones resolve this problem by using relatively high Q systems and optimize their operation for a limited amplification of intensity and phase difference that is stable across ...

5

Design of High Gain Bandwidth CMOS Operational Amplifier

Design of High Gain Bandwidth CMOS Operational Amplifier

... All transistors are ensured to be in saturation (region 2). This is carried out with DC analysis. Frequency compensation carried out makes one pole dominant and improves phase margin by separating two poles. Unity ...

7

Overview of UWB Feed

Overview of UWB Feed

... From the comparison of the Table.1 above, it can be seen that only traveling wave antenna and combined antenna are satisfied as feed in the condition of the phase center should not change with frequency. While the ...

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A Planar U Type Monopole Antenna for UWB Applications

A Planar U Type Monopole Antenna for UWB Applications

... [1, 2]. According to the FCC of definition of UWB, fractional bandwidth measured at − 10 dB points > 20% or total bandwidth > 500 MHz ...whole bandwidth [5–8], the others may have ...

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