3 dB frequency bandwidth
E-Shaped Patch Symmetrically Loaded with Tunnel Diodes for Frequency Agile/Broadband Operation
... with frequency at different notch length (Ln) is shown in ...resonance frequency but as notch length further increases another lower resonance frequency ...resonance frequency decreases with ...
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Low Profile Broadband Antenna Array for High-Rate Close Proximity Wireless Communication Systems at 60 GHz
... impedance bandwidth (VSWR < 2) to cover the wide unlicensed frequency band around 60 GHz (57–64 GHz) for the HRCP P2P wireless communication ...than 3 dB in the entire operating ...
9
Design of a Wideband Circularly Polarized Cross-Dipole with Wide Axial-Ratio Beamwidth
... wide 3 dB axial-ratio (AR) beamwidth is ...and 3 dB AR beamwidth. The simulated results indicate that the 3 dB AR beamwidth and gain beamwidth of the proposed antenna can achieve ...
7
Design of a 0.13 µm SiGe Limiting Amplifier with 14.6 THz Gain-Bandwidth-Product
... which frequency a flat group delay can maximally be achieved with a finite am- plifier ...56.6 dB DC gain and 21.5 GHz 3 dB bandwidth (GBW = ...and bandwidth approximately covers ...
7
Realization of Rectangular Dielectric Resonator Antenna for Broadband Applications
... versus frequency is shown in ...versus frequency of the low profile DRA are shown in ...−10 dB over a frequency bandwidth of 13% whereas the measured −10 dB returns loss ...
7
Design and Implementation of Compact Hybrid Four-Mode Bandpass Filter with Multi-Transmission Zeros
... central frequency of 3.4 GHz, bandwidth of ...0.05 dB in passband is ...center frequency of ...experimental frequency responses of the proposed four-mode BPF is shown in Figure ...a ...
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A Wideband Circularly Polarized Slot-Loaded Dipole Antenna with L-Shaped Arms and Parasitic Patches
... lower frequency by bending the dipole arms into ...(AR) bandwidth, two pairs of parasitic patches are introduced along the orthogonal sections of the L-shaped arms, so that the modified dipole can yield two ...
7
A Planar U Type Monopole Antenna for UWB Applications
... The simulation results were obtained by using High Frequency Structure Simulator (HFSS) [22]. Figure 2 shows the return loss curve for the proposed antenna, the bandwidth covers the frequency range ...
10
Bandwidth and Gain Enhancement for Probe-Fed CP Microstrip Antenna by Loading with Parasitical Patches
... CP bandwidth and gain is presented in this ...(AR) bandwidth is broadened by loading with a circle of eight truncated square parasitical ...10 dB impedance bandwidth was increased from ...the ...
7
Development of Circularly Polarized Array Antenna for Synthetic Aperture Radar Sensor Installed on UAV
... a 3-way circular-sector-shape power divider to excite circularly polarized ...center frequency of 1.27 GHz with an impedance bandwidth of 6.1% and 3-dB axial ratio bandwidth of ...
15
Axial Ratio Enhancement of Equilateral Triangular-Ring Slot Antenna Using Coupled Diagonal Line Slots
... impedance bandwidth and center frequency of 3-dB ...center frequency of both ...impedance bandwidth than conventional one and generates CP operation at ...of 3-dB ...
11
Novel Dual-Composite Right/Left-Handed Transmission Line and its Application to Bandstop Filter
... centre frequency of the filter is 5.1 GHz, and the bandwidth of stopband is ...the 3-dB bandwidth is 5.2 GHz, and the 20-dB bandwidth is ...
7
Piezoelectric Transducer-Tuned Fourth-Order Microstrip Bandpass Filter with Cross-Coupling
... High Frequency Structure Simulator ...center frequency of the filter changes from ...constant; 3 dB bandwidth of the filter changes from 156 MHz to 168 MHz over the tuning range; and the ...
10
A Novel Slot for Enhancing the Impedance Bandwidth and Gain of Rectangular Microstrip Antenna
... band BW 7 in CRMSA is due to the effect of lower horizontal slot which resonates in between BW 4 and BW 6 [9]. It is clear that slot can be either resonant or non-resonant. If it is resonant, the current along the edges ...
9
A High Efficiency Doherty Power Amplifier for TV Band Applications
... In our design, the previously designed class AB amplifier was used as the main amplifier. Hence, to complete the Doherty design, a class C amplifier is necessary as a peak amplifier. The schematic of this proposed class ...
11
Design of Circularly Polarized Planar Magneto-Electric Dipole Antenna
... impedance bandwidth, gain and axial ratio, the 2 mm wide ground plane has been changed to ...with frequency for different widths of ground ...cutoff frequency decreases by 500 MHz and 200 MHz ...
9
Performance Comparison of Different Shapes of Patch Antenna on Sapphire for RFID Application
... Now a days, increased a requirement of identification of object without contact [1]. A suitable technique to identify the objects without contact is a RFID (Radio Frequency Identification) system. RFID system is ...
8
Analysis of Influence of OADM Performance in Optical Networks on Zero dB bandwidth, Cutoff bandwidth and Cutoff magnitude
... blocking frequency width of the add-drop signals, and the power value linear changes between 10e8 and ...Cutoff bandwidth and the power value of the add-drop ...
6
Wideband Single-Feed Circularly Polarized Antenna
... The antenna consists of an L-shaped probe, four parasitic patches perpendicular to the probe, and a planar reflector. By modifying the structure of the patches, two orthogonal radiation modes are created to realize the ...
7
DC-link control filtering options for torque ripple reduction in low power wind turbines
... the bandwidth with the ARF and MAF, an auxiliary lead-lag filter is ...moderate bandwidth, MAF practically annuls the torque ripple but requires an increased number memory positions, and results in larger ...
15