8 GHz
An 8 GHz Front-End Module with High-Performance T/R Switch and LNA
... switching speed [1]. The input impedance of the LNA is matched directly to the output impedance of the SPDT switch instead of matching both of them to 50 ohm. This integrated design eliminates the loss caused by ...
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Design Of 8 - Shaped Dng Metamaterial For Gsm 1.8 Ghz Applications
... An 8-shaped DNG Metamaterial for GSM 1.8 GHz applications has been successfully ...1.8 GHz, it is observed that the designed structure exhibits atleast 45 % size ...The 8-shaped DNG ...
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A 1 8 GHz Power Amplifier Class E with Good Average Power Added Efficiency
... This paper presents a 1.8 GHz class-E controlled power amplifier (PA). The proposed power amplifier is designed with two-stage architecture. The main advantage of the proposed technique for output control power is ...
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A Relatively Inexpensive 5 8 Ghz Microwave System for Exploring Electromagnetic Phenomena in Laboratories
... This writing discusses an inexpensive 5.8 GHz microwave system that is comprised of an RF source, RF detector, and set of printed circuit board antennas. The system offers endless possibilities for exploring ...
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A Review on Empirical data collection and analysis of Bertoni’s model at 1 8 GHz
... The Okumura Model is a well-known classical empirical model to measure the radio signal strength in built up areas. This model was framed on the basis of accumulated data from Tokyo city of Japan. This model is perfect ...
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A high gain PIFA at 2 45 GHz and 5 8 GHz using wireless power transfer techniques for pacemaker application
... Figure-7 shows the reflection coefficient of 5.8 GHz at a different length of the patch. The frequency is shifted to left if the length of patch increased. At the same time, the reflection coefficient is shifted ...
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PIFA antenna for RFID application at 5 8 GHZ
... HFSS, with the results of a PIFA antenna without slot, to know the influence of the slot on our chosen antenna, at 5.8 GHz resonance frequency for RFID applications. To improve the results obtained, we have ...
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In vehicle channel sounding in the 5 8 GHz band
... The article reports vehicular channel measurements in the frequency band of 5.8 GHz for IEEE 802.11p standard. Experiments for both intra-vehicle and out-of-vehicle environments were carried out. It was observed ...
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ENHANCEMENT BANDWIDTH & GAIN OF HEXAGONAL PATCH ANTENNA AT 1 8 GHz
... [7] Ravindra Kumar Yadav, Jugul Kishor and Ram Lal Yadava, “Design of Hexagonal Patch Antenna for Mobile Wireless System,” IEEE IJSTM, Vol. 2 Issue 4,IEEE Trans. Antennas Propag., vol.978, no. 1, pp. 174- December 2011. ...
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Tetra Frequency Microstrip Antenna for Wireless Applications
... 1.8 GHz, 2.4 GHZ, 5 GHz, 6 GHz, ...2.4 GHz frequency band is also crowded with interfering devices like other Wi-Fi access points, microwave ovens, cordless phones, Bluetooth devices, ...
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A Current-Mode-Logic-Based Frequency Divider with Ultra-Wideband and Octet Phases
... Abstract—This paper presents a comprehensive analysis of a current-mode-logic frequency divider (CML FD) and the theoretical locking range of CML FD. The locking range of the CML divider is proportional to the injection ...
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Characterisation of chip-on-board (COB) encapsulate epoxies used in the printed circuit board assembly (PCBA) industry using variable frequency microwave (VFM) facilities
... 2 GHz to 8 GHz in a certain period of time without making the temperature in the cavity dangerously ...6.5 GHz to 8 ...6.5 GHz to 8 ...
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Triple Band Notched UWB Antenna Design Using Electromagnetic Band Gap Structures
... 3.1 GHz–10.6 GHz, there has been increasing interest in the use of UWB systems because of their low power consumption, low cost, precise positioning and promising for short- range high-speed indoor data ...
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2 9 8 4 GHz Filter Bank Using Stub Loaded Multi Mode Resonators
... Stub-loaded MMR-based filter usually suffers from a high IL of about 2 dB in the upper passband and a nar- row upper stopband. The former is mainly caused by parasitic radiation from the central part with wide strip ...
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Dielectric Properties of Dry and Wet Soils At X-B and Microwave Frequency
... dielectric permittivity and conductivity as functions of moisture content is studied. The dielectric constant of soil samples from Uttar Pradesh and Kashmir are measured at different frequencies in the range 8 ...
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RCS Reduction of Quasi-Yagi Antenna
... The theme of this paper is the RCS reduction of Quasi-Yagi antenna in different states: a planar Quasi-Yagi antenna with and without metallic reflect plate. By designing arrow-shape Koch dipoles as director and driver of ...
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Design and Performance Evaluation of Semi Adaptive 7 8 8 2 GHz Digital Band Pass Filters for SAR applications
... 8.2 GHz semi adaptive band pass filters design methodology was successfully translated in to practical one using SPARTAN-3E kit along with A/D, D/A converters and DIP switches and seven segment display for 64 ...
5
Dual Trident UWB Planar Antenna with Band Notch for WLAN
... Figure 7 shows the simulated current distribution at different frequencies. It is observed from Figure 7(b) that at 5.5 GHz most of the current is distributed in the split ring. This affects the impedance matching ...
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Design and Development of Microstrip Patch fed Dielectric Resonator Antennas for 8 -16 GHz frequency
... From the detailed study, it is clear that the proposed antennas are quite simple in design and fabrication and good in enhancing the impedance bandwidth. A wide bandwidth is obtained by increasing the radius of ...
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A Miniaturized Quasi-Self-Complementary UWB Antenna with Band-Rejection Characteristic
... 13.4 GHz) and a compact antenna having a limited occupation area of ...5 GHz IEEE 802.11j/n WLAN (5.47–5.725 GHz, 5.725– 5.825 GHz) wireless systems, a five-star-shaped split ring resonator is ...
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