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5 to 8 GHz

A high gain PIFA at 2 45 GHz and 5 8 GHz using wireless power transfer 
		techniques for pacemaker application

A high gain PIFA at 2 45 GHz and 5 8 GHz using wireless power transfer techniques for pacemaker application

... Feeding point is a cylindrical shape and it is connected between the radiating patch and half dimension of the air gap to connect the feed port through ground plane. Both shorting pin and feeding point use copper ...

6

In vehicle channel sounding in the 5 8 GHz band

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 ...

9

A Relatively Inexpensive 5 8 Ghz Microwave System for Exploring Electromagnetic Phenomena in Laboratories

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 ...

6

Radio wave propagation in curved rectangular tunnels at 5 8 GHz for metro applications, simulations and measurements

Radio wave propagation in curved rectangular tunnels at 5 8 GHz for metro applications, simulations and measurements

... Wireless communication systems are key solutions for metro applications to carry, at the same time, with dif- ferent priorities, data related to control-command and train operation and exploitation. Driverless ...

8

The evolution of young HII regions. I. Continuum emission and internal dynamics

The evolution of young HII regions. I. Continuum emission and internal dynamics

... at 5 GHz (see Table A.2). All but two of the targets have both 5 and ...8.6 GHz detections with ...the 8 GHz and IR luminosities of these ...

25

Design of Concurrent Low-Noise Amplifier for Multi-Band Applications

Design of Concurrent Low-Noise Amplifier for Multi-Band Applications

... Abstract—A concurrent multi-band low-noise amplifier (LNA) for both WLAN and WiMAX applications covering 2.4–2.7 GHz, 3.3– 3.8 GHz and 5.1–5.9 GHz is mainly investigated. The proposed LNA consists of ...

14

RCS Reduction of Quasi-Yagi Antenna

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 ...

9

PIFA antenna for RFID application at 5 8 
		GHZ

PIFA antenna for RFID application at 5 8 GHZ

... In this paper, we presented the design and simulation of a PIFA antenna, with and without T-shaped slot, to know the influence of the slot on the chosen antenna. We chose as the resonant frequency of the antenna for RFID ...

5

Characterisation of chip-on-board (COB) encapsulate epoxies used in the printed circuit board assembly (PCBA) industry using variable frequency microwave (VFM) facilities

Characterisation of chip-on-board (COB) encapsulate epoxies used in the printed circuit board assembly (PCBA) industry using variable frequency microwave (VFM) facilities

... was 5 mm 3 ...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 ...

7

Design and Performance of H- Shaped DRA with Dumbbell shaped DGS for Wide Band Applications

Design and Performance of H- Shaped DRA with Dumbbell shaped DGS for Wide Band Applications

... With FR4 as substrate the antenna resonates from 5.00 to 13.8 GHz frequency range with 8.8 GHz bandwidth range. Results such as VSWR (1.1501), Directivity (1.60315), Peak Gain (3.2458) are acquired by ...

5

Tetra Frequency Microstrip Antenna for Wireless Applications

Tetra Frequency Microstrip Antenna for Wireless Applications

... 5.8 GHz Bands using Genetic Algorithm Optimization", International Journal of Engineering and Technology, 1 (4) (2012) 466-471, ©Science Publishing Corporation, ...

5

Design Of 8 - Shaped Dng Metamaterial For Gsm 1.8 Ghz Applications

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 ...figure 5 verify this observation that in future research work, proposed single band structure can be transformed in ...

5

ENHANCEMENT  BANDWIDTH  &  GAIN  OF  HEXAGONAL  PATCH  ANTENNA  AT  1 8  GHz

ENHANCEMENT BANDWIDTH & GAIN OF HEXAGONAL PATCH ANTENNA AT 1 8 GHz

... Printed planar microstrip antennas [1] are getting popular for modern communication system due to their features which includes compact size, low cost and ease of fabrication. An extensive work on simple microstrip ...

6

Dielectric Properties of Dry and Wet Soils At X-B and Microwave Frequency

Dielectric Properties of Dry and Wet Soils At X-B and Microwave Frequency

... The infinite sample method described by Altshuler is used for the measurements of dielectric properties. An X-band microwave bench operating at 9.85 GHz in the TE 10 mode with slotted section and a crystal ...

6

An Analytical Approach for Fast Automatic Sizing of Narrow Band RF CMOS LNAs

An Analytical Approach for Fast Automatic Sizing of Narrow Band RF CMOS LNAs

... We introduce a fast automatic sizing algorithm for a single-ended narrow-band CMOS cascode LNA adopting an in- ductive source degeneration based on an analytical approach without any optimization procedure. Analytical ...

10

Design of new combined antenna for dual polarization using crossed 
		dipole at 2 23 GHZ and 5 GHZ

Design of new combined antenna for dual polarization using crossed dipole at 2 23 GHZ and 5 GHZ

... 2.23 GHz and 5.14 GHz, the polarization diversity becomes one of the most important techniques than can be used, the main reason for this shift is that the method does not require any extra bandwidth or ...

5

SIMULATED DESIGN OF 5 STAGE CMOS RING OSCILLATOR FOR HIGH SPEED TRANSMITTER AT 5 GHz

SIMULATED DESIGN OF 5 STAGE CMOS RING OSCILLATOR FOR HIGH SPEED TRANSMITTER AT 5 GHz

... [11] “CMOS Power Consumption and Cpd Calculation”, Texas Instruments, SCAAO35B, June 1997. [12] Tai Nghia Nguyen and Jong Wook Lee, “Low Phase Noise Differential Vacker VCO in 0.18μm CMOS Technology”, IEEE Microwave and ...

6

Broadband Multipath-Rejection Shorted Annular Patch Antenna for GPS Applications

Broadband Multipath-Rejection Shorted Annular Patch Antenna for GPS Applications

... location of the pins father from the center, the impendence matching of the low frequency end has deteriorated. As a result, the bandwidth decreases to 0.425 GHz (1.175–1.6 GHz). By loading the shorted ...

8

Meth­yl 3,3,7,7,9 penta­meth­yl 1,5 dioxa­spiro­[5 5]undec 8 ene 8 carboxyl­ate

Meth­yl 3,3,7,7,9 penta­meth­yl 1,5 dioxa­spiro­[5 5]undec 8 ene 8 carboxyl­ate

... O1 0.0421 (5) 0.0206 (4) 0.0311 (5) −0.0015 (4) 0.0081 (4) −0.0003 (3) O2 0.0435 (6) 0.0294 (5) 0.0252 (5) 0.0021 (4) 0.0026 (4) 0.0037 (4) O3 0.0248 (4) 0.0258 (4) 0.0196 (4) −0.0048 (3) ...

7

More... Volume 8, Issue 5 (5-2018)

More... Volume 8, Issue 5 (5-2018)

... A two-volume edition of Ben Jonson’s «Dramatic Works», published by Academia under the editorship of I.A.Aksenov in 1931–1933, became the first collection of translations of plays by an English playwright in Russia. ...

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