Newsletter | June 30, 2020

06.30.20 -- Spotlight On Antennas | Ka-Band Satcom Trends

 
Featured Article
Spotlight On Antennas
FAQ: Does MLCC Capacitance Change With Voltage?

Voltage fluctuation is known to occur in ferroelectric materials like barium titanate, which is used in most X5R and X7R capacitors. However, the amount of loss experienced can widely vary depending on the dielectric material and the type of voltage, DC or AC, used. 

Phased Array Antenna Patterns—Part 1: Linear Array Beam Characteristics And Array Factor

This article is intended to help an engineer working on a subsystem or component used in a phased array to visualize how their effort may impact a phased array antenna pattern.

Understanding Antenna Gain, Beamwidth, And Directivity

Antenna gain affects, or is affected by, bandwidth, directivity, power, and frequency in oft-misunderstood ways that can differ across antenna types.

Antenna Basics

This white paper describes the basic functionality of antennas. Starting with Hertz's Antenna model followed by a short introduction to the fundamentals of wave propagation, the important general characteristics of an antenna and its associated parameters are explained.

Resources
Simplifying MIMO Antenna Installations With The FlexMIMO Antenna

This application note takes a closer look at MIMO antenna installations and how they can be simplified with FlexMIMO antennas from Laird Connectivity.

Introduction To ANSYS 5G Antenna Solutions

This white paper addresses the complexity of designing various points in 5G systems and discusses possible solutions to design and simulate antenna systems, antenna-to-antenna coupling, environmental effects on signal propagation, and V2V/V2X communication.

mMIMO Enables 5G; GaN On SiC Enables mMIMO

While MIMO typically uses two or more transmitters and receivers to send and receive more data at once, massive multiple-input multiple-output (mMIMO) extends that concept by significantly increasing the number of antennas on a single array. 

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Featured Multimedia
Solutions To Simplify 5G Phased Array Design In XFdtd
 

XFdtd includes a range of features to effectively design antenna arrays for 5G and millimeter-wave wireless applications. Attend this webinar to learn about XF’s new superposition and array optimization techniques to combine steady state results from a single FDTD simulation for beamforming and beam-steering applications.

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E-Book: FPGAs And Software Defined Radio
 

High-speed RF processing for high-performance computing applications, as with software defined radio (SDR), require resources such as FPGAs to deliver the flexibility and accuracy needed in this space. Understanding FPGA options and data acquisition components can help developers optimize these application solutions.

Featured Products And Services
Dual-Polarized Crossed Notch Antenna: Model 94800568
Cobham offers the Model 94800568 dual linear, high-power, crossed notch antenna designed for applications operating over the 2 to 18 GHz frequency range. With a ratio of 9:1 bandwidth, this dual-polarized antenna features a maximum VSWR of 2.5:1 and <2.0:1 over 90 percent of the frequency range.
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Cobham
SENCITY Occhio MIMO DAS (Distributed Antenna System)

HUBER+SUHNER offers the SENCITY Occhio MIMO DAS (distributed antenna system) designed for 5G coverage in a small form factor thanks to its multiband capability between 1.7 to 6 GHz with 2x2/4x4 MIMO configurations. Features include a smart connect-system with a self-locking adaptor and a quick-locking mechanism.

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HUBER+SUHNER
6 To 40 GHz Directional Coupler: Model 106040020

Krytar offers the new Model 106040020 directional coupler designed for system applications where external leveling, precise monitoring, signal mixing, or swept transmission and reflection measurements are required. The coupler features a multipurpose, stripline design with excellent coupling over the 6 to 40 GHz frequency range.

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Krytar
Wide-Band Microwave Horn Antenna: ATH800M6G

The ATH800M6G is a microwave horn antenna that provides high-intensity fields necessary for RFI/EMI field testing both within and beyond the confines of a shielded room. With a wide operation frequency of up to 6 GHz and a minimum gain of 10 dBi, the antenna is ideally suited for use with amplifiers within the 0.8 to 6 GHz frequency range.

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AR
dB-3205 Microwave Power Module

The dB-3205 is a microwave power module (MPM) operating in the frequency range of 43.5 to 45.5 GHz. This MPM is a power amplifier that provides 80 Watts CW RF output power. The RF signal path consists of a solid state amplifier and a vacuum power booster. The power supply topology uses proprietary low-noise, high-efficiency designs to operate the RF signal path. This compact, conduction-cooled MPM is designed to operate in extreme military environments.

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dB Control
TDS-535 Tuned Dipole Set (Single)

Model TDS-535 tuned dipole set provides an accurate standard for precise EMI and site attenuation measurements (per OET-55 and ANSI C63.5). This half wavelength dipole set is manufactured per the FCC balun design and is individually calibrated per ANSI C63.5 at 3 and 10 meters.

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A.H. Systems