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Original content from RF Mentor/BesserNet authors and Besser Associates instructors.

Free Webcast: RF and Microwave Filters

Author: 

Bob Froelich

Enjoy the recording of our free webcast with Microwave Journal magazine on RF and Microwave Filters.

This webinar introduces the student to core filter concepts, parameters, and topologies.

  • Low Pass Filters with Lumped Elements
  • Using Filter Tables
  • Transformation to Band Pass
  • The Importance of Q
  • Impedance Inverter Concept
  • Coupled-Resonator Filters

 

Free Webcast: Introduction to Radar

Author: 

Scott Bullock

A recording of instructor Scott Bullock's one hour webcast on Introduction to Radar is now available.

The following topics are covered:

  • Radar Detection and Ranging
  • Pulse vs Continuous wave with applications
  • Radar Modulation
  • Radar Path Budget - Basic Radar Equation
  • Radar Range Equation
  • Range Ambiguity and Mitigation
  • Maximum and Minimum Detectable Range
  • Plan Position Indicator – PPI and A-Scope

Femtocells: Design & Application

Author: 

Joe Boccuzzi

This in-depth resource provides comprehensive coverage of femtocells and how they integrate with existing 3G and emerging wireless protocols and standards. Femtocells: Design & Application provides a technical roadmap for migrating to femtocell technology, covering network architecture, media protocols, system performance, and security issues. Detailed architectural diagrams illustrate various deployment options. This is a practical guide to the pioneering technology that enables extended indoor service coverage.

Near-field scanners let you see EMI

Author: 

Arturo Mediano

Article by instructor Arturo Mediano about near-field scanners.

I love near field probes because they let me "see" magnetic and electric fields with an oscilloscope or with a spectrum analyzer. They let locate sources of emissions in board, cables, and systems. Near-field scanners also let you see emissions, particularly all over a board. That's hard to do with a single probe.

Free Webcast: What Will 5G Be?

Author: 

Joe Boccuzzi

This webinar will provide an overview of areas 5G will address. We will begin with a sdiscussion on the shortcomings of present day cellular systems to highlight the items needing to be addressed in 5G. Provide the overall 5G goals and pillar use cases as defined by ITU. Several deployment options will be provided and summary of the 3GPP scenarios provided. Key system parameters will be discussed and the impact of 5G to a Cloud-RAN network architecture will be highlighted.

Free Webcast Tutorial: MMIC Design Overview

Author: 

Ali Darwish

Instructor Ali Darwish has presented a free MMIC Design Overview webinar with Microwave Journal Magazine.

This webinar gives an overview of some of the practical strategies required to achieve success in the design of monolithic microwave integrated circuits (MMICs).

The following topics will be covered:

  • The advantages and limitations of MMIC Designs.
  • Active device modeling.
  • Calculating the lifetime of MMICs.
  • Modeling passive components.
  • Preventing unwanted oscillations.

The Effect of DC/LF Current in Ferrites for EMI

Author: 

Arturo Mediano

Arturo Mediano teaches courses on EMC/EMI and Signal Integrity for Besser Associates. He is a frequent contributor to industry magazines and journals on these topics. This article appears in the "Practical Tips" section of InCompliance magazine.

Ferrites for EMI suppression are usually chosen looking for high (resistive) impedance at the frequency of interest; but, sometimes, that ferrite is not working as expected. Perhaps you have saturation effects?

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