Lou Frenzel

Lou is Communications Technology Editor for Electronic Design. He covers topics such as wired and wireless networking. He is also editor for Mobile Dev & Design.

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Wafer Technology Extends Moore’s Law To 20 nm

By Lou Frenzel, May 24, 2012

Soitec's new fully depleted wafers use silicon on insulator technology to implement smaller feature devices down to 20 nm.
New Products Jump On The PLC Bandwagon

By Lou Frenzel, May 18, 2012

Introduction to some of the new power line communications chips ready to implement PLC in OFDM.
Power-Line Communications Emerge As A Core Networking Technology

By Lou Frenzel, May 18, 2012

As concerns about interference, noise, and attenuation are addressed, new standards expand PLC’s role in the home and industry.
What’s The Difference Between Bit Rate And Baud Rate?

By Lou Frenzel, May 01, 2012

An explanation of bit rate and baud rate and related bandwidth considerations for wired and wireless data communications.
Tiny GNSS Receiver Front-End Amps Deliver Best Noise Figure

By Lou Frenzel, April 17, 2012

Front-end LNA and filter IC for GPS and GLONASS receivers have exceptional gain and ideal noise figure.
Signal Conditioner ICs Extend High-Speed Interfaces While Lowering Costs

By Lou Frenzel, April 10, 2012

New interface ICs for fiber optic system cut costs and power while improving performance.
What’s The Difference Between ZigBee And Z-Wave?

By Lou Frenzel, March 30, 2012

This article compares and contrasts two popular short-range wireless mesh network wireless standards: ZigBee and Z-Wave.
Street-Ready Smart Phone Enhances First Responder Communications

By Lou Frenzel, March 26, 2012

Motorola's LEX 700 is a smartphone and a two-way radio using the LTE cellular network and P25 system. It is targeted to police and ohter public safety first responders who need speed and convenience.
DAC Minimizes Cable Head-End Signal-Chain Footprint

By Lou Frenzel, March 26, 2012

This 11-bit DAC can be used to put wideband QAM signals on a single cable port up to 3 GHz wide.
Understanding Solutions For The Crowded Electromagnetic Frequency Spectrum

By Lou Frenzel, March 26, 2012

This article defines and explains the electromagnetic spectrum and outlines the current shortage and crisis affecting wireless. Multiple solutions to the shortage are discussed.
Back to Basics: Impedance Matching (Part 3)

By Lou Frenzel, March 14, 2012

An article about how to design basic impedance matching networks using the pi and T-networks for improved selectivity.
Back to Basics: Impedance Matching (Part 2)

By Louis E. Frenzel, March 01, 2012

The L-network is a simple inductor-capacitor (LC) circuit that can be used to match a wide range of impedances in RF circuits. Any RF circuit application covering a narrow frequency range is a candidate for an L-network.
802.11ac SoC Targets Enterprise Access Points And Wireless Cloud Networks

By Louis E. Frenzel, February 23, 2012

Broadcom's BCM43460 is a single chip 802.11ac Wi-Fi access point.
Wireless Module Brings Wi-Fi To M2M

By Louis E. Frenzel, February 23, 2012

Murata's new SN8200 wireless modules implements Wi-Fi for M2M.
DIY Electronics Kits Turn Hobbyists Into Engineers

By Louis E. Frenzel, February 22, 2012

SparkFun kits make DIY movement educational and entertaining.
What’s The Difference Between 802.11n And 802.11ac?

By Louis E. Frenzel, February 17, 2012

This article explains the difference between the currently popular IEEE wireless LAN standard 802.11n and the forthcoming new standard 802.11ac that defines a faster version.
RF Envelope Tracking Yields PA Efficiency Breakthrough

By Louis E. Frenzel, February 14, 2012

Envelope tracking improves RF power amplifier efficiency solving multiple problems in basestations and cellphones.
Transceiver Wirelessly Transfers Huge Data Files In Seconds

By Louis E. Frenzel, February 07, 2012

Short-range wireless standard transfers video and other huge data files in seconds.
Versatile DCRx Fits Almost Any Radio Application

By Louis E. Frenzel, January 31, 2012

Single-chip zero IF receiver covers wide frequency range for SDR applications.
What’s the Difference Between 3G and 4G Cellular Systems?

By Louis E. Frenzel, January 25, 2012

While carriers and manufacturers may promote their phones and services as 4G, the truth is that today’s technologies are still in 3G—maybe 3.9G. Driven by LTE-A, 4G will involve a bigger leap to 1-Gbit/s data rates.

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