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Using Electromagnetic Simulation to Compare Antenna Performance in Solid-State RF Heating Applications

Posted on 09/18/2018 at 11:14 AM
INTRODUCTION The advent of high-power solid-state microwave technology makes possible the use of coaxial transmission lines and unconventional antenna configurations, something not previously possible when using magnetrons at ISM frequencies without expensive, lossy waveguide-to-coaxial adapters. With this in mind, computer simulations of microwave heating models can serve as valuable tools in...

The Advent of Solid State Microwave Generation

Posted on 07/27/2017 at 2:45 PM
We’re extremely excited and proud to be the creators of the PrecisePower™ family, our industry’s first fully solid state microwave power sources. This family of system covers both the 900 MHz and 2400 Mhz bands with power levels up to 75 kilowatts. Until now, the heart of every microwave heating device,...

What are the industrial microwave frequencies and what are their characteristics?

Posted on 07/20/2016 at 3:52 PM
Most industrial microwaves operated in one of two unlicensed, government allocated radio bands called the Industrial, Scientific, and Medical (ISM) bands. The lower “L” band ranges from 902 to 928 MHz. In Europe and some other regions 896 MHz is used to avoid interference to the 900 MHz GSM cellular...

Are industrial microwaves safe?

Posted on 05/06/2016 at 3:47 PM
Microwaves are a kind of high frequency radio wave. In fact, the frequencies are the same as used by many consumer devices including cellular phones, WIFI, Bluetooth, and many other wireless devices. Radio waves (RF) are a type of electromagnetic waves called non-ionizing radiation. Despite uninformed slang about “nuking” a...

Why do microwaves heat things so quickly?

Posted on 03/04/2016 at 3:47 PM
Microwaves produce a phenomenon called volumetric heating. Simply stated, they heat the entire mass of an object uniformly. This is because the microwave penetrated deeply into the object instead of just acting on the surface. Volumetric heating is unique to microwaves; almost all other forms of heating are conductive, where...

How hot do materials get in a microwave system?

Posted on 02/04/2016 at 3:46 PM
Microwave heating is a very versatile technology that can be used in a wide range of applications, so this question must be answered with respect to categories of applications. Many industrial microwave systems are used to dry various organic and inorganic materials, or to defrost, cook, or pasteurize food products. This...

How “Green” are microwave drying systems?

Posted on 01/01/2016 at 3:46 PM
Very few drying technologies can approach microwave systems for positive environmental impact. In fact, in most cases environmental permitting is not required. Let’s consider the common types of possible emissions and examine how microwave system measure up. Combustion Products such as NOx and COx: This is simple. There is no combustion...

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Michael A. Mittman
Walter Wohlford-Wessels
Ken Kaplan
Jonathan L. Tweedt
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