In other news relating to the FCC and the Communications Act of 1934, the Spectrum Enforcement branch of that agency has issued a Notice of Forfeiture to Illinois-based Inter Tech, a manufacturer of broadcast equipment. Inter Tech faces a forfeiture of $22,000 for willful and repeated violations involving the marketing of FM broadcast transmitters and external RF power … [Read more...]
Amplifers
Hybrid Power Amplifier Modules & Custom Solutions Offer Flexibility in Numerous RF Apps
A new line of wideband, hybrid power amplifier modules (HPMs) from AR RF Microwave Instrumentation covers the 6- to 18-GHZ frequency range. These hybrid modules require only a single DC volt source and are 50-ohm “cascadable” building blocks with output powers up 37 dBm. The six new hybrid power modules have excellent typical gain flatness, excellent noise performance, and low … [Read more...]
Special & Invited Sessions – Spectrum Management: Evolving Trends
To address the growing number of spectrum related problems faced by EMC engineers and technologists, this Special Session will present methodologies and measurement techniques to both control and quantify the use of the spectrum. The objective of this session is twofold. The first objective is to present some of the latest research into the design of components, such as power … [Read more...]
New Tester Provides Fast Emissions Measurements up to 6 GH
The news TDEMI 6G is the latest addition to Munich-based GAUSS Instruments line of test instrumentation. It provides time-domain emissions measurements from 9 kHz up to 6 GHz. With the addition of the 6G, the Gauss’ TDEMI line now covers the complete frequency range required for testing to commercial EMC standards. Moreover, measurement time can be reduced by up to a factor of … [Read more...]
AR Marks 40th Anniversary
AR, with headquarters in Souderton, PA, is marking its 40th anniversary. The company’s modest beginnings, in the form of a new test amplifier, started out in the basement of Donald “Shep” Shephard, who remarked that having begun in the basement that there was no place to go but up. Formerly known as AR Worldwide, AR now consists of a family of companies: AR RF Microwave … [Read more...]
MORE ON TESTING SERVICES
Intertek Opens New, Larger Facility in California Late last year Intertek opened a new testing and certification lab in Lake Forest, CA replacing its lab of 13 years in Laguna Niguel. The new, larger 29,000 square foot facility will increase capacity to meet the rising demand for testing and certification services in the western U.S. The new facility houses Intertek’s new … [Read more...]
X2Y® Optimized Input Filter
Bill Klein of Johanson Dielectrics, Inc. shows how an X2Y® input filter can double the common mode bandwidth of an analog amplifier and includes the calculation of correct component values. Also included are a spreadsheet demonstration of the filter analysis and calculations to achieve this improvement.READ MORE … [Read more...]
Improve Instrument Amplifier Performance with X2Y® Optimized Input Filter
Improve Instrument Amplifier Performance with X2Y® Optimized Input Filter. Click here to view the entire technical note. … [Read more...]
Compact RF Dielectric Filters Target W-CDMA Amplifier Applications
The DFCL filter series from Murata Electronics North America are block type filters measuring 10.6 mm x 6.0 mm x 4.8 mm. They offer excellent selectivity and ripple performance, features critical in wireless code division multiple access (WCDMA) Band 1 digital pre-distortion (DPD) and long term evolution (LTE) DPD amplifiers. A multi-pole design ensures that wanted signals are … [Read more...]
New Solid State Amplifier Features an Improved Noise Figure and Compact Design
The new Model 500A250A from AR RF Microwave Instrumentation is the first in a planned series of new “A” RF amplifiers. This first model covers 10 kHz to 250 MHZ and provides a minimum of 500 watts swept power when used with an RF sweep generator. A compact, innovative design has created a smaller size and reduced weight as compared to existing products. In fact, Model 500A250A … [Read more...]
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