5 Ways to Address Common RF Filtering Challenges in mmWave Applications

Posted by Peter Matthews on Sep 16, 2020 8:22:00 AM

As radio architectures evolve, the need for filters is also evolving. At the same time, the industry is working to miniaturizes mmWave devices while continually minimizing costs. This means RF designers need filter solutions that offer a smaller footprint while keeping prices manageable.

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Topics: 5G, RF and Microwave

Bring Us Your Toughest Challenges

Posted by Chris Dugan on Sep 9, 2020 8:00:00 AM

At Knowles Precision Devices, we purposely avoid commodity components. What we thrive on is doing the hard things. We handle the specialty components that go in systems that cannot fail and that operate at extremely high voltages, temperatures, or frequencies. Do you have a complex technical challenge with hard-to-meet performance, size, or other requirements? Bring it to us. It’s what we do.

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Topics: RF and Microwave, Military and Aerospace, Medical, Telecom, Electric Vehicles, High Reliability

Build-to-Print Basics Part 2: Build-to-Print and Custom Thin Film

Posted by Tim Bice on Sep 2, 2020 7:45:00 AM

To provide a better understanding of build-to-print in general and the breadth of our offerings, as well as how our thin-film technology can benefit your applications, we’ve put together a Build-to-Print Basics series. Part 2 provides details on our custom thin-film process for complex designs.

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Topics: RF and Microwave

An Introduction to the 5G Frequency Spectrum

Posted by Peter Matthews on Aug 26, 2020 9:15:00 AM

Planning is in the works for Fifth Generation (5G) communication systems that will enable a hundred-fold increase in user data-rates – and with this increase comes a need for significant increases in bandwidth over what is currently available. Why does bandwidth follow when we ask for an increase in data rates? 

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Topics: 5G, RF and Microwave

Build-to-Print Basics Part 1: An Introduction to Build-to-Print and Thin-Film Technology

Posted by Tim Bice on Aug 19, 2020 8:15:00 AM

At Knowles Precision Devices, we are not trying to be your typical commodity component manufacturer. We want to do things that are hard and help customers solve their most difficult engineering challenges. This is why we offer build-to-print services to facilitate thin-film product design, manufacturing and testing from prototype to high-volume production.

To provide a better understanding of build-to-print in general and the breadth of our offerings, as well as how our thin-film technology can benefit your applications, we’ve put together a Build-to-Print Basics series. Part 1 starts by providing a brief overview of how we approach build-to-print and what thin-film technology actually is.

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Topics: RF and Microwave

Milli-Cap: The Ideal Ultra-Low Loss Broadband Blocking Capacitor

Posted by Cheriyan Perumal on Aug 12, 2020 8:00:00 AM

Many circuits in broadband applications require the coupling of RF signals, which can be a complicated process since it involves removing the DC component to allow only the high-frequency AC component to pass or bypass. Removing the AC component from a DC line is done by placing a coupling capacitor in series with the path the signal takes.

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Topics: Capacitor, Telecom

Building 5G Small Cells Without Compromising Performance

Posted by Tim Brauner on Aug 5, 2020 8:00:00 AM

Before small cell technology took its place as a central component to realizing the promise of 5G networks, it played an important role in helping to improve the coverage and capacity of 4G. These mini base stations could be installed in discrete locations like on buildings or streetlights and became part of heterogeneous networkstogether with traditional macro base stationsto improve service in high-traffic locations such as sporting events and concert venues. In this pursuit, small cells have proven valuable for extending signal penetration and increasing wireless density and these small, lightweight devices will continue to be a key technology for the data-intensive transition to 5G. 

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Topics: 5G, RF and Microwave, Telecom

Knowles Precision Devices Gears Up for the IMS 2020 Virtual Event

Posted by Peter Matthews on Jul 29, 2020 8:45:14 AM

As with everything in 2020, the International Microwave Symposium (IMS) is a bit different this year. We’re gearing up for the live stream event next week, Aug. 4-6, where we’ll participate in the virtual exhibition and give six online MicroApp technical presentations.

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Topics: News and Events, RF and Microwave

New SV Series Capacitor Assemblies: The Perfect Fit for Power Supply Filtering

Posted by Daniel Callen on Jul 22, 2020 8:30:00 AM

In general, a capacitor assembly attaches multiple capacitors together into a single subassembly. This approach results in increased electrical performance such as higher voltages, higher capacitance, or higher power, while also simplifying manufacturing assembly and providing a significant reduction in board space needed.

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Topics: Capacitor, High Reliability

Wilkinson Power Dividers and Feed Networks – A Brief Overview

Posted by Greg Alton on Jul 15, 2020 8:00:00 AM

The Wilkinson Power Divider, designed by Ernest Wilkinson in the 1960s, uses quarter wave transformers to split an input signal into two equal phase output signals. Since the design is reciprocal, Wilkinson Power Dividers can also be used as a power combiner. With this flexibility, they are widely used in many RF and microwave communication systems, including those with multiple channels or complex feed networks.

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Topics: RF and Microwave

Insights Into Precision Passive Devices

Knowles Precision Devices is a premier global source for Capacitors, RF Filters, EMI Filters, Resonators, non-magnetic components and advanced dielectric materials. An umbrella for the brands of Compex, DLI, Johanson MFG, Novacap, Syfer and Voltronics, Knowles Precision Devices serves a variety of markets including military, aerospace/avionics, medical equipment, implantable devices, EMI and connector filtering, oil exploration, instrumentation, industrial electronics, automotive, telecoms and data networks.

This Blog will provide insights into:

  • Filters for 5G and mmWave
  • Capacitors for High Voltage
  • Capacitors for High Reliability

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