---
title: Knowles Precision Devices Blog | Peter Matthews (8)
description: Peter Matthews is Director of Technical Marketing at Knowles Precision Devices. As a division of Knowles Corporation, Knowles Precision Devices (KPD) focuses on production of a wide variety of highly engineered capacitors and microwave to millimeter-wave components for use in critical applications in military, medical, electric vehicle, and 5G market segments. Peter has over 20 years of experience in technology sales, marketing, and product management. (8)
---

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## Knowles Precision Devices Blog

## Peter Matthews

![Peter Matthews](https://blog.knowlescapacitors.com/hubfs/Peter.png)

Peter Matthews is Director of Technical Marketing at Knowles Precision Devices. As a division of Knowles Corporation, Knowles Precision Devices (KPD) focuses on production of a wide variety of highly engineered capacitors and microwave to millimeter-wave components for use in critical applications in military, medical, electric vehicle, and 5G market segments. Peter has over 20 years of experience in technology sales, marketing, and product management.

### Recent Posts

## [The Influence of Phase in Filters for Radar](https://blog.knowlescapacitors.com/blog/the-influence-of-phase-in-filters-for-radar)

 Posted by [Peter Matthews](https://blog.knowlescapacitors.com/blog/author/peter-matthews) on Apr 24, 2024 8:30:00 AM

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[![The Influence of Phase in Filters for Radar](https://blog.knowlescapacitors.com/hubfs/The%20Influence%20of%20Phase%20.png)](https://blog.knowlescapacitors.com/blog/the-influence-of-phase-in-filters-for-radar)

This is the fifth installment in our RF Components for Radar series. In the [first installment](https://blog.knowlescapacitors.com/blog/rf-components-for-radar-overview-and-trends), we provided an overview of the key functional units in radar, including duplexing, filtering, power amplification, waveform generation, low-noise amplification (LNA), receiving and analog-to-digital conversion (ADC). Since then, we’ve covered duplexing, switch filter banks and filters in detail. In this post, we’ll discuss what phase can tell us about filter performance in radar applications.

[Read More](https://blog.knowlescapacitors.com/blog/the-influence-of-phase-in-filters-for-radar)

 0 Comments [Click here to read/write comments](https://blog.knowlescapacitors.com/blog/the-influence-of-phase-in-filters-for-radar#comments-listing)

 Topics: [RF and Microwave](https://blog.knowlescapacitors.com/blog/tag/rf-and-microwave), [Military and Aerospace](https://blog.knowlescapacitors.com/blog/tag/military-and-aerospace)

## [Examining the Latest Electric Vehicle Technology Trends](https://blog.knowlescapacitors.com/blog/examining-the-latest-electric-vehicle-technology-trends)

 Posted by [Peter Matthews](https://blog.knowlescapacitors.com/blog/author/peter-matthews) on Apr 17, 2024 8:11:00 AM

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[![Examining the Latest Electric Vehicle Technology Trends](https://blog.knowlescapacitors.com/hubfs/Examining%20the%20Latest%20Electric%20Vehicle%20Technology%20Trends.jpg)](https://blog.knowlescapacitors.com/blog/examining-the-latest-electric-vehicle-technology-trends)

The market demands and technology trends that impact all aspects of electric vehicle (EV) development are constantly evolving. As trends change, so do the requirements for EV power systems, which impacts the demands placed on the components we supply. Therefore, we feel it is our duty to stay on top of shifting EV trends and share what we are seeing with our customers. This blog looks at three key trends impacting EV development that we are currently monitoring around shifting semiconductor development, in-vehicle system integration as a way to control costs, and the evolution of the EV charging ecosystem. 

[Read More](https://blog.knowlescapacitors.com/blog/examining-the-latest-electric-vehicle-technology-trends)

 0 Comments [Click here to read/write comments](https://blog.knowlescapacitors.com/blog/examining-the-latest-electric-vehicle-technology-trends#comments-listing)

 Topics: [Automotive](https://blog.knowlescapacitors.com/blog/tag/automotive), [Electric Vehicles](https://blog.knowlescapacitors.com/blog/tag/electric-vehicles)

## [Exploring Electronics Trends in Solar Power](https://blog.knowlescapacitors.com/blog/exploring-electronics-trends-in-solar-power)

 Posted by [Peter Matthews](https://blog.knowlescapacitors.com/blog/author/peter-matthews) on Apr 3, 2024 8:13:00 AM

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[![](https://blog.knowlescapacitors.com/hubfs/Solar%20Power.png)](https://blog.knowlescapacitors.com/blog/exploring-electronics-trends-in-solar-power)

The developmental trajectory of many modern power electronics systems is driven by evolving carbon dioxide (CO₂) regulations. By maintaining compliance, green energy production, like photovoltaics (PV) and wind, and high-efficiency distribution systems, like high-voltage direct current (HVDC) and battery energy storage systems (BESS), support our transition to a more sustainable future. 

[Read More](https://blog.knowlescapacitors.com/blog/exploring-electronics-trends-in-solar-power)

 0 Comments [Click here to read/write comments](https://blog.knowlescapacitors.com/blog/exploring-electronics-trends-in-solar-power#comments-listing)

 Topics: [Energy](https://blog.knowlescapacitors.com/blog/tag/energy)

## [Filters in Radar Receivers](https://blog.knowlescapacitors.com/blog/filters-in-radar-receivers)

 Posted by [Peter Matthews](https://blog.knowlescapacitors.com/blog/author/peter-matthews) on Mar 27, 2024 8:18:00 AM

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[![Filters in Radar Receivers](https://blog.knowlescapacitors.com/hubfs/Filters%20in%20Radar%20Receivers.jpg)](https://blog.knowlescapacitors.com/blog/filters-in-radar-receivers)

This is the fourth installment in our RF Components for Radar series. In the [first installment](https://blog.knowlescapacitors.com/blog/rf-components-for-radar-overview-and-trends), we provided an overview of the key functional units in radar, including duplexing, filtering, power amplification, waveform generation, low-noise amplification (LNA), receiving, and analog-to-digital conversion (ADC). While in the third installment we talked about filtering in terms of switch filter banks, in this post we will dive more into the jobs filters must perform in radar receivers.  

[Read More](https://blog.knowlescapacitors.com/blog/filters-in-radar-receivers)

 0 Comments [Click here to read/write comments](https://blog.knowlescapacitors.com/blog/filters-in-radar-receivers#comments-listing)

 Topics: [RF and Microwave](https://blog.knowlescapacitors.com/blog/tag/rf-and-microwave)

## [Medical Imaging Trends We’re Keeping an Eye on at Knowles Precision Devices](https://blog.knowlescapacitors.com/blog/medical-imaging-trends-were-keeping-an-eye-on-at-knowles-precision-devices)

 Posted by [Peter Matthews](https://blog.knowlescapacitors.com/blog/author/peter-matthews) on Mar 6, 2024 8:05:00 AM

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[![](https://blog.knowlescapacitors.com/hubfs/Medical.png)](https://blog.knowlescapacitors.com/blog/medical-imaging-trends-were-keeping-an-eye-on-at-knowles-precision-devices)

In the [first installment](https://blog.knowlescapacitors.com/blog/medical-electronics-bring-care-closer-to-patients) of our healthcare technology series, we discussed areas where health outcomes are improving as technology shifts closer to patients. Here, we’ll scratch the surface on three trends that are improving medical imaging technologies, and by extension, diagnostics, patient outcomes and access to care. We’ll usemagnetic resonance imaging (MRI), which leverages radio frequency (RF) signals, to contextualize these trends. 

[Read More](https://blog.knowlescapacitors.com/blog/medical-imaging-trends-were-keeping-an-eye-on-at-knowles-precision-devices)

 0 Comments [Click here to read/write comments](https://blog.knowlescapacitors.com/blog/medical-imaging-trends-were-keeping-an-eye-on-at-knowles-precision-devices#comments-listing)

 Topics: [Medical](https://blog.knowlescapacitors.com/blog/tag/medical)

## [Switch Filter Banks for Agile RF Receiver Design in Radar](https://blog.knowlescapacitors.com/blog/switch-filter-banks-for-agile-rf-receiver-design-in-radar)

 Posted by [Peter Matthews](https://blog.knowlescapacitors.com/blog/author/peter-matthews) on Feb 28, 2024 8:15:00 AM

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[![Switch Filter Banks for Agile RF Receiver Design in Radar](https://blog.knowlescapacitors.com/hubfs/Switch%20Filter%20Banks%20for%20Agile%20RF%20Receiver%20Design%20in%20Radar.jpg)](https://blog.knowlescapacitors.com/blog/switch-filter-banks-for-agile-rf-receiver-design-in-radar)

This is the third installment in our RF Components for Radar series. In the [first installment](https://blog.knowlescapacitors.com/blog/rf-components-for-radar-overview-and-trends), we provided an overview of the key functional units in radar, including duplexing, filtering, power amplification, waveform generation, low-noise amplification (LNA), receiving and analog-to-digital conversion (ADC). Here, we’ll focus on a particular form of filtering technology: switch filter banks. 

[Read More](https://blog.knowlescapacitors.com/blog/switch-filter-banks-for-agile-rf-receiver-design-in-radar)

 0 Comments [Click here to read/write comments](https://blog.knowlescapacitors.com/blog/switch-filter-banks-for-agile-rf-receiver-design-in-radar#comments-listing)

 Topics: [RF and Microwave](https://blog.knowlescapacitors.com/blog/tag/rf-and-microwave)

## [Examining Trends in Power Electronics](https://blog.knowlescapacitors.com/blog/examining-trends-in-power-electronics)

 Posted by [Peter Matthews](https://blog.knowlescapacitors.com/blog/author/peter-matthews) on Feb 21, 2024 8:15:00 AM

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[![Examining Trends in Power Electronics](https://blog.knowlescapacitors.com/hubfs/Examining%20Trends%20in%20Power%20Electronics.jpg)](https://blog.knowlescapacitors.com/blog/examining-trends-in-power-electronics)

At Knowles, it is our mission to provide specialty components that meet even the toughest performance and reliability requirements, especially for applications where failure is not an option. But, markets and requirements are constantly changing, which means we must closely monitor the trends impacting all the industries and applications where you might find our components. One area where we are seeing rapid innovation spanning the industries we serve is power electronics. At a high level, the trends driving power electronics innovation are largely centered around methods for providing more energy more efficiently while using smaller components. Below are four key power electronics trends we are currently monitoring and a how we can help you stay on top of each trend with your designs.  

[Read More](https://blog.knowlescapacitors.com/blog/examining-trends-in-power-electronics)

 0 Comments [Click here to read/write comments](https://blog.knowlescapacitors.com/blog/examining-trends-in-power-electronics#comments-listing)

 Topics: [Automotive](https://blog.knowlescapacitors.com/blog/tag/automotive), [Electric Vehicles](https://blog.knowlescapacitors.com/blog/tag/electric-vehicles), [High Reliability](https://blog.knowlescapacitors.com/blog/tag/high-reliability), [Energy](https://blog.knowlescapacitors.com/blog/tag/energy), [Industrial](https://blog.knowlescapacitors.com/blog/tag/industrial)

## [RF Components for Radar: Duplexing](https://blog.knowlescapacitors.com/blog/rf-components-for-radar-duplexing)

 Posted by [Peter Matthews](https://blog.knowlescapacitors.com/blog/author/peter-matthews) on Feb 7, 2024 8:15:00 AM

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[![RF Components for Radar: Duplexing](https://blog.knowlescapacitors.com/hubfs/RF%20Components%20for%20Radar_%20Duplexing.jpg)](https://blog.knowlescapacitors.com/blog/rf-components-for-radar-duplexing)

This is the second installment in our RF Components for Radar series. In the first installment, we provided an overview of the key functional units in radar, including duplexing, filtering, power amplification, waveform generation, low-noise amplification (LNA), receiving and analog-to-digital conversion (ADC). Here, we’ll focus on duplexing.  

[Read More](https://blog.knowlescapacitors.com/blog/rf-components-for-radar-duplexing)

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 Topics: [RF and Microwave](https://blog.knowlescapacitors.com/blog/tag/rf-and-microwave), [Military and Aerospace](https://blog.knowlescapacitors.com/blog/tag/military-and-aerospace)

## [RF Components for Radar: Overview and Trends](https://blog.knowlescapacitors.com/blog/rf-components-for-radar-overview-and-trends)

 Posted by [Peter Matthews](https://blog.knowlescapacitors.com/blog/author/peter-matthews) on Jan 17, 2024 8:15:00 AM

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Radar systems are designed to detect and identify an object’s location. They use short bursts of energy to transmit radio frequency (RF) and microwave signals and gather information from the echoed signal returned by the object.  

Here, we’ll introduce radar, including its key functional units and technological evolution. 

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 Topics: [RF and Microwave](https://blog.knowlescapacitors.com/blog/tag/rf-and-microwave)

## [Understanding The Basics of Ceramic Coaxial Resonator Filters](https://blog.knowlescapacitors.com/blog/understanding-the-basics-of-ceramic-coaxial-resonator-filters)

 Posted by [Peter Matthews](https://blog.knowlescapacitors.com/blog/author/peter-matthews) on Jan 5, 2024 3:02:49 PM

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Before jumping into a discussion on ceramic coaxial resonators, it is important to understand what a resonator is and how these electrical components work. In general, a resonator is an essential component for constructing a bandpass filter since the resonator is what will allow specified frequencies, or bands of frequencies, to pass through the filter as shown in Figure 1.

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 Topics: [RF and Microwave](https://blog.knowlescapacitors.com/blog/tag/rf-and-microwave), [Filtering](https://blog.knowlescapacitors.com/blog/tag/filtering)

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