Knowles Precision Devices

31. Filter Basics Part 3: Five Key Filter Specifications To Understand 5/3/2022

    In part 3 of this series, Knowles aims to help simplify filter selection by providing an overview and reference point for five of the most commonly discussed filter technology specifications.

32. Filter Basics Part 4: Key Filter Types And Technologies 4/28/2022

    In this new Filter Basics Series, Knowles takes a step back from its usual comprehensive filter discussions to cover background information on how filters do what they do. In part four of this series, Knowles provides overviews of the main filter types and key filter technologies available today.

33. Impedance: Examining The Opposition 4/25/2022

    Impedance, measured in ohms, extends the concept of “opposition” to alternating current (AC) applications and plays an important role in capacitor selection.

34. Planar Filter Technology For mmWave Applications 3/21/2022

    Planar filters are manufactured by creating flat 2D resonators with patterns of strip elements on a dielectric substrate. Depending on the filter topology, planar filters can offer a high quality factor (Q) and a reasonable approach to achieving performance in a small footprint. 

35. Filter Basics Series Part 2: Designing Basic Filter Circuits 3/18/2022

    In part two of this series, Knowles covers how RF designers can use the different frequency dependencies of capacitors and inductors to manipulate impedance and create various filter responses. 

36. Surface-Mount Vs. Through-Hole Technology 3/14/2022

    There are two main mounting schemes for placing components on a printed circuit board (PCB): through-hole technology (THT) and surface-mount technology (SMT). Given its popularity over the last few decades, it’s no surprise that designers default to SMT, but there are advantages to both schemes that are worth exploring, especially for high-reliability application designs.

37. Filter Basics Series Part 1: Resistance, Capacitance, Inductance, And Impedance 2/18/2022

    To kick off this series, Knowles Precision Devices breaks down the basic properties, impacting capacitor and inductor performance including resistance, capacitance, inductance, and impedance.

38. SLCs Vs. MLCCs: Which Capacitor Type Is Right For My Application? 2/9/2022

    In general, SLCs are well-suited for high-frequency, low-voltage RF and microwave applications, while MLCCs can be used for all types of high-capacitance, high-voltage applications within a much more limited frequency range. 

39. Bring Us Your Toughest Challenges 2/4/2022

    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.

40. Striking A Balance For Spectrum Needs: 5G Communications Vs. Aircraft Altimeter Operations 2/2/2022

    On Jan. 19, 2022, many international airlines canceled or delayed flights to major US airports where they believed 5G signals could possibly interfere with the radar signals required to properly operate landing equipment on their planes. Working through this potential interference issue is critical because 5G is not going anywhere.