As an RF engineer, whether you are building a 5G antenna to mount on top of a street light or a satellite that will be launched into space, you are likely being asked to reduce three key factors – size, weight, and power (SWaP). The need to reduce SWaP is becoming increasingly common, but also increasingly tricky, because even though wavelength and the corresponding critical dimensions decrease as frequency goes up, RF circuits generally scale in size and complexity with the wavelengths supported. Thus, it can be really difficult to find companies who are up for the challenge of providing components that are designed to help reduce SWaP
At any given time, there are a multitude of signals at a variety of frequencies streaming all around us. Each device that relies on receiving the proper RF signals such as televisions, radios, radars, medical devices, and cell phones, requires some level of filtering. While all filters have the same basic job – remove unwanted or out-of-band signals – the specific job requirements of each filter vary depending on the RF architecture used and the needs of the final device.
Microwave Journal has released an all new mmWave RF Components Guide. This eBook is a collection of seven articles and white papers written to help you make the best component selections when designing your 5G products, several written by engineering experts here at Knowles. Here’s an overview of what’s included in the eBook.
Over the last four decades, the number of devices that need to maintain mission-critical satellite communications (satcom) has rapidly grown. At the same time, the information transmitted on these devices has become increasingly more complex. As a result, the RF circuit building blocks that make up satcom technology have been through many changes to accommodate the latest advancements in the industry including miniaturization, increased reliability, and the ability to rapidly transmit more complex data.
Let’s explore the following four RF design trends we’ve identified based on our 40-years of expertise in the RF industry that are helping satcom design engineers meet the demands of the many industries relying on their devices today.
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.
Recently, Microwave Journal editors Pat Hindle and Gary Lerude sat down with Knowles Precision Devices product line manager Tim Brauner to discuss how our innovative high-performance components are helping RF engineers improve the size, weight, and performance (SWaP) of mmWave designs.
With more than 2,000 satellites currently orbiting the Earth, and that number expected to quintuple in the next 10 years, the demand for space-ready components is exponentially increasing (Figure 1). At the same time, the technology needed to control and transmit satellite data has changed from mechanically controlled parabolic or dish technology to active electronically steered arrays (AESAs).
At Knowles Precision Devices, our expertise in capacitor technology helps developers working on some of the world’s most demanding applications across the medical device, military and aerospace, telecommunications, and automotive industries.
The US MIL-STD-461 specification manages electromagnetic interference emissions by setting limits on the levels that can be emitted from electrical equipment. This specification also sets regulation to control equipment susceptibility to external noise sources and establishes guidelines for properly measuring the relevant equipment features.
As aerospace and defense technology advances, manufacturers need to find ways to incorporate more features without simply making planes larger, heavier, and increasingly more expensive. This is why the size, weight, power, and cost (SWaP-C) is often a driving factor for aerospace and defense companies when awarding contracts to component manufacturers.