TDK Corporation has announced the introduction of its compact MAF1005FR series of EMC components, measuring 1.0 mm (L) x 0.5 mm (W) x 0.5 mm (H). These multilayer chip components are designed to improve sound quality and reduce noise interference in the audio lines (sound lines) of smartphones and other devices such as tablets, wearables, […]
filters
Thin-film filters for space-constrained and RF applications
KYOCERA AVX has released a new series of miniature high-pass thin-film filters engineered to provide excellent high-frequency performance in a variety of space-constrained microwave and RF applications in the telecommunications, automotive, consumer electronics, and military markets. The new HP Series high-pass thin-film filters are based on proven multilayer integrated thin-film technology that enables the quick […]
SAW filters designed for multiple GNSS applications
Raltron announces specific SAW Filters for GNSS navigation systems that optimize performance, and provide a viable second source alternative for other mainstream suppliers. The RSF Series of SAW filters is specifically designed for GPS, GLONASS, Galileo, Compass (BeiDou) and soon NavIC systems. Developed to assist system engineers in optimizing performance in GNSS applications, the RSF […]
Inductors and all-mode filters now for frequencies up to 5 GHz
SMP Sintermetalle Prometheus GmbH & Co KG (SMP) has extended the frequency range for inductive components and filter systems. Filter damping in all-mode products now has an effective range of up to 5 GHz. SMP manufactures and develops EMC filter systems and inductive suppression components based on All Mode Technology (AM), a registered trademark of […]
Common mode filter for automotive Ethernet reduces line-to-line capacitance
TDK Corporation has announced the introduction of its new ACT1210E Series (3.2 x 2.5 x 2.5 mm (L x W x H)) of common mode filter for automotive Ethernet 10BASE-T1S. Mass production of this new common-mode filter began in February 2023. This product is the industry’s first common mode filter for automotive Ethernet 10BASE-T1S. Adopting […]
Common-mode filters boast 10.7 GHz bandwidth
New common-mode filters from STMicroelectronics have an extremely wide differential bandwidth of 10.7GHz to protect antenna sensitivity in adjacent wireless circuitry from the latest serial digital interfaces. The 2-channel ECMF2-40A100N10 and 4-channel ECMF4-40A100N10 are compatible with high-speed interface standards including USB 3.2 Gen 2, USB4, HDMI 2.1, and DisplayPort. With their low serial resistance of just 3Ω, which […]
What’s the difference between equalizers?
Equalizers are used to alter the performance of signal chains. In some cases, that means linearizing signal chain performance. In other cases, equalizers are used to introduce nonlinearities. As a result, equalizer designs vary widely from simple passive circuits to complex multi-stage designs and active circuits. This FAQ reviews equalizer basics, looks at equalizers for […]
What are reflectionless filters, Part 4: implementations
Standard filters reflect unwanted stopband energy, but reflectionless filters present a seamless impedance across both stopband and passband which greatly improves performance of the RF signal chain. Filters are an area of intense interest, analysis, simulation, and often physical fabrication along with tests and academic papers. Yet, for hands-on design engineers, it’s important to be […]
What are reflectionless filters? Part 2: The need
Standard filters reflect unwanted stopband energy, but reflectionless filters present a seamless impedance across both stop band and pass band which greatly improves performance of the RF signal chain. The higher frequency world of hundreds of megahertz and into gigahertz is very different than the low-frequency world. It is a world where design tools such […]
What are reflectionless filters? Part 1: context
Standard filters reflect unwanted stopband energy, but reflectionless filters present a seamless impedance across both stopband and passband which greatly improves performance of the RF signal chain. Filters are an inherent, inescapable, necessary component in electrical and electronic circuits. Modern systems would be impractical and likely impossible without filters, whether at low frequencies down to […]
