Phoenix Contact presented a new portfolio of single-phase line filters with and without overvoltage protection. The DIN rail-mountable, universally applicable EMC filters have IP20 protection. In addition to the filters for power supply systems, a filter with integrated surge protection is available for signaling systems. The new EMC filters for power supply systems are available […]
filters
Power line EMI filters reduce EMI emissions in MRI shielded rooms
ITG Electronics has introduced a series of UL and cUL Listed MRI Room Power Line EMI Filters that significantly reduce EMI emissions in MRI Shielded Rooms. Designed to eliminate interference with MRI scanning equipment, the range comes in single, two- and three-line varieties. The single-line F1770, two-line F2771 and F3772, and three-line EMI filters are […]
Miniaturized common-mode filters target automotive high-speed differential transmission apps
TDK Corporation has developed the KCZ1210DH series common-mode filters for automotive applications. This series provides a noise control function for high-speed differential transmission signal lines for automobiles and is available in 1210 case size (1.25 x 1.0 x 0.5 mm). Mass-production began in February 2022. An increase in advanced driver-assistance systems (ADAS) has led to […]
Common-mode filters handle high-temp automotive apps
TDK Corporation announced the development of its KCZ1210AH series of miniaturized common-mode filters for automotive applications. The series is extremely compact, measuring 1.25 (L) x 1.0 (W) x 0.5 mm (H), which contributes to a smaller footprint on the substrate and provides a noise control function for different transmission signal lines for automobiles. With an […]
Autosensing level shifter IC addresses lower voltage processors and MCUs in automotive systems
Diodes Incorporated has expanded its family of voltage-level shifters, with the release of the PI4ULS3V304AQ. This advanced level shifting technology, featuring high degrees of flexibility, is proving vital to modern automobile design. It addresses the challenge of lower voltage microprocessors and microcontrollers incorporated into automotive systems, which are required to drive external devices operating at […]
What are switched capacitor filters, amplifiers and integrators?
Switched capacitors (SCs) are highly-versatile circuit elements that can be used to provide various functions, ranging from micro-scale implementations embedded in integrated circuits (ICs) or designed into wearables and other small devices, to a variety of power conversion applications, up to grid-scale systems. This FAQ series will explore the versatility of switched-capacitors. Following this initial […]
Noise suppression filters optimized for in-vehicle power-over-coax apps
TDK Corporation announces the launch of the MDF1005 series of noise suppression filters for in-vehicle PoC, used in applications such as ADAS circuits, BUS lines, telematics units, and more. Mass production will begin in December 2020. The products in the MDF1005 series have good DC superimposition characteristics with impedance within the PoC high-frequency band, between […]
How to design modular DC-DC systems, Part 2: Filter design
The previous tutorial in this series highlighted the performance, flexibility, and speed benefits of using power modules to design power systems then provided an overview of the modular design process. A modular design strategy is powerful, but it requires support circuitry in the power delivery network (PDN) to form a complete power system. This second […]
Miniature common mode filters combine wide differential bandpass with ESD protection
Nexperia, the expert in essential semiconductors, has announced its new PCMFxHDMI2BA-C, a combined, highly efficient, common mode filter and ESD protection device with the widest 10 GHz differential bandwidth. It is suitable for the latest HDMI 2.1 standard up to 12G FRL, where eye-diagram tests were passed even with “worst cable model”. This highly integrated PCMFxHDMI2BA-C device provides excellent common […]
Current-compensated dual choke filter inductors handle high currents
Bourns, Inc.introduced the Model DR334A Line Filter Series. These current-compensated dual choke filter inductors feature higher current capability than typical standard signal line common mode chokes, as well as high stray inductance and differential mode noise rejection. These capabilities make the Model DR334A series ideal line filter solutions for consumer, industrial and other market power […]
