The DA22 from Schurter, Inc. is a compact power-entry module (PEM) that provides maximum electrical power density. Crafted especially for PCB mounting, the DA22 combines an IEC compliance inlet, a fuse, and a filter into one unit. Pre-wired this product requires minimal PCB space and can be mounted with only minimal time for wiring. This PEM integrates EMI filtering and … [Read more...]
Compact RF Dielectric Filters Target W-CDMA Amplifier Applications
The DFCL filter series from Murata Electronics North America are block type filters measuring 10.6 mm x 6.0 mm x 4.8 mm. They offer excellent selectivity and ripple performance, features critical in wireless code division multiple access (WCDMA) Band 1 digital pre-distortion (DPD) and long term evolution (LTE) DPD amplifiers. A multi-pole design ensures that wanted signals are … [Read more...]
Spread-Spectrum Oscillator Reduces EM Emissions by up to 12 dB
The SiT9003 from SiTime Corporation is a programmable spread-spectrum oscillator said to consume one-third the power of comparable quartz-based solutions while reducing EM emissions by as much as 12 dB. Its standard footprint enables quartz replacement without system redesign or re-layout. It also features a number of programmable features including frequency, voltage, … [Read more...]
Chip Provides EMI and ESD Protection for Vehicle Networks
The new LIN SBC (system basic chip) family from Freescale Semiconductor has been crafted to provide both EMC and ESD performance for LIN® (local interconnect network) vehicle networks. This family features three highly integrated, pin-compatible devices. The MC33910G5 combines power management capabilities that contribute to low battery discharge during low-power modes, a … [Read more...]
EMI Filter/Suppression Module Performs in Harsh Avionic Environments
The VPTi10-28 from VPT, Inc. is a new EMI filter and voltage transient suppression module that provides two modules in one mini-package to reduce the reflected noise of DC-DC converters and to protect the power system from inrush current damage. The VPTi10-28 is well suited to harsh, demanding applications such as military or avionics. The device serves as the filtered input … [Read more...]
Spread Spectrum Oscillator Reduces Electromagnetic Emissions
The Sit9003 spread spectrum oscillator from SiTime is touted as consuming one-third the power of comparable quartz-based solutions. The device reduces electromagnetic emissions by up to 12 dB. The 2.5-mm x 2-mm unit can be programmed for frequencies between 1 and 110 MHz. Other product features included available voltages of 1.8 V, 2.5 V, 2.8 V, or 3.3 V—as well as down-spread … [Read more...]
Surface Mount Filters Eliminate Conducted EMI in Data Line Applications
The PDLFxxxxL family of surface mount filters from Coilcraft eliminates the problem of conducted EMI in data line applications and provides common- and differential-mode noise attenuation. These devices reduce noise by a factor of 32 from 15 MHz to 300 MHz and provide 300 Vrms isolation and come in 4, 3, and 2 line versions. They are RoHS-compliant. Samples of all values and … [Read more...]
Multi-Cavity Products Address Complex PCB Shielding Issues
The new Slot Lok Multi-Cavity (SLMC) product line from Leader Tech has been crafted especially to address today’s complex shielding issues effectively and economically. The proprietary SLMC design and manufacturing process combines multiple shields under the same footprint saving space, weight, and assembly costs while cutting time to market. These products use standardized … [Read more...]
Multi-Cavity Products Address Complex PCB Shielding Issues
The new Slot Lok Multi-Cavity (SLMC) product line from Leader Tech has been crafted especially to address today’s complex shielding issues effectively and economically. The proprietary SLMC design and manufacturing process combines multiple shields under the same footprint saving space, weight, and assembly costs while cutting time to market. These products use standardized … [Read more...]
Test Transmission System Targets Demanding Applications
The DOtech product line from Germany-based NK-Elektronik are test transmission systems consisting of two send/receive units connected by an fiber optic cable transmission lines. Signals can be transmitted in both directions. The digital transmission lines boast freedom from potentials, negligible emissions, and high immunity to electromagnetic fields and interfering currents. … [Read more...]
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