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Passive Components

Passive products

ARTICLES

70 MHz bandpass filter by KR Electronics

KR Electronics part number 3157-1 is a 70 MHz bandpass filter. It has a min 0.5 dB bandwidth of 30 MHz. The filter is group delay and amplitude equalized.


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3H Communication Systems Inc., a new highly innovative yet low cost design and manufacturing company

3H Communication Systems Inc. is a new highly innovative yet low cost  design and manufacturing company headquartered in Irvine, CA with operations in Tijuana, Mexico. 3H specializes in RF front-end systems mainly Filters, Multiplexers, Switch Filter Banks and Multi-Function Assemblies for the commercial and military markets.  3H’s second to none expertise includes designing for High Power, Low PIM and DAS sub-assemblies solutions for the LTE, WiMax, CDMA, GSM, UMTS, TDMA, WiFi and other wireless markets.


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Vishay Intertechnology Power Metal Strip® current sense resistors feature operation to +275 °C

Vishay Intertechnology Inc. introduces the industry's first surface-mount, four-terminal Power Metal Strip® current sensing resistors in the compact 2726 and 4026 case sizes to provide an operating temperature range to +275 °C. The Vishay Dale WSLT2726 and WSLT4026 combine their high-temperature performance with 3 W power ratings and extremely low resistance values down to 0.002 Ω.


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Linear Technology's USB µModule isolator

Linear Technology Corp. introduces the LTM2884, a USB µModule® (micromodule) Isolator that combines USB data communications and USB power, and guards against ground-to-ground differentials and large common mode transients.


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Arrow's RF & Power business introduces expanded line of MLS flatpack aluminum electrolytic capacitors

Arrow Electronics, Inc. announced the availability and full design support capabilities for the expanded line of MLS flatpack aluminum electrolytic capacitors from Cornell Dubilier.


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Low-loss wideband hybrid couplers from EMC Technology

EMC Technology, a global power house in RF/microwave resistives and signal distribution passive components, has released a new series of low-loss wideband hybrid couplers.


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Cornell Dubilier introduces ruggedized flatpack capacitors

Cornell Dubilier Electronics Inc. (CDE) announced it has expanded its line of MLS flatpack aluminum electrolytic capacitors to include a high vibration package, type HVMLS and a high reliability burn-in option, type HRMLS.


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AVX introduces 3DB, 90° hybrid coupler series

Passive Components

AVX Corp., a leading manufacturer of advanced passive components and interconnect solutions, has introduced two new wideband, 3dB, 90° hybrid couplers: a 2100MHz device for 1.5 – 2.1GHz performance and a 2700MHz device for 2.1 – 2.7GHz performance.


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RFMW offers 8GHz absorptive SP4T from Peregrine

RFMW Ltd. announces design and sales support for Peregrine Semiconductors' 10MHz to 8GHz SP4T switch. The PE42441 combines low insertion loss of 1dB with high isolation of 39dB (measured at 6GHz). Internal 50 ohm terminations give this absorptive switch a P0.1dB compression point of 31dB, a significant competitive advantage for target applications in wireless infrastructure and wireless connectivity.


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New Vishay intertechnology universal edgewound power resistor

Vishay Intertechnology Inc. introduced a new universal edgewound power resistor. Providing a convenient drop-in replacement for competing solutions, the universal-mounted EDGU combines a high-reliability design with continuous duty operation up to 85 A and a short-time overload of 10x rated power for five seconds. 


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DOCUMENTS AND FILES

Combiners for Doherty Power Amplifier Architectures

Doherty combiner product line covers major communication bands ranging from 700 MHz to 2700 MHz. Each model is optimized for the center frequency of targeted frequency band. However, as new spectrum is being released, the pre‐designed standard models can be tuned in customer applications to meet performance. This document provides guidelines to tune these standard models for off‐band applications.

Selecting RF Chip Capacitors for Wireless

With today's advancements in wireless technology, greater emphasis is being placed on component performance. This article will provide a discussion of ceramic and porcelain chip capacitors and understanding their behavior in RF product designs. They are an excellent choice for wireless applications where volumetric efficiency, reliability and RF performance are an absolute must.

Application Guide to RF Coaxial Connectors and Cables

There is a wide variety of coaxial connectors and cables available for use in the RF and Microwave spectrum. While often not much thought is given to these essential components, a misstep here can result in undesirable system degradation. Given that typical RF systems are comprised of any number of items, e.g. RF generators, amplifiers, attenuators, power meters, couplers, antennas, etc., it is not uncommon that a great deal of thought is given to these “high end devices while mundane items such as connectors and cables are often treated as an afterthought".

Selecting Ferrite Circulators for Radar Applications

Radar markets continue to forecast positive growth, and Skyworks Solutions offers a range of products designed specifically for these expanding markets, including materials for phase shifter applications and ferrite circulators.

Improving Measurement Accuracy for High Frequency RF Connectors

Improving the accuracy of your microwave test and measurement equipment becomes increasingly important when high frequency devices are used in the transmission paths of radio, cellular, satellite and digital communications. This discussion helps to solve problems with measurement errors during and after calibration of your microwave test instrument.

Minimizing PIM Generation From RF Cables and Connectors

Understanding mechanical tolerances, coaxial design details and connector materials used in cable assemblies helps produce communications equipment with the lowest levels of passive intermodulation (PIM).

GWT Filters

Narrowband Microwave Bandpass Filter Design by Coupling Matrix Synthesis Morten Hagensen Guided Wave Technology ApS, Hilleroed, Denmark

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