Passive Components

PASSIVE COMPONENTS APPLICATION NOTES AND WHITE PAPERS

  • Ferrite Beads Demystified

    High resolution, high performance converters and radio frequency (RF) systems require good power supply noise filtering and high frequency crosstalk reduction between analog and digital domains. An effective method for filtering high frequency power supply noise and cleanly sharing similar supply rails is the use of ferrite beads. A ferrite bead is a passive device that filters high frequency noise energy over a broad frequency range, where it then becomes resistive and dissipates noise energy in the form of heat. This application note presents and discusses Analog Devices’ products that demonstrate the effects of ferrite beads as output filters.

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PASSIVE COMPONENTS PRODUCTS

High Power Limiters For Defense And Security Applications High Power Limiters For Defense And Security Applications

HUBER+SUHNER high power limiters are designed as integral security systems for sensitive receivers to protect against front door coupler high power electromagnetic energy such as HPM/HIRF, HEMP, and LEMP. With a low threshold level, a maximum input power of 25 W CW, and a 1 kW beam peak, these limiters are ideal for radar signals environments on board naval vessels.

Wilkinson Power Dividers Wilkinson Power Dividers

Dielectric Laboratories offers a series of high-frequency SMT Wilkinson power dividers covering the 2 to 18 GHz frequency range, in 1-way, 2-way, or 4-way models. The devices feature a solder surface mount package, excellent phase and amplitude balance, and a compact size.

Surface Mount Directional Couplers Surface Mount Directional Couplers

Dielectric Labs Inc. (DLI) introduces a series of surface mount directional couplers designed to offer a turnkey surface mount solution for high frequency incident and reflected power monitoring. These directional couplers span the C, X, and Ku band frequency spectrums, and are available with 10dB and 20dB coupling values, and a common footprint for maximum flexibility.

Compact Directional Coupler: Model 120706 Compact Directional Coupler: Model 120706

KRYTAR’s new directional coupler is a superior performance narrow band product covering the 7.0 to 12.4 frequency range. Adding to the selection of multi-purpose, stripline designs that exhibit excellent coupling, Model 120706 enhances the product line with performance ratings including Nominal Coupling (with respect to output) of 6 dB, ±0.5 dB, and Frequency Sensitivity of ±0.30 dB.

Industry’s Smallest EMI Feedthru Filter Industry’s Smallest EMI Feedthru Filter

Design engineers are constantly trying to minimize space in creating smaller more efficient products.  Corry Micronics’ new Micro Spanner EMI Filter matches the smallest size chassis-mounted feedthrough the industry has ever seen.  The FT40 spanner bushing filter offers a miniature diameter of 0.071”and is the optimal form factor for designs that demand efficiency in a compact footprint.  Corry’s Micro Spanner is offered in a “C” filter configuration and provides capacitance from 10 pF to 5000 pF. 

Outdoor Ready Passive Splitters/Combiners Outdoor Ready Passive Splitters/Combiners

ETL Systems offers a new series of outdoor ready, IP67 rated RF power splitters and RF power combiners designed to cover the Ku and wideband frequency ranges. With 2-way, 3-way, and 4-way capacity options, these passive splitters/passive combiners are available in models with 10 MHz and DC pass on all ports, or 10 MHz and DC pass on one port. All units are provided with 50 ohm N-Type or SMA connector types, and are ideal for outdoor applications involving telecom infrastructures, satellite systems, microwave links, and radar networks.

Military-Spec GPS Splitters Military-Spec GPS Splitters

GPS Networking provides military grade passive, amplified and high isolation splitters for the most rigorous and challenging environments. These splitters are based on the Wilkinson splitter design, and come with one input and 2, 3, 4, or 8 output options. Frequency response covers the entire L-band, or GNSS, GPS L1, L2, L5, Galileo, and GLONASS band frequencies, with excellent gain flatness.

L-Band Couplers L-Band Couplers

ETL Systems offers L-band (850-2150 MHz) directional couplers featuring 10 dB or 20 dB with DC, and 10 MHz pass between input and transmit ports. These devices are available in 50 Ω SMA, N-type, BNC and 75 Ω BNC or F-type RF connector options, and have coupled ports that are DC blocked.

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