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Description: be used for any RF function regardless of the pad/signal name. Both of the antenna switches are fabricated on the same substrate. The active path is selected using five positive voltage control lines: two control lines set the 5 GHz switch states and three control lines set the 2.5 GHz switch states
- Frequency Range: 1.00E8 to 6.00E9 Hz
- Isolation (Port to Port): 24 to 30 dB
- Actuator Type: Other
- Package Type: Surface Mount
Description: Abstract Up-to-date coverage of the analysis and applications of coplanar waveguides to microwave circuits and antennas The unique feature of coplanar waveguides, as opposed to more conventional waveguides, is their uniplanar construction, in which all of the conductors are aligned on the sameShow More
RF and Wireless Chips - Tx Quad-Band / Rx Dual-Band Front-End Module for GSM / GPRS (824–915 MHz) (1710–1910 MHz) -- SKY77582
Description: of each PA block and the outputs to the two receive pads are connected to the antenna pad through an RF switch. The GaAs die, Switch die, and passive components are mounted on a multi-layer laminate substrate. The assembly is encapsulated with plastic overmold. Band selection and control of transmit
- Device Type: Other
- Technology: GPRS, GSM
- Supply Voltage: 3 V, 3.3 V, 3.6V
- IC Package Type: Other
Supplier: RFMW Ltd.
Description: to the four receive pads are connected to the antenna pad through a PHEMT RF switch. The GaAs die, PHEMT die, Silicon (Si) die and passive components are mounted on a multi-layer laminate substrate. The assembly is encapsulated with plastic overmold. Band selection and control of transmit and receiveShow More
RF Amplifiers - Multiband/Multimode PAM for Quad-Band GSM / EDGE and Tri-Band (Bands I, V, VIII) -- SKY77606
Description: to support WCDMA, High-Speed Downlink Packet Access (HSDPA), and High-Speed Uplink Packet Access (HSUPA) modulations at moderate antenna Voltage Standing Wave Ratio (VSWR). This functionality covers multiple bands for 3GPP, including bands I, VIII, and operates at different power modes. The module
- Amplifier Type: Power Amplifier
- Applications: Mobile / Wireless Systems
- Frequency Range: 8.24E8 to 1.98E9 Hz
- Package Type: Surface Mount Technology (SMT)
Supplier: Hitachi Metals America, LLC
Description: From raw substrate opportunities to discrete components, all the way through to our Antenna Switch Modules and Front End Modules, Hitachi Metals is committed to this technology and use it in a wide variety of products. With LTCC components, you will realize the following benefits: Experience
- Metal / Alloy Types: Metal / Metal Alloys, All Types, Ferrous / Iron Based, Cast Steel (UNS J), Alloy
- Standards / Specifications: Specialty / Other
- Shape / Form: Fabricated Parts / Shapes, Profile / Structural Shape
- Features: Pearlitic
Supplier: Protavic America, Inc.
Description: ANE-57103 is a toughened two part adhesive. ANE-57103 is used for high speed bonding even at lower temperatures. ANE-57103is specifically developed for bonding difficult substrates such as glass, ceramics, metals and engineered plastics. Proven applications are bonding MRI magnets under full load
- Dielectric Constant: 4.3
- Material Form: Adhesive, Composite, Polymer (Plastic / Elastomer)
- Features: Electronics / Semiconductors, Electrical Power / HV
Description: For high frequency applications such as resonators, filters, and antennas
- Material Type: Piezoelectric Ceramic, Other
- Max Use / Curie Temperature: 2300 F
- Coeff. of Thermal Expansion (CTE): 1 µm/m-C
- Applications: Other
Supplier: Sheldahl - A Multek Brand
Description: Germanium Coated Polyimide Sheldahl’s family of germanium coated polyimide films are well suited for antenna cover applications due to the coating’s unique combination of radio frequency transparency and ability to bleed off static charges. This product may be ordered on a variety
- Materials of Construction: Plastic / Polymer
- Adhesive: None / Non-adhesive
- Width: 1.22E6 µm
- Thickness: 76.2 µm
Supplier: Total Plastics, Inc.
Description: colors that are not affected by the color of the substrate. High clarity clear tubing is also available. Shrink temperature is 115 °C, storage life is definite. The operating temperature range is -55 °C to +105 °C. Sumitube® A4 is recommended for general purpose applications
- Type: Heat Shrink Tubing
- Material: Polyolefin
- Diameter: 0.0469 to 2 inch
- Operating Temperature: -67 to 221 F
Supplier: Merrimac Industries, Inc.
Description: distribution and processing functions. They can also be used in monopulse receivers for processing signal feeds off the antenna. Hybrid junctions are often used as part of more complex divider/coupler, balance mixers, image reject mixers, single sideband modulators and antenna feed network assemblies
- Coupler Type: Uni-Directional
- Package Type: Surface Mount Technology (SMT)
- Frequency Range: 1.70E9 to 2.00E9 Hz
- Insertion Loss: 0.3000 dB
Supplier: Samsung Electro-Mechanics
Description: FEMiD is a part that isolates high-frequency signals, which are received by a mobile phone’s antenna, into transmission and reception signals for each communication band, and then transfers them. As the number of bands has increased with the spread of 4G/LTE, we provide a single-type
- Device Type: Transceiver
- Technology: 4G Standard
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RFID Battles the Elements
any new-ish technology, RFID has bugs to be worked out. Most have to do with immature hardware either the tags (comprised of a microchip, antenna and substrate on which they reside) or readers with which they communicate. Dead tags are just one reason RFID communication can break down
Effect of Permittivity and Permeability of a Flexible Magnetic Composite Material on the Performance and Miniaturization Capability of Planar Antennas for RFID and Wearable Wireless Applications
, this is the first flexible magnetic composite. demonstrated to work at these frequencies. The benchmarking. structure was a quarter-wavelength microstrip patch antenna. Antennas on the developed magnetic composite and pure silicone. substrates were electromagnetically modeled in Ansoft High-. Frequency Sounder
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Advanced Millimeter-wave Technologies: Antennas Packaging and Circuits Complete Document
The most critical point in terms of CTE mismatch is the gap between the chip and the Kovar frame that is bridged by the fused silica antenna substrate .
Terahertz Planar Antennas for Next Generation Communication
In general, it is believed that above 30 GHz, the antenna substrates are thick and they have high relative dielectric constant due to several reasons [22, 23].
Handbook of Microstrip Antennas, Volume 1
6.4 Parasitic elements on antenna substrate 337 .
2012 Index IEEE Transactions on Antennas and Propagation Vol. 60
Simulation Methodology for Synthesis of Antenna Substrates With Microscale Inclusions; TAP May 2012 2194-2202 Norman, R. J., Le Marshall, J., Carter, B. A., Wang, C.-S., Gordon, S., and Zhang, K., .
Low Profile Conformal Antenna Arrays on High Impedance Substrate
The antenna substrate is an important factor in the resultant radiation pattern and return loss characteristics.
Theory and Applications of Applied Electromagnetics
The size of the conventional rectangular antenna substrate is reduced to be more suitable for future small UWB wireless systems.
Microwave and Millimeter Wave Circuits and Systems: Emerging Design, Technologies and Applications
Also, the antenna substrate can be composed of multi- ple fabric layers, contributing to the inhomogeneous nature of the material’s permittivity and introducing anisotropic behavior.
Microstrip and Printed Antenna Design
Appendix A: Microstrip Antenna Substrates . . . . . . . . . . . . . . . . . . . . . . . .
Millimetre Wave Antennas for Gigabit Wireless Communications: A Practical Guide to Design and Analysis in a System Context
Two primary applications in this respect are large-scale antenna arrays with packaged ICs and/or switches within a multilayer antenna substrate , or perhaps vertically integrated LCP-based RF modules where switches and/or active devices may be bonded inside a multilayer LCP construction.
The relationship between the minimal ferromagnetic resonance frequency and the shape and quantity of the ferrite inserts in nonreciprocal passive devices
This article aims to analytically determine radio electric parameters of magneto-conductive thin films for a patch antenna substrate application.
Millimeter-wave and terahertz integrated circuit antennas
The infinite dielectric can be synthesized using a lens of the same dielectric constant attached to the antenna substrate , hence the name “substrate lens.” .
PBG based Terahertz Antenna for Aerospace Applications
Hence, it has been suggested that the permittivity of the antenna substrate should be positive and very less as compared to the frequently used dielectrics (Jha and Singh 2010).
Handbook of Smart Textiles
First, off-the-shelf textile fabrics serving as antenna substrate are not produced according to the same rigorous standards as typical antenna foams and high-frequency laminates.
Substrate constructed by an array of split ring resonators for a THz planar antenna
The yielded results are then compared to those of two novel designs of metama- terial antenna substrate with SRRs of decreasing size which are proposed to improve the antenna’s performance.