The Editors of Microwaves and RF

The
Editors of Microwaves and RF
Articles
Frequency Doubler Extends To 30 GHz
Model XX1010-QT is a GaAs monolithic-microwave-integrated-circuit (MMIC) frequency doubler from M/A-COM Technology Solutions that is well suited for satellite-communications (satcom) and point-to-point communications systems.
Planar Antenna Captures NFC Data
A near-field communications (NFC) antenna enables mobile telephones to read data from a source at distances to 40 mm. The antenna sends and receives clear signals even when installed in close proximity to a battery or metal housing.
BUC Links Ku-band Satcom Systems
Model XTS-40KHE-B1 is a Ku-band block upconverter (BUC) that includes temperature compensation, gain control, harmonic filtering, receive-band filtering, and an output isolator in a compact unit weighing less than 10 lbs; it measures just 11.2 x 4.4 x 54. in.
Oscillator Locks Onto 1030 MHz
Model CLX-1020-XA is a fixed-frequency, phase-locked oscillator with a stable output at 1030 MHz.
Module Supports ISM Front Ends
Designed for applications in the 868/900-MHz Industrial-Scientific-Medical (ISM) band, model RFFM6904 is a single-chip front-end module (FEM) ideal for portable equipment.
Switch Channels 14.4 to 15.4 GHz
Model P2T-14D415D4-15-SMT-20W is a driverless high-power single-pole, double-throw (SPDT) switch designed for applications from 14.4 to 15.4 GHz. It exhibits maximum insertion loss of 1.2 dB at room temperature (+25°C).
VCO Tunes From 1210 To 1230 MHz
Model USSP1217-LF is a RoHS-compliant voltage-controlled oscillator (VCO) designed for L-band applications from 1210 to 1230 MHz. It tunes with voltages from 0.5 to 3.0 VDC and tuning linearity of better than 1.1:1.
Metamaterials-Based Approach Promises Satellite Connection
Imagine that a new antenna technology truly made “broadband everywhere” possible. As the most recent spinout from Intellectual Ventures (IV), Kymeta just closed a $12-million funding round to develop and bring to market IV’s Metamaterials Surface Antenna Technology (MSA-T).
Broadcast Services Are Demonstrated Over LTE
Using evolved Multimedia Broadcast Multicast Service (eMBMS) technology, it is possible for Long-Term-Evolution (LTE) network infrastructure to be used for the delivery of broadcast services, such as television. This capability, if utilized, could certainly impact how LTE services are offered.
Plan For The 1000x Mobile-Data-Traffic Increase
The last few years have seen phenomenal growth in the global demand for mobile-broadband data services. This growth is expected to continue unabated.
OCXOs Provide Holdover Timing For Base Stations
For wireless communications that use time-division-duplex (TDD) signaling, it is very difficult to maintain synchronization. In addition to providing real-time services, base stations must maintain accurate relative timing for successful call-signal handoff.
Qualcomm Acquires Small-Cell Specialist
To increase capacity and coverage in mobile networks, most operators are beginning to implement small cells and heterogeneous networks (HetNets). To better support these efforts, Qualcomm, Inc. (www.qualcomm.com) has acquired DesignArt Networks
Qualcomm Acquires Small-Cell Specialist
To increase capacity and coverage in mobile networks, most operators are beginning to implement small cells and heterogeneous networks (HetNets). To better support these efforts, Qualcomm, Inc. (www.qualcomm.com) has acquired DesignArt Networks
Watchdog Group Pushes For Carriers To Disclose Data Speed
Today, ads for the latest fourth-generation (4G) networks and products are everywhere. According to Consumer Watchdog (www.consumerwatchdog.org), however, technical speed standards for “4G” mobile technology are universally ignored by US cell-phone companies.
China Explores Small Cells’ Potential
As China Mobile continues to roll out TD-SCDMA and TD-LTE networks, it faces some of the same coverage gaps encountered elsewhere in the world: spotty indoor coverage, insufficient capacity for crowded public places, and more.
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