Markets

Strategies for Scaling Capacity In Microwave Networks

Thu, 23 May 2013 20:09:00 +0000

The application of higher-order modulation formats and the use of packet compression mechanisms are compared for their roles in scaling capacity in modern microwave networks.

GaN Transistor Pushes 500 W

Thu, 23 May 2013 15:09:00 +0000

This power transistor provides 500 W output power with short radar pulses from 1200 to 1400 MHz.

Fabricate a 2.4-GHz Fractional-N Synthesizer

Thu, 23 May 2013 13:26:00 +0000

Fractional-N frequency synthesizers offer numerous advantages in terms of performance compared to integer-N frequency synthesizers for emerging wireless communications applications.

This frequency synthesizer is based on fractional-N techniques for stable performance from 1.8 to 2.4 GHz.

UWB Antenna Blocks Interference

Tue, 21 May 2013 13:36:00 +0000

Kun-Long Min, Jia-Wei Zang, and Wen-Long Song

This compact UWB antenna design employs several integral slots in its circuitry to create resonances and notch out potential interference from two frequency bands.

An UWB antenna design includes several notches to guard against interference to existing wireless applications.

Transceiver ICs Arm Backhaul Radios

Mon, 20 May 2013 13:59:00 +0000

These three integrated radio devices support mobile backhaul applications with a common package footprint for radio designs at 60, 70, and 80 GHz.

This family of transceiver ICs supports high-data-rate backhaul communications at millimeter-wave frequencies from 57 through 86 GHz.

RF MEMS Switches Are Primed For Mass-Market Applications

Thu, 09 May 2013 17:14:00 +0000

Roger Allan

While MEMS switches offer obvious countermeasures for performance issues in smartphones, the defense and test segments also are recognizing their benefits in an array of applications.

Scanning New Products At IMS 2013

Thu, 09 May 2013 16:11:00 +0000

The IMS exhibition floor usually resembles an international marketplace, with many of the industry’s leading manufacturers showing off new hardware and software.

This is just a sampling of the wide range of components, materials, software, and test equipment on display on the exhibition floor at the 2013 International Microwave Symposium (IMS).

Oscillators Cover Multiple Bands

Thu, 09 May 2013 15:49:00 +0000

This new class of oscillator synchronously generates the signals needed for multiple-band, multimode communications with and without switching resonators or using multipliers.

Current-Mode Amp Powers 2.4 GHz

Thu, 09 May 2013 14:47:00 +0000

Sichun Du, C.W. Chan, Hongxia Yin, and Wenbin Huang

It is possible to apply switch-mode approaches to a silicon CMOS semiconductor process to fabricate a current-mode power amplifier with high gain and efficiency for use in 2.4-GHz wireless applications.

Switch-mode techniques can be used to bias a 2.4-GHz CMOS PA to achieve high efficiency.

Understand HSPA+ Concepts And Measurements

Thu, 09 May 2013 14:05:00 +0000

Given the budget advantages, many operators have chosen HSPA+ over Long Term Evolution (LTE) as their short-term upgrade strategy.