Introduction

Highlights of this issue include new product releases from Agilent Technologies, Aeroflex, Anritsu and Pico Technology; design features on new modulation schemes and LTE test techniques; test and measurement related design ideas; schedule of the ISMA 2010 and the SEMICON Europa 2010 conferences; and research studies on communications test.
 

20 May 2010
 

Handheld RF power meter
Agilent Technologies has released the V3500A handheld RF power meter, the new addition to its range of power meters and power sensors. This palm-sized device is the first handheld power meter from the company. The device includes a built-in display and integrated power sensor.
Agilent Technologies

TD-SCDMA PXI measurement suite
Aeroflex has introduced its PXI 3030 TD-SCDMA measurement suite to provide fast and cost-effective production testing of mobile handsets and RFICs based on ETSI 3GPP TS 34-122. The PXI 3000 series brings speed and modularity to the TD-SCDMA test market.
Aeroflex
 

Test & Measurement World: Complex modulation comes to optical fibre
The demand for greater data throughput seems endless, and it is accelerating faster than many people expected, creating bottlenecks in fibre-optics networks. Digital transmissions of 100 Gbps, which are just now being introduced, are expected to alleviate some of these bottlenecks.

LTE in FOCUS
As LTE networks roll out this year, engineers will be applying various test scenarios in lab and smallscale field tests to the LTE devices and equipment they are developing. As part of the worldwide 3GPP Release 8 standard, LTE has been fully defined since March 2009. This new technology is an essential enhancement of classic mobile-communications technologies, such as GSM/ EDGE, WCDMA/HSPA(+), and CDMA2000/Ev-Do Rev A.

Measure propagation delays using time-domain reflectometry
You normally use TDR (time-domain reflectometry) to measure impedance change along a signal path. It is also a valuable tool for measuring propagation delays. The TDR technique is applicable to any high-speed circuit. You can use the propagation delay of a highspeed pin-electronics IC in ATE (automatic test equipment) to perform these measurements.


Control stepper motors in both directions
Stepper motors need bidirectional control in automatic machines or robotic applications. The circuit in Figure 1 lets you control bipolar stepper motors and run them in both rotations. You can use the circuit in automatic devices and as an evaluation circuit for testing stepper motors.
 

ISMA 2010, 20-22 September, 2010 at Leuven, Belgium
The ISMA conference provides a forum for engineers, researchers and other professionals active in the field of modelling, analysing, testing and improving the noise and vibration characteristics of mechanical systems and civil structures. The conference combines expertise in the noise and vibration fields by stressing common measurement, modelling, analysis and control technologies.

SEMICON Europa 2010, 19-21 October 2010 at Dresden, Germany
The main topics covered in the SEMICON Europa conference include performance with a european touch (digital and AMS/RF), fab yield improvement through test data (digital and AMS/RF), and new test challenges such as MEMS / high reliability devices, new environments / new challenges / new requirements and balancing costs vs high quality and performance requirements.
 

Communications Test, Industry Research, Global
Communications test and measurement forms a significant portion of the test and measurement market. However, the telecommunication downturn coupled with the economic uncertainties in the past three years has created a highly volatile and dynamic market, driving test equipment vendors to enter into strategic alliances.
 

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