news digest ♦ RF Electronics
be restricted. The European Commission will then decide on banning these substances under RoHS, the transition periods allowed for the manufacturing supply chain to adjust and start considering necessary exemptions.
The SEMI RoHS working is actively contributing to the drafting of the review methodology. For further information and to contribute to this work, please contact Sanjay Baliga at
sbaliga@semi.org
EU Conflict Minerals Debate is Launched – Potential Impact on Industry’s Sourcing of Raw Materials from Conflict Zones
The EU is now also considering whether it needs to adopt EU measures to support responsible sourcing from conflict-affected or high-risk areas. It is not yet clear what minerals or what countries a possible EU initiative would focus on, nor whether its nature would be voluntary or binding. The question is also raised whether EU measures should address specific end-products or downstream industry sectors.
A number of initiatives on conflict minerals already exist, including the OECD guidelines on due diligence and the EU is looking to build on these and reinforce transparency through the supply chain. In the U.S., the Dodd-Frank act requires companies to report annually whether they or their suppliers are using conflict minerals (tin, tungsten, tantalum and gold originating from the Democratic Republic of Congo or an adjoining country) and the EU is seeking feedback on how these provisions are working in practice.
The adoption of an EU legislative measure would have significant implications for SEMI members, creating a traceability requirement across the entire manufacturing supply chain. The consultation is available online here – deadline for submissions is 26 June 2013. For further information, please contact
gourania@semi.org
Further information on SEMI advocacy activities in Europe and on the SEMI Europe Advocacy Partners program can be obtained from Rania Georgoutsakou (
gourania@semi.org; +32 2 609 5334) or Heinz Kundert (
hkundert@semi.org).
Peregrine Introduces RF Switch for Wireless Infrastructure Market
SPDT switch promises increased network capacity and higher data rates
Peregrine Semiconductor Corporation, a fabless provider 120
www.compoundsemiconductor.net June 2013
of high-performance radio frequency integrated circuits (RFICs), has announced availability of what the company says is the industry’s highest-isolation SPDT RF switch for the wireless infrastructure market.
The UltraCMOS based PE42420 RF switch has high isolation of 64 dB @ 4 GHz—an approximately 20% increase over competing devices on the market. Additionally, the switch features HaRP technology enhancements to deliver high linearity, with an IIP3 of 65 dBm. By providing high linearity and isolation in a single, small package, the PE42420 switch simplifies Digital Pre- Distortion (DPD) loop design, which reduces cost and shortens time to market. This high-performance switch enables increased network capacity and higher data rates in infrastructure applications such as Base Station Transceiver Systems (BTSs), Remote Radio Heads (RRHs), and wireless backhaul; as well as Industrial, Scientific and Medical (ISM) band devices that operate in the 2.4 GHz and 5.8 GHz frequencies.
“As we enter a period of major mobile broadband capacity upgrades, network equipment vendors are challenged to provide mobile operators with flexible, backward-compatible solutions to replace 2G and 3G network products with LTE-ready systems that are capable of supporting multiple standards,” said Mark Schrepferman, director of the communications and industrial product line for Peregrine’s High-Performance Solutions business unit. “At the same time, the demand for higher data rates is requiring improved network performance, which we believe is driving market needs for high-isolation and high-linearity RF components. The PE42420 switch enables equipment vendors to meet these network modernization challenges.”
In order to maximize network performance in next- generation wireless communication systems, high port- to-port isolation is required, to prevent the output signal from spilling into adjacent radio channels or bands. Additionally, because the DPD receiver is shared by multiple Power Amplifiers (PAs) in these systems, high isolation between the multiple paths ensures that the PA that is being sampled is not contaminated by other signals. The 0.1 to 6 GHz PE42420 switch supports 1.8V control logic, enabling the use of lower-voltage, and lower-power, microcontrollers. ESD tolerance of 2kV HBM on all pins eases manufacturing and results in higher reliability of the end product.
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