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MEMS switches target ATE apps

Posted: 22 Jun 2007 ?? ?Print Version ?Bookmark and Share

Keywords:DPDT switches? SP4T switches? SPDTs? HFDA switch elements?

TeraVicta's HFDA-based switches

TeraVicta Technologies Inc. announces the addition of two new products to its switch family a double pole double throw (DPDT) and a single pole four throw (SP4T) configuration in the DC to 7GHz switch product line. Both new products use TeraVicta's patented high force disk actuator (HFDA).

The DPDT is configured as two independent SPDTs, giving engineers maximum flexibility in using the device for their applications. It can be used to handle differential signals or for density improvements in multi-switch environments. The SP4T integrates four HFDA switch elements, each of which is independently controlled, thus the switch is suitable for signal multiplexing or for applications such as antenna switching where higher integration and low insertion loss are the most critical parameters.

"Size and density are very important for differential signaling in ATE applications," said Heidi Barnes, senior test consultant for Verigy. "According to our test results, TeraVicta MEMS switches provide serious performance benefits, especially when we look forward to working with 10- and 20Gbps applications."

"Demonstrating the differential performance of the TeraVicta DPDT switch for Verigy required the use of some advanced test and measurement tools," added Mike Resso, signal integrity product manager of Agilent Technologies, component test division. "We used an 8-port 50GHz vector network analyzer with PHY test system software for signal integrity analysis. At 10Gbps, the TT2214 switch exhibits a wide-open eye-diagram with minimal jitter. This predicts excellent signal integrity performance in high speed semiconductor test applications."

Samples of the TT2214 DPDT and TT1414 SP4T switches and evaluation boards are now available. Pricing for the TT2214AD and TT1414AD are $59.50 each in sample quantities and $32.25 each in 1,000-piece quantities. Evaluation boards are available today and are priced at $400 each. Production quantities will be available in October.

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