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Reed Relay Matrix Card Combines High Density, Configuration Flexibility

Mon, 05/17/2010 - 6:27am

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Reed Relay Matrix CardKeithley Instruments introduced the Model 3732 Quad 4x28 Ultra-High Density Reed Relay Matrix Card. The card, which offers 448 single-pole matrix crosspoints, was designed for automated switch and measure applications that require multiple instrument connections as well as high crosspoint density and high speed. It is appropriate for use in a wide range of high pin count research and development and production tests applications, such as low-level contact resistance testing of high-speed memory interface boards or next generation IC sockets. Model 3732 has four banks of high-speed reed relays; each bank has four rows and 28 columns (4x28), providing a total of 448 single-pole crosspoints. These relays can be configured in a number of different ways, enabling the matrix size to be easily adapted to existing or future applications. The card also has analog backplane relays that allow expanding columns across cards automatically, up to a maximum of four rows by 672 columns in a single mainframe using six Model 3732 matrix cards. The Model 3732 also supports two-pole switching by automatically pairing relays to create either a dual 4x28 or a single 4x56 configuration. The card uses dry reed relays that offer both low contact potential and low current offset to minimize the switching errors that often accompany this relay technology. Additionally, these relays will switch up to 200 V at carry currents up to 1.2 A. The reed relays have a switching speed of 0.6 ms and are rated for more than 109 no-load operations.

Keithley Instruments
440-248-0400, www.keithley.com
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