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Teledyne Broadband Relays Deliver Improved Signal Integrity to 10Gbps for Test & Measurement

HAWTHORNE, Calif. (July 26, 2007) - Teledyne Relays announced that improvements to its Series GRF300 and GRF303 high-repeatability, broadband TO-5 electromechanical relays now deliver 10Gbps data rates for digital signal integrity applications.

The relays are designed to provide a practical surface-mount solution with improved RF signal repeatability over the frequency range. Improved ground connections provide the 10Gbps data rates.

Teledyne collaborated with two customers to evaluate the performances of the GRF300 and GRF303 relays. An eye diagram simulated using the S-parameter data demonstrated the ability to transmit 10Gbps signals. The maximum useful bandwidth reached 19-21GHz.

Compared with competitive relays used in test & measurement equipment, the GRF300 and GRF303 deliver better performance at lower cost in a package half the size.

With U.S. patent pending, these ultraminiature surface-mount relays employ a butt-lead mounting scheme. They also feature a unique ground shield that insulates and shields each lead to ensure excellent contact-to-contact and pole-to-pole isolation. This ground shield also provides a ground interface that results in overall improved high-frequency performance as well as parametric repeatability - specifically the RF insertion loss, which is 0.1dB.

The GRF300 and the sensitive GRF303 are engineered for use in RF attenuators, RF switch matrices, ATE and other applications that require dependable high-frequency signal fidelity and performance. Each model is available in two coil voltages - 5 and 12 volts DC.

The relays are hermetically sealed to offer robust shock, vibration, temperature and ESD resistance, EMI shielding and immunity to cleaning solutions.

The GRF300 measures .375 inches (9.52 mm) in diameter and .315 inches (8 mm) tall and weighs 0.09 oz. (2.55g). The GRF303 measures .375 inches (9.52 mm) in diameter and .425 inches (10.8 mm) tall and weighs 0.16 oz. (4.5g).

The GRF300/GRF303 is priced at $30.89 each in quantities of 500 units. Lead time for delivery is 8 to 10 weeks.

For more information, call (800) 284-7007, visit or send e-mail to

For the latest news releases, visit For the latest data sheets, visit

Teledyne Relays, a Unit of Teledyne Electronics and Communications, has been the world's innovative leader in manufacturing ultraminiature, hermetically sealed, electromechanical and solid-state switching products for more than 40 years. The company's comprehensive product line meets a wide range of requirements for industrial, commercial, RF & microwave, communications, test & measurement, medical, military and aerospace applications.

Technical Contact: Ruben Granados
Phone: (323) 241-1264
Fax: (323) 241-1287

Editorial Contact: Steve Kelley, Kay Lau & Associates
Phone: (310) 278-2200
Fax: (310) 278-1889
E-mail: or

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