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Low-loss RF variable attenuators boast high linearity for wideband communications

Low-loss RF variable attenuators boast high linearity for wideband communications

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By eeNews Europe



Pin compatible with competitor devices, these products are designed to meet the stringent demands of wireless infrastructure, point-to-point microwave, satellite communications systems and general purpose communication infrastructure applications.

The 6-bit F1912 and 7-bit F1956 DSAs feature the company’s breakthrough Glitch-Free technology, which eliminates attenuation setting overshoot (glitches) from the transmit and/or receive paths by reducing transient “glitches” during most significant bit (MSB) transitions by up to 95 percent. Glitch-Free response enables customers to simplify their software interface, improve reliability, prevent damage to expensive sub-assemblies such as power amplifiers, and limit over-ranging of data converter inputs.

The F2250 is the first in a new family of VVAs and features a frequency range of 50 to 6000MHz, an insertion loss of 1.4 dB at 2 GHz, high IP3I linearity of 65 dBm and wide temperature range of -40 to 105 °C. The Vmode feature allows customers to select either positive or negative attenuation control with a highly linear-in-dB attenuation characteristic.

According to Chris Stephens, general manager of IDT’s RF division, “These new drop-in compatible attenuators allow development engineers to exceed evolving system requirements with maximum re-use of existing printed circuit boards.”


Click image to enlarge.

www.IDT.com

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