IDT Introduces New Voltage Variable Attenuators Delivering up to 1,000X Improvement in Linearity Over GaAs Products
August 11 2015 - 6:30AM
Business Wire
The New RF Voltage Variable Attenuators Extend
IDT’s Frequency Range Coverage with Low-Insertion Loss, High
Linearity Devices Supporting 1 MHz to 6 GHz
Integrated Device Technology, Inc. (IDT®) (NASDAQ: IDTI) today
introduced two new members to its growing family of RF voltage
variable attenuators (VVA), expanding IDT’s frequency coverage to a
range of 1 MHz to 6 GHz. Like the other members of the family, the
F2255 and F2258 devices offer industry-leading low insertion loss
and high linearity.
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IDT’s VVAs deliver analog control for applications that require
precise attenuation. Both new devices come in a compact 3
millimeter by 3 millimeter, 16-pin TQFN package. They offer about
half the insertion loss of competitive solutions, IP3 performance
1000x (30 dB) better than the competing Gallium arsenide (GaAs)
device, and they exhibit a linear-in-dB attenuation characteristic
across the voltage control range. Their low insertion loss reduces
RF chain path loss, while their high linearity improves system data
rates.
These newest devices match popular footprints and are ideal for
base stations (2G, 3G and 4G), microwave infrastructure, public
safety, portable wireless communication/data equipment, test/ATE
equipment, military systems, JTRS radios, and HF, VHF and UHF
radios.
“IDT’s silicon-based RF products deliver exceptional performance
compared to GaAs solutions, in this case up to a 30dB linearity
improvement,” said Chris Stephens, general manager of IDT’s RF
division. “These devices are the lowest insertion loss VVAs on the
market, and have the most linear attenuation control
characteristic.”
By using silicon-based RF semiconductor technology, IDT’s
attenuators offer a robust alternative to older GaAs-based
semiconductor technology. Silicon technology offers the advantages
of improved RF performance as well as more robust electrostatic
discharge (ESD) protections, better moisture sensitivity levels
(MSL), improved thermal performance, lower current consumption, and
the proven reliability of silicon technology.
Comparing the F2258 to its pin-compatible GaAs competitor, the
device has an Input IP3 of up to 65dBm vs 35dBm, a maximum
attenuation slope of 33dB/Volt vs. 53dB/Volt; minimum return loss
up to 6000MHz, 12.5dB vs. 7dB; and operating maximum temperature
range of 105C Vs 85C. The F2255 device supports a frequency range
down to 1MHz and has a maximum attenuation slope of 33dB/Volt. Both
devices have bi-directional RF ports, support a single positive
supply voltage of either 3V or 5V and have an operating temperature
range of -40 to 105C.
About IDT RF Products
IDT offers high-performance and full-featured radio frequency
(RF) mixer and gain control products that deliver exceptional
performance in compact packages. The RF signal path products
include low-power, low-distortion RF to intermediate frequency (IF)
mixers, low-noise high-performance intermediate frequency (IF)
variable gain amplifiers (VGA), low-noise high-performance digital
step attenuators (DSA), and high-performance low-insertion loss RF
switches. These devices are ideal for products such as cellular 4G
base stations, broadband repeaters, distributed antenna systems and
microwave backhaul equipment.
About IDT
Integrated Device Technology, Inc. develops system-level
solutions that optimize its customers’ applications. IDT uses its
market leadership in timing, serial switching and interfaces, and
adds analog and system expertise to provide complete
application-optimized, mixed-signal solutions for the
communications, computing and consumer segments. Headquartered
in San Jose, Calif., IDT has design, manufacturing, sales
facilities and distribution partners throughout the world. IDT
stock is traded on the NASDAQ Global Select Stock Market® under the
symbol “IDTI.” Additional information about IDT is accessible
at www.IDT.com. Follow IDT
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IDT and the IDT logo are trademarks or registered trademarks
of Integrated Device Technology, Inc. All other brands,
product names and marks are or may be trademarks or registered
trademarks used to identify products or services of their
respective owners.
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IDTDean Solov, 408-284-2608Public Relations
Managerdean.solov@idt.com
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