11 June 2012

TriQuint launches CATV/FTTH RF amplifiers to reduce consumption of materials and power

In conjunction with exhibiting in stand Q35, hall 10.1 at the ANGA Cable Show trade fair for cable, broadband and satellite in Cologne, Germany (12-14 June), RF front-end component maker and foundry services provider TriQuint Semiconductor Inc of Hillsboro, OR, USA has announced the availability of two new TriAccess amplifiers, designed to replace multiple products in CATV systems.

TriQuint says that the new devices are economical and fabricated with gallium arsenide (GaAs) technology, offering greater functional integration (in a 6mm x 6mm leadless SMT package) and higher efficiency.

The new 45-1003MHz TAT6281 variable gain receiver for single family units (SFUs) employs proven PIN diode variable gain attenuation to provide a consistent, low-distortion method of adjusting gain, says TriQuint. Gain is 18dB typical and 37dB maximum. The integrated module delivers reliable, low-noise RF performance while simplifying FTTH amplifier designs and reducing bills of materials (BOMs), the firm adds. The TAT6281 builds on the TAT6254 product line, millions of which have been deployed in CATV/FTTH networks worldwide. Samples will be available on 27 July.

The new 45-1003MHz TAT2814A variable gain amplifier satisfies the DOCSIS 3.0 specification with more than 4dB (typical) margin. Typical maximum gain is 30dB. By integrating two stages of amplification and a 20dB PIN diode variable gain attenuator, it can simplify CATV RF design by reducing the number of discrete RF components, whereas other solutions require up to five times the PCB space to deliver DOCSIS 3.0 performance while consuming up to twice the electrical power, claims the firm. With low-reflection differential input/output stages, nominal power consumption is less than 5W between the 5V input amplifier supply and the 8V output amplifier supply. The new device suits DOCSIS 3.0 output-stage amplifier designs including Edge QAM and CMTS (cable modem termination system) applications. It is also suited to Ethernet over Coax (EOC) supporting DOCSIS 3.0 PA levels. Samples are available now.

Tags: TriQuint CATV/FTTH RF amplifiers GaAs

Visit: www.triquint.com


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