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Broadband products designed for CATV apps

Posted: 15 May 2009 ?? ?Print Version ?Bookmark and Share

Keywords:broadband? CATV applications? amplifier module receiver?

RF Micro Devices Inc. has unveiled two new products to its portfolio of broadband transmission products. The two newly released products are RFMD's D10040300GTH hybrid power doubler amplifier module and OS10040320PW optical receiver module. Both are designed for current- and next-generation CATV infrastructure applications.

The D10040300GTH hybrid power doubler amplifier module is specifically designed for CATV infrastructure applications including line amplification and hybrid fiber coaxial (HFC) optical nodes. The D10040300GTH operates from 40MHz to 1GHz while typically maintaining 30dB or better of gain across the entire frequency range, an industry first among available power doublers, according to the company press release. The D10040300GTH helps cable operators to upgrade existing distribution networks to 1GHz and enables bandwidth-intensive services such as high-speed data, voice and HDTV. Operators can also exploit the linearity of the device to reduce the number of amplifiers in the network.

The OS10040320PW is a 1GHz hybrid high dynamic range optical receiver module designed for use in HFC optical nodes and deep fiber network installations. The OS10040320PW contains a single-mode optical input suitable for wavelengths from 1,290nm to 1,600nm, a terminal for monitoring the PIN diode current and an electrical output with an impedance of 75.

The company claims that OS10040320PW's equivalent input noise current (EINC) performance is among the industry's lowest at 5pA per root Hertz, typical performance, helping cable operators to implement "fiber deep" solutions as they upgrade to 1GHz networks. Specifically, by enabling the optical node portion of HFC networks to be placed deeper into CATV networks, the OS10040320PW minimizes requirements for more costly Erbium-doped fiber amplifiers.

Technical features of the D10040300GTH include:

? Industry-standard SOT115J package;
? 30.5dB minimum gain at 1GHz;
? Extremely low distortion with typical CTB of -65dBc and CSO of -65dBc (79 channels, 52dBmV at 550MHz, 7dB tilt);
? Return loss performance;
? 440mA maximum current consumption at 24Vdc;

Technical features of the OS10040320PW include:

? Industry-standard SOT115J package;
? Superior return loss performance of 17dB, typical;
? Flatness of 0.7dB, typical;
? Low distortion;
? 260mA maximum current consumption at 24Vdc;
? Low EINC, typically 5pA per root Hertz.

Samples and pre-production quantities of the D10040300GTH and OS10040320PW are available immediately. RFMD expects initial shipments of the D10040300GTH and OS10040320PW to start in the September 2009.

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