System.NullReferenceException: Object reference not set to an instance of an object. at DotNetNuke.Framework.DefaultPage.OnLoad(EventArgs e) in e:\websites\\public_html\Default.aspx.cs:line 791 Jampro develops cost-effective transmission products | TvTechnology

Jampro develops cost-effective transmission products

May 18, 2009

Jampro Antenna and RF Systems is now offering several new cost-effective transmission solutions for the broadcast industry.

The UHF RWED-516-U TV mask/filter combiner includes four-port directionality in a compact frame that can be used as either a mask filter or constant impedance-combining module for high-power UHF TV broadcasts. The unit features a cross-coupled design to accommodate adjacent channels, meets stringent filtering standards, and provides constant impedance performance for adjacent and channel separations greater than 15.

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The RWED-516-U also provides the high isolation of traditional constant impedance technology and achieves elliptical response without external coupling mechanisms. Large cavities handle high power with low insertion loss; its filters are temperature compensated for closely spaced applications. The RWED-516-U is also expandable to accommodate future channels, unrestricted by the bandwidth limitations of standard hybrid technology designs.

A recent addition to Jampro’s Prostar line is the new JA/MS-BB Broadband UHF Slot antenna. This is an economical alternative to buying, installing and maintaining multiple antennas. Instead, it provides a single, compact solution that conserves tower space and minimizes wind loading. Especially designed for multichannel/combined channel operations in analog-analog, analog-digital or digital-digital TV applications, the JA/MS-BB comes factory-tuned with a ready-to-install streamlined design.

Broadcasters can choose from a wide selection of standard and custom transmission patterns. It can be configured for horizontal, circular or elliptical polarization, beam tilt and null fill are available; the JA/MS-BB handles power ranging from 2kW to 10 kW. Input impedance is 50 ohm and VSWR of 1.1:1 or better can be achieved over sub-bands ranging from 470MHz-530MHz to 835MHz-890MHz. The JA/MS-BB offers a compact new high performance and ruggedly built “single solution” for analog or DTV broadcast applications.

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