NAB SHOW 2017 PRODUCTS PREVIEW

On The NAB Exhibit Floor: Comark

Hitachi Kokusai Electric Comark | Booth C4309 | Website: www.comarktv.com 

Hitachi Kokusai Electric Comark will show its Parallax for VHF band 3. Parallax is a transmitter that is ready for the upcoming broadcast spectrum repack and ATSC 3.0.

Parallax has the flexibility to ensure top-notch performance for large and small stations. It is the industry’s next generation medium and high power, liquid cooled, solid state transmitter available in UHF and now VHF band 3. The VHF Band 3 version of Parallax shares all the mechanical architecture, user interface, and performance with the award-winning UHF version of Parallax. 

With up to 16 VHF Power Amplifiers (PA’s) stacked in a single rack cabinet, it delivers an industry best of up to 23kW. Power levels can be scaled higher with multiple cabinets or scaled back to as few as 3 x 1.6kW amplifiers for 4.3kW output power.  The VHF PA’s utilize Doherty LDMOS technology that delivers up to 50% efficiency.  These devices not only provide high efficient operation, but also have the benefit of providing the equivalent output power in ATSC 1.0 (8VSB) and ATSC 3.0 (OFDM). 

According to Richard E. Fiore Jr., Hitachi Kokusai Electric Comark president-CEO, “It was a natural progression for us to expand the Parallax family from UHF to VHF.  We anticipate a large market demand for VHF band 3 transmitters thanks to the conclusion of the FCC’s Incentive Spectrum Auction and subsequent repack.  We have embedded the latest technology and features into the Parallax to meet market demands.  The vertical PA configuration in Parallax is easier to handle and the transmitter delivers the highest RF output power capability and power density of any transmitter on the market.” 

Parallax features liquid cooling, an optimized RF design, and can be controlled and monitored via an optional Wi-Fi connection using a smart phone or digital tablet. Parallax also features a built-in control soft-fail in case of emergency operation, keeping the unit on air at all times. The control system also enables Comark’s customer service group to remotely diagnose during transmitter operation and perform remote software updates.

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