Tag Archive for 'engineering'

04
May

NAB 2008 In Review.

This year’s NAB had a bit more energy among television broadcasters than the NAB show last year and almost all of it was around the mobile DTV plans and testing currently going on. Despite the interest in mobile DTV and the NAB claiming ~105,000 registered attendees, the North and Central halls were only mildly busy. Attendance, as judged by “elbow room” has significantly waned year after year and it is easier to navigate the halls and major vendor booths. Broadcasting & Cable agrees with me on this.


Looking at an entrance to the Central Hall above the NAB store.

The South upper and lower halls of the Las Vegas Convention Center, by way of contrast, were significantly more energetic, crowded and younger! Since the South halls were occupied by film production/support companies and smaller “new media” (read: Internet related or centric) businesses this comes as little surprise to me. Two notable companies that abstained from attending NAB this year were Avid and Apple. Apple really didn’t have a need to attend this trade show, but Avid’s considerable customer base for their product, outside of film, is the broadcast community and their absence does not portent good business sense or, more importantly, sales for the future and their stock price seems to reflect that.

The Adobe Booth

During the show I did notice more DTV transmitters on the floor than last year. Continue reading ‘NAB 2008 In Review.’

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08
Jan

TV Engineering. This ain’t your dad’s Heathkit transmitter, baby!

For those of you that recognize the ‘Heathkit’ reference you get a cookie. Well done.

Unlike the Heathkits of yore I”m using some nice, mostly modern test gear here and servicing a fairly modern transmitter (circa 1998). This is one of those occasions where broadcast engineers get to leave the desk, the whiny news department and office politics to really hone their skills doing manly, gritty, thought-provoking, analytical, rocket scientist-like work that will separate them from the other mindless office drones they will have to return to later.

The back story; one of the stations I oversee here in the San Francisco market had an apparent failure of one of the IOTs (Inductive Output Tube) which, for those not familiar with TV RF work, is used as the final, high-power amplification device to bring a TV signal to a significant strength in order to survive being shot out of an antenna on the tower and over the air to lots of little rabbit ears across the horizon. Continue reading ‘TV Engineering. This ain’t your dad’s Heathkit transmitter, baby!’

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