Tektronix H600 RF Hawk

Joel Koltner · 2008-06-16T22:06:21+00:00

Anyone looked at this thing? --> Essentially Tek has taken their RTSA line of spectrum analyzers and squished it down to a much more portable format and added software specifically aimed at identifying and mapping signals. Looks pretty slick, although I'm not certain what I'd personally *need* one for. :-) The main limitation appears to be the fact that -- like all the RTSAs -- it's essentially a mixer followed by a high-speed ADC, so the maximum span it can look at continously is 3MHz.Hmm... anyone want to take a shot at how fast/how many bits worth of ADC they might be using? From the data sheet you get a maximum input level of +20dBm and an average noise level of ~ -150dBm, but I don't really believe from looking at all the other specs that they really have 170dBm of dynamic range there (that's... what... almost 30 bits... no way!).Hey Joerg... would you rather have one of these or a traditional swept spectrum analyzer in the same-sized package? (Assume that money is no object...)---Joel

Jun 16, 2008 23 Replies

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Joerg 18 years ago

There is also TI, NEC. Japan Radio Corporation has the NJW1508 for under a buck if you can adapt a TV type PLL chip. Since even DTV sets still need tuners they probably won't go away next year.

A lot are geared towards very specific markets, like SiLabs with their cell band PLLs. So you'd have to look at them on a case by case basis, see which one can be used in unorthodox fashion. If noise is the number one issue PLLs are done largely discrete, ECL chips, opamps and so on.

BTW, does that little switcher still dance the jitterbug?

Regards, Joerg http://www.analogconsultants.com/ "gmail" domain blocked because of excessive spam. Use another domain or send PM.

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Joel Koltner 18 years ago

Thanks Joerg. I had forgotten about SI Labs -- I haven't used them personally, but at work they have and were pleased.

Um, err, yes, yes it does. But the DSP guy is happy with the sample clock jitter he's getting, so priority-wise spending time working on fixing it isn't happening right now (...we're supposed to ship a bunch of stuff come the end of the month!). I did go back and compare the old vs. new versions again and my initial reaction of "it hasn't improved much" was a little pessimistic -- there actually was more improvement than I first saw, but of course it still has noticeable jitter.

--Joel

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Jim Yanik 18 years ago

"Joel Koltner" wrote in news:AnU5k.226911$ snipped-for-privacy@en-nntp-05.dc.easynews.com:

Sadly,no. Right now I'm unemployed.

Jim Yanik jyanik at kua.net

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Spehro Pefhany 18 years ago

Where are you? I've heard there's a lot of demand for techs in a couple of aircraft companies. Connecticut is one (Sikorsky). Best regards, Spehro Pefhany

"it\'s the network..." "The Journey is the reward" speff@interlog.com Info for manufacturers: http://www.trexon.com Embedded software/hardware/analog Info for designers: http://www.speff.com

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