Hello Fellow time nuts, I thought this might be of interest to some of you, if not please accept my apologies: I have a Wavecrest high-end SRT-3000 Jitter/Phase-Noise/PLL/BERT analyzers for sale that I got from Credence as surplus, and I am listing it on Ebay tomorrow morning. The SRT-3000 is the same as their SIA3000 which costs about $90.000 today, but using an external LCD instead of internal LCD. I configured the unit to work with an external monitor, mouse, and keyboard right out of the box. It also includes a NI-488.2 GPIB controller and NI-488.2 software. The unit was totally unused, original packing. I will keep one, and sell the others. These units are fantastic, they have 200 Femtoseconds internal hardware resolution. Great for measuring Oscillator jitter from 0.4Hz up to 1700MHz. This particular unit has about 2.4ps noise floor, that's 2.4E-012 right out of the box! They include timing measurements such as PLL, Datacom, jitter, Phase Noise, BERT Bathtub curves, and an internal 1700MHz Oscilloscope feature. There is an external 100MHz ultra-low-noise time-base output connector in the back of the unit as well. While the unit can do phase-noise FFT, it's really a (time-domain) time-intervall jitter measurement unit. This is what makes it different from a real-time sampling scope or spectrum/phase-noise analyzer: you can measure time intervall jitter on signals from 0.4Hz to 1700MHz with 200 femtosecond resolution. The Jitter histogram feature is great to see if your ultra-stable Oscillator has any deterministic, or just random noise on it, and just how much that random/DJ noise is. The unit measures and displays TJ, RJ, and DJ in real time using their patented "Tail Fit" algorithm. The unit has Visi version 7 software installed and works perfectly. Search Ebay tomorrow for "SRT-3000" and you can find it. It was over $100.000 in 2003 and the reserve is only $499. That's less than just what the internal National Instruments PCI-GPIB card is worth I think. bye, Said
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