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7250: Difference between revisions
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2kV spikes without damage. | 2kV spikes without damage. | ||
The input is through a 50-ohm N connector on the rear panel, which loops through, | The input is through a 50-ohm N connector on the rear panel, which loops through, | ||
rather than being terminated internally. | rather than being terminated internally. The captured waveform can be transferred | ||
to a computer via IEEE-488 or can be viewed on the built-in monitor, which is a | |||
conventional computer-style CRT display and has menus. | |||
At 132 pounds, it is the heaviest one-piece oscilloscope ever sold by Tektronix. | At 132 pounds, it is the heaviest one-piece oscilloscope ever sold by Tektronix. | ||
It was made by Intertechnique in France where it was sold as the IN7000, and | It was made by Intertechnique in France where it was sold as the IN7000, and | ||
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Frequency response of a 7250 has been measured as -3db@7GHz, -6dB@9.6GHz, and -8.5dB@14GHz. | Frequency response of a 7250 has been measured as -3db@7GHz, -6dB@9.6GHz, and -8.5dB@14GHz. | ||
(Haas, Warman, van Ewijk, Rev. Sci. Instrum. 60 (3), March 1989) | (Haas, Warman, van Ewijk, Rev. Sci. Instrum. 60 (3), March 1989) | ||
The 7250 has two 3.6V 1/2AA lithium batteries on each memory board. With time, these | |||
batteries die, which will cause the 7250 to fail its power-on self test. New replacements | |||
are still (2010) widely available. | |||
* http://w140.com/tektronix_7250.pdf | * http://w140.com/tektronix_7250.pdf | ||