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2212: Difference between revisions
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The Tektronix 2212 is a portable mixed analog/digital storage oscilloscope with on-screen | The Tektronix 2212 is a portable mixed analog/digital storage oscilloscope with on-screen | ||
cursors. It has a switch which | cursors. It has a switch which | ||
selects between the | selects between the two modes. In analog mode, the vertical signal path is all analog, from | ||
the BNC input connector to the electrostatic deflection plates of the CRT. | |||
Other signals such as the trigger level are controlled by the internal computer in both modes. | Other signals such as the trigger level are controlled by the internal computer in both modes. | ||
In digital mode, the input signal is digitized and can be stored or printed or compared with | In digital mode, the input signal is digitized and can be stored or printed or compared with | ||
live waveforms. | live waveforms. The 2212 is a dual-trace scope and is rated as having an analog bandwidth | ||
of 60MHz. The bandwidth in digital mode is considerably lower. There is a DB-25 connector | |||
on the rear panel for connecting a parallel-port printer. It prints correctly to an | |||
Epson-compatible printer and allows some customization of what is on the screen. The 2212 | |||
has a "roll" mode when in digital mode at slow sample rates. | |||