Bandwidth Limit Filters: Difference between revisions
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The [[7A11]] contains a selectable 20 MHz BWL filter. | The [[7A11]] contains a selectable 20 MHz BWL filter. | ||
It is a pi-type LC filter. | It is a third-order pi-type LC filter. | ||
[[Category:Circuits and Concepts]] | [[Category:Circuits and Concepts]] | ||
Revision as of 16:35, 5 January 2023
Many Tektronix amplifier plug-ins contain a selectable low-pass filter usually called the "BWL Filter" or "Bandwidth Limit Filter". Selecting the BWL filter is useful when using a high-bandwidth amplifier to observe low-frequency signals. The BWL filter reduces the noise in the displayed signal. It also reduces the tendency for high frequency noise in the signal to cause false triggering of the sweep.
The 7A11 contains a selectable 20 MHz BWL filter. It is a third-order pi-type LC filter.