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The Tektronix Type 3B3 is sweep unit introduced in 1963, intended for use with the 561A. | The Tektronix Type 3B3 is sweep unit [[introduced in 1963]], intended for use with the 561A. | ||
It works fine in other 560-series scopes. | It works fine in other 560-series scopes. | ||
It provides a calibrated delay from 500 nsec to 10 seconds after the trigger event, before | It provides a calibrated delay from 500 nsec to 10 seconds after the trigger event, before |