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The '''Tektronix 821''' is a 4-bit word recognizer accessory for triggering a scope on a combination of digital signals. It can be powered from the scope's probe power socket. Up to four 821s can be cascaded for up to 16 input bits.

[[File:Tek821.jpg|350px|thumb|right]]

The '''Tektronix 821''' is a 4-bit word recognizer accessory for triggering a scope on a combination of digital signals.

The 821 can be powered from the scope's probe power socket. Up to four 821s can be cascaded for up to 16 input bits.

==Links==

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-The '''Tektronix 821''' is a 4-bit word recognizer accessory for triggering a scope on a combination of digital signals.  It can be powered from the scope's probe power socket.  Up to four 821s can be cascaded for up to 16 input bits.
+[[File:Tek821.jpg|350px|thumb|right]]
+The '''Tektronix 821''' is a 4-bit word recognizer accessory for triggering a scope on a combination of digital signals.
+The 821 can be powered from the scope's probe power socket.  Up to four 821s can be cascaded for up to 16 input bits.
 ==Links==

821: Difference between revisions

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