661: Difference between revisions

125 bytes added ,  6 June 2023
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<gallery>
<gallery>
Tek 661 s-52 rise.jpg|661 with [[4S1]] and [[5T3]] fed by [[S-52]]. 2 ns/div with 10x horizontal expansion gives 200 ps/div.
661 5T1A 4S1 front.JPG  | front view
661 5T1A 4S1 front.JPG  | front view
661_front.jpg | front view
661_front.jpg | front view