Tektronix 7a21n sm free download

File name 7a21n_sm.pdf

T EKT R O N IX 721 DI R ECT ACC E SS UN IT (SN B040000-up) I N ST RU CTIO N M A NU A L Tektronix, Inc. .. Box 500 Beave r to n , Oregon 97077 Se r ial Nu mbe r 070-1962-00 Fi rst Pri n ti ng A PR 1975 WA RR A NTY All T EK T R O N IX inst ruments are warranted against defective mate r ials a nd wor k ma n s h i p for o n e year . Any q uestio n s wit h respect to t h e wa rr a n ty s h o u ld be ta k en up with yourT EK T R O N IX F ield E nginee r o r re prese n tative . All req uests fo r re p ai r s a nd re p laceme n t pa rts s h o u l d b e d irecte d to t h e T EK T R O N IX F ield Office o r represe n tative in yo ur area . T h is will ass u re you t he fastest p ossible service . P lease i n clu d e t h e i n strument Ty p e N um b er or Part N umbe r and Se r ial Number wit h all requests for parts or service . S p ecifications and price c h a n ge privileges reserve d . Copyrig h t ~, 1975 b y Te k tronix, Inc ., B eaverto n , O rego n . Pr inted in th e Un ited States of America . All rig h ts reserve d . Conte n ts of t h is p u b licatio n may not - be rep roduce d i n any form wit h out pe r miss i on of Tek tronix, Inc . U.S .A . and fo reig n T EK T RO N IX products cove r ed by U .S . a n d fo r eig n p ate n ts and/or patents pend ing . T EK T R O N IX is registered t ra d emar k of Te k t r o n ix, 721 (040000- ) TA BLE O F CO NT EN TS Page Specifications 1 Circuit Description 1 Maintenance 2 Calibration 3 Performance Check 3 Test Equipment 4 Installation Information 6 Installation 6 Removal 7 General Operating Instructions 8 E lectrical Parts L ist 9 Diagram and Circuit B oard Illustrations 7844 Installation P rocedure R7844 Installation P rocedure R7903 Installation Procedure 7904 Installation Procedure R7912 Installation Procedure Mechanical Parts List F ig. 1 E xploded F ig. 2 Accessories and Repackaging .:DE : ..C F.7E RMI N F R v R ! L tG r, : C _$ S, 7 21 F eatures T he 721 Di rect Access p lug-i n is desig ned for use with Te ktron ix 7800 and 7900-Series oscilloscopes. Th is unit provides AC coup ling of high-fre que ncy or fast-risetime signals d irectly to the crt vert