Tektronix TDS 520A - Page 116

Performance Tests
TDS 520A, 524A, 540A, & 544A Service Manual
4Ć37
H +**!0 0$! +1,(!. 0+ +0$ CH 1 * CH 2
 Confirm CH 1 through CH 4 (CH 2 for 520A and 524A) are within limits for
channel delay:
 Set up the generator: !0 0$! #!*!.0+. ".!-1!*5 0+  6 *
0$! ),(%01 ! "+. +10 "%2! %2%/%+*/ %*  
%*0 / 5+1 .!  &1/0%*# 0$! #!*!.0+. ),(%01 ! ,1/$ SET LEVEL
TO 50% ".!-1!*0(5 0+ /,!! 1, 0$! 1, 0%*# +" 0$! 32!"+.) ),(%7
01 ! +* /.!!*
  *  +*(5 .!//  0$!* /'%, 0+ /1/0!, ! *
+*0%*1! 0$%/ $!' " 0!/0%*#    +.  )+ !( +*0%*1!
3%0$ 0$! *!40 /1/0!, 
 Save a CH 2 waveform: .!// CH 2 0$!* ,.!// /2!.!(( WAVEĆ
FORM +3 ,.!// 0$! )%*7)!*1 100+* Save Wfm Ch2 0$!*
,.!// 0$! /% !7)!*1 100+* To Ref 2
 Save CH 3 waveform: +2! 0$! +1,(!. ".+) CH 2 0+ CH 3 /+ 0$0
CH 1 * CH 3 .! .%2!* .!// CH 3 0$!* ,.!// 0$! /% !7)!*1
100+* To Ref 3
 Display all test signals:
H .!// WAVEFORM OFF 03%! 0+ .!)+2!  *  ".+) 0$!
%/,(5
H +2! 0$! +1,(!. ".+) CH 3 0+ CH 4 /+ 0$0  *  .!
.%2!* .!// CH 4
H +3 ,.!// 0$! ".+*07,*!( 100+* MORE .!// 0$! )%*7)!*1
100+*/ Ref 2 * Ref 3
! Measure the test signal:
H +0! 0$! ,+%*0 +* 0$! .%/%*# ! #! +" 0$! (!"07)+/0 32!"+.)
3$!.! %0 .+//!/ 0$! !*0!. $+.%6+*0( #.0%1(! (%*! $%/ %/ 0$!
time reference point "+. 0$%/ 32!"+.) +0! 0$! +..!/,+* %*#
time reference point "+. .%#$07)+/0 32!"+.) !! %#1.! 7
H .!// CURSOR 0$!* ,.!// 0$! /% !7)!*1 100+* V Bars
H .!// CLEAR MENU
H +00! 0$! !*!.( 1.,+/! '*+ 0+ (%#* +*! 1./+. 0+ 0$! time
reference point +" 0$! (!"07)+/0 32!"+.) ! #! * 0$! +0$!.
1./+. 0+ 0$! time reference point +" 0$! .%#$07)+/0 32!"+.)
! #! .!// SELECT 0+ /3%0$ !03!!* 0$! 03+ 1./+./ !!
%#1.! 7