User manual

Block Diagram Descriptions
Theory of Operation
3Ć22
Waveform Display RAM
()1 ,%,.07 #)0#3)207 #.-1)121 .&  "72%1 (%1% "72%1 #.-2!)- 2(%
,)-),3,,!6),3, /!)01 .& 4!+3%1 !+.-' 5)2( #.+.0 )-$%6 !-$ .4%00!-'%
3-$%00!-'% )-&.0,!2).-
Video DigitalĆtoĆAnalog Converter (DAC)
()1 #)0#3)2 #.-4%021 2(% $)')2!+ $!2! &0., 2(% )1/+!7  )-2. !-!+.' $!2! &.0
2(%   .#*%2 ".!0$
(%  6%#32)4% 0.#%11.0 ".!0$ #.-1)121 .& 2(%
H 6%#32)4% /0.#%11.0  
H 3,%0)# #./0.#%11.0 #)0#3)207
H 31 "3&&%0 #)0#3)207
H 0%1%2 #)0#3)207
H !)2 12!2% #)0#3)207
H -2%003/2 #.-20.++%01
H  .-20.++%0
%% )'30% 9 &.0 ! "+.#* $)!'0!, .& 2()1 ".!0$
Executive Processor (EXP)
()1 ,)#0./0.#%11.0 %6%#32%1 &)0,5!0% 0.32)-%1 12.0%$ )-  2(!2 !0%
+.#!2%$ .- 2(%  %,.07 ".!0$ 2. #.-20.+ 2(% ./%0!2).- .& 2(%  
+.-' 5)2( 2(% -3,%0)# #./0.#%11.0 2(%   $.%1 !++ $!2! /0.#%11)-' -.2
$)0%#2+7 0%+!2%$ 2. '%-%0!2)-' 2(% $)1/+!7 .0 $)')2)8)-' 2(% 5!4%&.0, (%-
/.5%0 )1 &)012 !//+)%$ 2. 2(%   2(%   %6%#32%1 +.#!+ !-$ 1712%,
$)!'-.12)# 2%121 5()#( !0% +.#!2%$ )- 2(% 1 .- 2(%  %,.07
".!0$
(%   /%0&.0,1 2(% &.++.5)-' &3-#2).-1 5)2( 2(0%% ,!)- #)0#3)21
H 2(% #+.#* '%-%0!2.0 '%-%0!2%1 2(% 2),)-' 1)'-!+1 !-$ 17-#(0.-)8%$ 0%1%2
1)'-!+1 &.0 2(% ,)#0./0.#%11.0
H 2(% ,)#0./0.#%11.0 0%!$1 !-$ 50)2%1 $!2! '%-%0!2%1 !$$0%11%1 &.0 
!-$ ,%,.07 $%4)#%1 !-$ '%-%0!2%1 12!231 1)'-!+1 &.0 2(% "31 #.-20.++%0
H 2(% "31 #.-20.++%0 )-2%0/0%21 2(% ,)#0./0.#%11.01 12!231 1)'-!+1 !-$
'%-%0!2%1 2(% -%#%11!07 "31 #.-20.+ 1)'-!+1 &.0 2(% 6%#32)4% "31
$$0%11 $%#.$%01 !$$0%11 +!2#(%1 !-$ $!2! "3&&%01 !0% !++ 13//.02 #)0#3)21
&.0  ./%0!2).-1
A17 Executive
Processor Board