Tektronix SD32 User Manual

User Manual
SD-32
Sampling Head
070–8268–02
This document applies for firmware version X.XX
and above.
Warning
The servicing instructions are for use by qualified
personnel only. To avoid personal injury, do not
perform any servicing unless you are qualified to
do so. Refer to the Safety Summary prior to performing service.
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WARRANTY
! " " " ! ! " " ! ! "
" ! ! " " ! " ! " " " " " " ! " "
! " THIS WARRANTY IS GIVEN BY TEKTRONIX WITH RESPECT TO THIS PRODUCT IN LIEU OF ANY OTHER
WARRANTIES, EXPRESSED OR IMPLIED. TEKTRONIX AND ITS VENDORS DISCLAIM ANY IMPLIED WARRANTIES OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. TEKTRONIX' RESPONSIBILITY TO REPAIR OR
REPLACE DEFECTIVE PRODUCTS IS THE SOLE AND EXCLUSIVE REMEDY PROVIDED TO THE CUSTOMER FOR
BREACH OF THIS WARRANTY. TEKTRONIX AND ITS VENDORS WILL NOT BE LIABLE FOR ANY INDIRECT, SPECIAL,
INCIDENTAL, OR CONSEQUENTIAL DAMAGES IRRESPECTIVE OF WHETHER TEKTRONIX OR THE VENDOR HAS
ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.
Table of Contents
SDĆ32 User Manual
List of Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
iii
List of Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
v
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3
Electrostatic Discharge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5
Connector Care . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7
Installing the Sampling Head . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9
Using the Sampling Head . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
11
Connecting Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Channel Button and Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Instrument/Sampling Head Interaction . . . . . . . . . . . . . . . . . . . . .
! Displaying a Trace . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
12
12
13
15
Adjusting Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
17
Stored Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Loop Gain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Offset Null . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
18
19
21
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
23
Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
25
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
27
i
ii
List of Figures
(&2/$ 4*-") ( &/ + -% 1'$ +.*(,& $ # (&2/$ 4 +.*(,& $ # -+. /1+$,10 (, , ,#
(&2/$ 4,01 **(,& +.*(,& $ # (, , ,01/2+$,1 (&2/$ 45 +.*(,& $ # /-,1 ,$* (&2/$ 4'$ +.*(,& $ # ,"0 -.5. $,2 (&2/$ 4'$ *(!/ 1-/ (&, * %1$/ /$00(,& (&2/$ 4(0.* 3$# / "$ 1 /(-20 --. (, $11(,&0 SDĆ32 User Manual
iii
iv
List of Tables
! ! SDĆ32 User Manual
v
vi
Introduction
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Figure 1:ăBlock Diagram of the Sampling Head
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01/," 1&*&+$
SDĆ32 User Manual
1
Introduction
2
SDĆ32 User Manual
Safety
Terms in Manuals
Terms on Equipment
Symbols in Manuals
"" !"$ $!
Symbols on Equipment
"
""$
# "
" "
#
Grounding the Instrument
SDĆ32 User Manual
3
Safety
Do Not Operate in Explosive Atmospheres
4
SDĆ32 User Manual
Electrostatic Discharge
CAUTION
SDĆ32 User Manual
5
Electrostatic Discharge
6
SDĆ32 User Manual
Connector Care
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)$' ) ( *( )$ )) (#! ! $' ) + *#' )() ( ( /%'($# $##)$' ,) +'. !$( "#! )$!'#( +'
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SDĆ32 User Manual
7
Connector Care
8
SDĆ32 User Manual
Installing the Sampling Head
' "! " " " " '
!" #" !# ! " ! " !!!
" ! #"! %& ! # !$!
" " ! " " !! " #"! %& " "! " !
""!
Sampling Head
Compartments
11801B
Sampling Head
Compartments
CSA 803A
Power Only Sampling
Head Compartments
Figure 2:ăSampling Head Compartments in an 11801B and a CSA 803A
SDĆ32 User Manual
9
Installing the Sampling Head
CAUTION
#! ! ! !"! #
! # $ ! !"!
$%
LockĆDown
Screw
Sampling
Head
Figure 3:ăInstalling a Sampling Head in an Instrument
10
SDĆ32 User Manual
Using the Sampling Head
&# $!($ % #! % " ! % * " %$ %$
!"! %$ ( & ! %!# )!( %!#
% &%%! CAUTION
" "&% !$ &$ % $" $ # '#) $&$"% %! *
#! !'##' $ $ %#!$%% $# '# "") '!%*
!&%$ % # ! " ) !"#% % $%#& % $" $%%*! %#! '#! % $ (#$% $%#" ( $" $ !# ! %! $
LockĆDown Screw
SELECT CHANNEL
Button
Channel Indicator
Light (Yellow)
Signal Connector
Figure 4:ăSDĆ32 Sampling Head Front Panel
SDĆ32 User Manual
11
Using the Sampling Head
Connecting Signals
*!%# &%%+&) #+* 0&, &%%+ *!%#* + + 0&, .%+ +& *$'# !*
!* ')!*!&% $$ &%%+&)
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'
Channel Button and
Light
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+ 0##&. #! + !* & + % + %%# !* %&+ (,!)!% +) + %
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')** + ,++&% + %%# (,!)* +) +
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!*'#0 +) &.-) + +) !* %&+ + *#+ +) % + #! + !* &% *+0 % 0&, ')** + ,++&% + +) &$* *#+ % + #! + #!%"*
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+ 0##&. #! + !* #!%"!% + %%# !* ')+ &) ## & + *#+
+) % + #! + !* #!%"!% % 0&, ')** + ,++&% +)*
!*'#0!% + + %%# ) )$&- %%# *+&'* (,!*!+!&%*
% + 0##&. #! + +,)%* &
&+ + + &) + 2 $'#!% + &*+ !%*+),$%+ &%#0 )&%!1*
+ ,'') %%# ## &% + !%*+),$%+ &) /$'# *!% + 2 !* &% %%# *$'#!% 12
SDĆ32 User Manual
Using the Sampling Head
Instrument/Sampling
Head Interaction
#! # !"$ "" #)#$ #$ $ #! %$ # " $" %$ $) " $ #$"%$ " #
%$ # % &"$ # "* $ #! "$ % $
"$) $" $# !"$"# %$ " $## $$ $ #$"%$ !"+
"# " $ #$"%$ " ) % # #$ # $ ($" $$%$ $ "%# $ # $ #
" $ # $*
Controlling Smoothing
" " $' ')# $ #$ # $ " $ " " $ ! " )
# " $"
$" # $ " $ #$"%$ " $ ! ## $
" % $ Sampling Head Fnc's ! !+%! %
%"Ă # '# $# $' %#
Figure 5:ăThe Sampling Head Fnc's PopĆUp Menu
SDĆ32 User Manual
13
Using the Sampling Head
&'( '!( ( ##! $& * ,$) *#( ($ '( '"$$( # Selected
Channel '( $# $ ( %$%-)% "#) '!(' ( ##! $) (
Smoothing '!($& ($ ()&# '"$$( # $# $& $
$ '( '"$$( # $# $& $ &$" &"$( #(& -
$& --
)' ( $!!$* # $""#
H
CH<alpha><ui> SMOOTHING: ON | OFF
*& <alpha> # (' ( )# ( !((& $& " #&" $& $& $& # -)!( -##! )# ( $& ( & ' <alpha> ' !*,' # <ui> # (' ( ##! #)"& $& ( ##! ,$) *#( ($ (
$& $"%!( #$&"( $# $)( $* ($ )' ( '"%! # ($ '%!,
(&' ' ( $& ,$)& #'(&)"#(
External Attenuation
$ '( +(&#! ##! ((#)( $# )' ( $!!$* # $""#
H
CH<alpha><ui> EXTAttenuation: <NRx>
*& <alpha> # (' ( )# ( !((& $& " #&" $& $& $& # -)!( -##! )# ( $& ( & ' <alpha> ' !*,' # <ui> # (' ( ##! #)"& $& ( ##! ,$) *#( ($ (
$& $"%!( #$&"( $# $)( $* ($ )' ( '"%! # ($ '%!,
(&' ' ( $& ,$)& #'(&)"#(
14
SDĆ32 User Manual
Using the Sampling Head
Displaying a Trace
%" #,)),4&+$ "5*-)" 0%,40 6,2 %,4 1, .2&/" +! !&0-)6 1/ " 4&1%
1%" 0*-)&+$ %"! +! 6,2/ &+01/2*"+1 ,/ 1%&0 -/, "!2/" 6,2 4&)) +""!
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ăStep 2:ă,++" 1 6,2/ 4/&01 01/- 1, 1%" +1&011&
,# 6,2/ &+01/2*"+1
,++" 1,/ ,+ 1%" #/,+1
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Internal
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"+1 !"-"+!&+$ ,+ 1%" 21,0"1 0"11&+$0 ,# 6,2/ &+01/2*"+1
SDĆ32 User Manual
15
Using the Sampling Head
Figure 6:ăThe Calibrator Signal after Pressing AUTOSET
16
SDĆ32 User Manual
Adjusting Parameters
% * * )* &(%(#$ (%# .%+( )#&"$ .%+ #. $ *%
+)* )#&"$ &(#*() ) &(#*() * %- * )#/
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_ NOTE
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)%+" +)* * )#&"$ &(#*() *( * $)*(+#$* ) $
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#$* %( $)*(+*%$) %( &(%(#$ *) +)*#$*)
SDĆ32 User Manual
17
Adjusting Parameters
Stored Parameters
" $ # "! $ ! "! ! " &
"! #$ " $! "
! $ ! "! $ $ $! ! &
$ ! # $! #& ! #" $! # "! ! ! $
#& #&
$! % $! ! ! ! $! ! ! ! "! $! ! "! ! $ ! "!
$ ! "! "! $
$! ! 18
SDĆ32 User Manual
Adjusting Parameters
Loop Gain
# " " $
# " ! " " # " # ! ! # ! " ! ! " " " ! " !
! ! " " ! !
" # Unity Loop Gain
Insufficient Loop Gain
Excessive Loop Gain
Figure 7:ăDisplayed Trace at Various Loop Gain Settings
SDĆ32 User Manual
19
Adjusting Parameters
Adjusting Loop Gain
)+ -" #(,-+.'(- 2). ( $.,- &))* !#( .-)'-#&&2 )+ '(.&&2 +)'
-" Enhanced Accuracy *)+-#)( ) -" '$)+ '(. (
+#, )+ -" '$)+ '(. 2). *+ + -) $.,- &))* !#( '(.&&2 -" #(,-+.'(- &,) *+)/#, #/#323-0) -.+ "#, -.+ #, "&* .& # 2). + .,#(! -" &#+-)+
,#!(& -) $.,- &))* !#( ). ( &,) ., -" #/#323-0) -.+ # 2).
+ .,#(! -" -+#!!+ ).-*.- ) -" #(,-+.'(- -) -+#!!+ ( 1-+(& !(+3
-)+
NOTE
). '#!"- )(,#+ $.,-#(! -" &))* !#( 0"(/+ 2). + ,'*&#(! '.&-#3/&. -+ ,." , ( 2 #!+' -"- ", ,.,-(-#&&2 # +(*%3-)3*% '*&#-. -"( *+/#).,&2 ',.+ ,#!(&,
)+ #(,-+.-#)(, )( ")0 -) $.,- -" &))* !#( , -" ("( .+2
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0+ #,.,, - -" !#((#(! ) -"#, ,-#)(
20
SDĆ32 User Manual
Adjusting Parameters
Offset Null
&# -$$0#1 ,2** "(201+#,1 /#+-3#0 2,4,1#" -$$0#1 1&1 +5 # ./#0#,1
', 1&# 0+.*',% &#" &'0 "(201+#,1 #$$#!1'3#*5 6#/-0 1&# 0+.*',% &#"
0- 1&1 , ',.21 0'%,* 4'1& -$ +.*'12"# "#*'3#/0 -21.21
$ -$$0#1 ,2** '0 ,-1 "(201#" !-//#!1*5 +#02/#+#,10 1)#, 1 1&# ',01/2+#,1
4'** # ',!-//#!1 &# 0-*21# 3-*1%# 3*2#0 $-/ ,5 !2/0-/0 "'0.*5#" ',
1&# 1/!# 4'** *0- # ',!-//#!1
&,%#0 ', *--. %', *0- $$#!1 0+.*',% &#" -$$0#1 0- -$$0#1 ,2** 0&-2*"
*450 # "(201#" $1#/ *--. %',
Adjusting Offset Null
-/ 5-2/ ',01/2+#,1 5-2 !, "(201 -$$0#1 ,2** 21-+1'!**5 -/ +,2**5
$/-+ 1&# Enhanced Accuracy .-/1'-, -$ 1&# +(-/ +#,2 ," #/'#0 -/ 1&# +(-/ +#,2 -1# 1&1 1&# 0+.*',% &#" 01-/#0 $-2/ -$$0#1 ,2** 3*2#0 1&# 14- $!1-/5
"#$2*1 3*2#0 $-/ 4&#, 0+--1&',% '0 -, ," 0+--1&',% '0 -$$ ," 1&# 1420#/ !-,01,10 $-/ 4&#, 0+--1&',% '0 -, ," 4&#, 0+--1&',% '0 -$$
$ 5-2 "(201 -$$0#1 ,2** 21-+1'!**5 20',% 1&# Enhanced Accuracy .-/1'-,
-$ 1&# +(-/ +#,2 ," #/'#0 -/ 1&#
+(-/ +#,2 1&#, 1&# ',01/2+#,1 "7
(2010 -1& -$$0#1 ,2** 3*2#0 0+--1&',% -, ," 0+--1&',% -$$
- "(201 -$$0#1 ,2** 21-+1'!**5 1#/+',1# 1&# !&,,#* !-,,#!1-/
4'1& W 1#/+',1'-, ," $-**-4 1&# ./-!#"2/# -21*',#" ', 1&# ,&,!#"
!!2/!5 0#!1'-, ', 5-2/ +',$/+# - "(201 -$$0#1 ,2** +,2**5 1#/+',1# 1&# !&,,#* ',.21 !-,,#!1-/ 4'1& W 1#/+',1'-, ," $-**-4 1&# ./-!#"2/# ', 5-2/ +',$/+# -, 00'%,',% -,# -$ 1&# !-,1/-* ),- 0 1- -$$0#1 ,2** ," "(201',% '1 0- 1&#
"'0.*5#" 1/!# '0 0#1 1- 1&# .-0'1'-, -, 1&# 0!/##,
&# ,#4 -$$0#1 ,2** .-0'1'-, '0 3*'" -,*5 $-/ 1&# !2//#,1 0#11',% -$ 1&#
0+--1&',% ./+#1#/ -, -/ -$$ $ "#0'/#" !&,%# 1&# 0+--1&',% ./+#7
1#/ ," /#.#1 1&# ./-!#"2/#
SDĆ32 User Manual
21
Adjusting Parameters
22
SDĆ32 User Manual
Specifications
TableĂ1:ăAcquisition Electrical Specifications
Characteristics
Specifications
".%5*%3)
&33&1 3)". " % 3/ 8
"-0,*.( &0&3*3*/. "3&
"6*-4-
+8
*.*-4-
8
*2& *-&
02 /1 ,&22 $",$4,"3&% '1/#".%5*%3)
#&11"3*/.2
.2 3/ 02 #&'/1& 23&0
" /1 ,&22 370*$",
t 02 "'3&1 23&0
/1 ,&22 370*$",
02 3/ .2 "'3&1 23&0
/1 ,&22 370*$",
.2 3/ .2
"
/1 ,&22 370*$",
&,2&5)&1&
" /1 ,&22 370*$",
"6*-4- "'& .043 *(.", /,3"(&
"
"6*-4- 0&1"3*.( .043
090
"6*-4- *(.", /,3"(&
090
0,42 /''2&3
/3 1".2*&.3 &20/.2&
"$$41"$7 "'3&1 $",*#1"3*/. "3
/0&1"3*.( 3&-0&1"341&
" '/1 2*(.",2 40 3/ 090
&,"7&% /*2&
.*37 /3 &20/.2&
t -
!*3) -//3)*.(
t
-
.043 &1-*."3*/. -0&%".$&
SDĆ32 User Manual
- 370*$",
- 370*$",
W " W
23
Specifications
TableĂ2:ăEnvironmental and Mechanical Specifications
Characteristics
Specifications
Weight
271 grams (9.6 oz)
Height
71 mm (2.9 in)
Width
23 mm (0.95 in)
Depth
91 mm (3.8 in)
MilSpec
Meets MIL-T-28800E, Type III,
Class 5
Ambient Temperature
Operating
0_ C to 50_ C (32_ F to 122_ F)
NonĆoperating
-40_ C to 75_ C (-40_ F to 167_ F)
Altitude
Operating
to 4.5 km (15,000 feet)
NonĆoperating
to 15 km (50,000 feet)
Humidity
to 95% relative humidity at up to
50_ C (122_ F)
Electromagnetic Compatibility
United States
24
MILĆSTDĆ461B: CEĆ03 Pt 4 Curve 1,
CSĆ01 Pt 7, CSĆ02 Pt 4, CSĆ06 Pt 5,
REĆ02 Pt 7, RSĆ01 Pt 4, RSĆ02, Pt 5,
RSĆ 03 Pt 7 (limited to 1 GHz)
SDĆ32 User Manual
Glossary
Autoset
! $ ! Channel
" #
Channel Number
& "$ $ &
Default Measurement Parameter
! ! ! &
Initialize
$ " Internal Clock
$% " Setting
$ ! Smoothing
$ % ! $ " %
$
Trigger
! $ Waveform
! SDĆ32 User Manual
25
Glossary
26
SDĆ32 User Manual
Index
A
L
S
" #!" ! " " !
!" # !" C
" ! E
" !"" ! #"! # & #"" O
!" #
#!" ! " P
" ! #!" F
" & #"! " #""! " ! "! R
" " " $#! T
!& U
! !""! " " I
#" $" %# SDĆ32 User Manual
27
28