Tektronix 576 - Page 5

Sp ecification-Ty p e 576
L oo p ing Com p
ensation
fo r
e
voltage
can be a pp lie d . Amber
lig h t on i nd icates i n terloc k is open ;
R ed lig h t on in d icates voltage is be-
ing a pp lie d to test te r mi n als .
Cancels st r ay ca p acitance
between
collector test termi
n
al an
d g r oun d
i n Stand a r d Test F ixt
u re an d
all
Standa r d Test Fixt
u re Accessories .
Step Gene r ato r
2 Co
n tin u oυ s DC O u tp u t vs Ti
m e, Tem p erat ur e a nd D u ty
Cycle . 2 Α
co n ti nu o
u s DC ou t pu t can be ac h ieve d fo
r an un limite d pe r io d up
to 30 ° C amb ie n t . Betwee
n
30
0 C a nd 40 ° C a mb ient,
2 Α co n ti n uo u s
DC op eratio n s h
ou l d b e li m ite d to 15 m i nu tes or
li
m
ite d to α 50%
du ty cycle o
r less . Α fa m ily of ste p s (suc h as 10 ste p s at
200 mA per
ste
p
)
will a u tomatically r e du ce t h e du ty
cycle to 50% even if ge n era-
te d co n ti nu o u sly . E xcee d i
n g
t
he rati ng will tem p o r a r ily s h ut
off
powe r to t hee n tire instrument bu
t
no
da m age will r es u lt .
R ipple Plus
N oise 0 .5% ο o r less of A MPL IT U D E switc h
setting or 4 ηΑ , p ea k to pea k .
V
oltage
M
o
de
AM PL IT U D
E 50 m V to 2 V, i n 1-2-5 se q uence .
Switch R ange
M axim
u
m
Voltage 20 times A MPL IT U D E switc h set-
(Ste p s and Ai
d i n g ting .
Offset)
Maximum Cur r ent At least 2 Α at 10 V o r less, d e-
(Ste p s
a
nd Aiding r ating linearly to 10 mA at 40 V .
Offset)
S ho rt Circuit Cur-
20 mA, 100 mA, 500 mA, +100%-
rent L imiti n g (Ste p s 0°/
ο ; 2
Α +50% ο -0°/ ο ; as selecte d by
and Aid i ng Offset) C URREN T L I M IT switc h .
Maxim u m Op p osi n g 10 times A
MPL
IT U D
E
switc
h
set-
Offset
V
oltage i
ng .
Maxim u m Opp osi n g L imite d betwee n 10 mA and 20
Current mA
R i pp le P lus N oise 0 .5% ο or less of A M PL IT U D E switc h
setting, or 2 m V , p ea k to peak .
Ste p R ates (
Fr ont p a n el R AT E button labels in
pa r ent h eses .) 1 times ( .5 Χ ), 2 times
(N
O
R M ) and 4 times (2 Χ ) line f r e-
quency . Steps occ u r at zero collec-
tor voltage w h en .5 Χ or N O R M
R AT E bu tto n s a r e p r esse d , an d also
at peak voltage w hen 2 Χ R AT
E
button is p resse d . Ste
p
s
occ u r
at
collector voltage
p eak and at
normal r ate w h en .5 Χ a nd 2 Χ .
R AT E buttons a r e p r esse d toget h er .
P
ulse
d Step s Pu lse d ste p s 80 μ s o r 300 μs wid
e
wit h in
+20°/
ο , -5°/ ο p ro duced w h
e n-
eve r one of t h
e
PUL S
E
D ST
EP
S
buttons is p r esse d . P ulse d ste p s can
be
p r o
d
u ce d only at normal an d .5
times normal rates . Collector
Supply mode automatically be-
comes DC w h en eit h er t h e 300 μ s
or 80 μ s PUL SE D ST EP S button is
p resse d unless P O L A R ITY switc h is
set to AC . If t he 300
μ s
and 80 μs
PUL SE D ST EP S buttons are p r ess-
ed toget h er, 300
μ s
pulse d steps a r e
p r od uce d , but collecto r su pp ly
mo d e does not c h an ge .
4ccuracy (Cu rrent o r
V oltage Ste p s, I n cl ud -
ng
Offset)
Incremental W it h in 5% b
etween any two ste p s,
Accuracy withou t .1 Χ ST
EP MUL T button
pr esse d ; wit h in 10%
ο wit h .1 Χ ST EP
Μ UL T bu tton p r
esse d .
Absolute
W it h i n 2°/ ο of total out p
ut, incl ud -
Accu r acy
ing any amou n t of offset, or
1°/ ο of
A MPL IT U D E switch setting,
w h ic h -
ever is g r eater .
Ste p (Current
or
One times or
0 .1 times (wit h .1X
Voltage) Am p litu d es ST EP MUL T b
u tton p resse d ) t he
AM PL IT U D
E switc h setting .
D FF S ET MU L T Con-
Co
n tinuously va r iable f r om CI to 10
trol R ange times A MPL IT UD E switc h setting,
eit h er ai d i ng or op p osing the ste p
ge n erator p ola r ity .
C ur re
n t Mode
AM PL IT U D E 200 mA to 50 ηΑ , in 1-2-5 se-
Switch R ange quence .
M aximum Cu rr ent 20 times A
MPL IT U D E switc h set-
(Ste p s a nd Ai d ing ting,
exce p t 10 times switc h setting
Offset ) 2 w h en switc h is set to 200 mA, an d
15 times switc h setting w he n t h
e
switc h is set to 100 mA .
Maximum Voltage
At least 10 V .
(Ste psand Ai d ing
Offset)
M aximum Opp osing A Wh
ic h ever is less : 10 times A MPL I-
Offset C u rrent
TUD E switc h setting, or between
10 mA an d 20 mA .
M aximum O p posing Between 1 V an d
3 V .
Voltage