Tektronix 576 - Page 6

Ste
p
s an d Offset
P olarity
Step
Families
N umber of Ste ps
Correspon d s wit h collecto r sup ply
pola r ity
(positive going w hen PO-
LAR ΙΤΥ
switc h is set to AC) w hen
t h
e P
O L A
R ITY I NVER T button is
release d . Is o p posite collector su p -
p ly p ola r ity (negative-going in
AC)
w hen eit h
e
r t
he
POLARITY IN-
VERT butto n is p ressed o r t
h
e
L ea d Selector
switc h
is
set to BAS E
G RO UN D
E D . If
L ea
d Selector
switc h is set to BAS
E
GR O UN
D-
E
D,
P
O
L A R ITY I NVER T button
h
as no
effect
on
ste p s
an
d offset
polarity .
R ep etitive families of c h aracteristic
curves gene r ated wit
h REP ST EP
FAMILY bu tto n p
resse d . Single
family of c
h aracteristic curves gen-
e r ate d eac
h time SI NG LE ST EP
F AM I L
Y
b
u tton is p resse d .
R an ges
from 1 to 10 as selecte d by
t he
NUMBER O F ST EP S switc h .
For zero
ste p s, p r ess SI NG LE ST EP
F AM Ι L
Y
bu
tton .
Dis p lay Am p
lifiers
Sp ecificatio n -Type 576
E xternal H
ori-
2 ο / ο 3 ο / ο 4 ο / ο 3 ο / ο
zontal (T h roug
h
I n te r face)
Leakage Collecto r
Su pp ly M o d e
Vertical E mitter 2 ο / ο ±1 3 ο /
ο ±1 4 ο / ο ±1 3 ο / ο ±1
Cu r rent
(VER T-
ηΑ
ηΑ ηΑ ηΑ
ICA L Switc
h set
between 10 ηΑ
an
d 2 mA)
Vertical Emitter Not A pp licable
5 ο / ο ±1 ηΑ
Current (VER T-
ICA L Switch
set to 5 ηΑ , 2
ηΑ or 1 ηΑ )
Η ο r ί z οη t αΙ
Collecto r or
Base Volts
VER TICA
L
switc h set
to :
1 μΑ o
r mo
r
e 2% ο 3 ο / ο 4 ο / ο 3 ο / ο
100 ηΑ , 10 N ot A pp licable 3% ο
plus
πΑ or 1 ηΑ 0 .025
V
fo r
eac h
vertical
d ivision
of
deflection
ο η t h
e
CRT
500 ηΑ , 50 N ot A pp licable 3% ο plus
ηΑ or 5 ηΑ
0 .125
V
for eac h
vertical
d
ivision of
d eflection
ο π t h e
CR T
200 ηΑ , 20 Not
A pp
licable 3% ο plus
ηΑ or 2 ηΑ 0 .050
V
for eac h
vertical
d ivision of
d eflection
of t h e
C R T
Ste p Generator
Display
Dis p lay Acc u racies Dis p lay magnifie d (DIS-
Dis p lay
( οι '
οο f H ig h est On-
PL AY
O
FF S E T Selec-
Unmag-
Sc
r een Value)
f or switc h set to eit h er
nifie d
VER T Χ 10 or HO R IZ
X10) an d offset be-
tween
100 an
d 35 and 10 and
40 divi- 15
d ivi- 0 d ivi-
sions
ions sions
N ormal
and DC
Collecto r Su pp ly
Mo d es
Vertical Col-
2% ο 3% 4%
3 ο / ο
lecto r
Cu r re n t
E xte r nal Ve r t- 2% ο
3% ο 4% ο 3%
ical (Through
Ι nterface)
H orizontal Col- 2% ο
3 ο
/
ο 4% ο 3 ο / ο
lector V olts
H orizontal
B ase
2%
3% ο 4% ο 3%
V olts