Tektronix 2213 Service Manual

H
O
R IZO N TA L
R efer to
Figure 2-5 for locatio n of items 17 t h roug h 22 .
D EL AY TIME-Two
controls a r e use d in co njun ctio
n
wit h I NT EN S and DL Y'D HO R IZO N TA L M OD E to
select t h e amo u nt of d elay time b etween t
h e
start
of
t he sweep and t he b egin
n
i
ng
of
t h e intensified zo n e .
R ange Selector Switc
h -T h is t h ree-positio n switc h
selects 0 .5 μ s, 10
μ
s,
an d 0 .2 ms of delay time . To
increase t h e sweep delay from t h e calib
r
ate
d
setti n g of the R ange Selector switc h , rotate t
he
M UL TI PL I ER cont r ol cloc k wise .
MU L TI PL I ER Control- Pr ovi des va r ia b le sweep
d elay f r om less th an 1 to greate r t h an 20 times t
he
setti ng of t h e R an ge Selecto r switc
h .
S
E C/DI V Switch - U sed to select t h
e
sweep s p ee
d
for t he swee p generato r in α 1-2-5 se quen ce .
For
cali b rate d swee p spee d s, the S EC/DI VV ariable
con t r ol must be i n t he calibrate d detent (f u
lly
cloc
k -
wise) .
Fig ur e 2-5 . Ho r izo n
tal con t r ols .
Ope r
ati
ng
I
n structio n s-2213 Service
SE C/DI V V ariable Cont r ol-
P
rovi d es contin
u ously
va r iable, uncalibrate d
sweep
s p
ee d s
to at
least 2 .5
ti m es t
he calibrate d setting . It exte nds t he slowest
swee
p
spee
d to at least 1 .25 s p e r division .
Χ 10 M ag n ifier Switch-To
increase d is p
laye
d sweep
speed by α factor of 10, pull out the SEC/DIV
Varia b
le k nob . T he fastest sweep s p eed can be
exte nd e d to 5 n s p e r d ivision . Pu s h in t he S E C/DI V
V a r iable con tr ol k no b to regain t
h
e Χ 1 sweep s p
ee
d .
H O R IZON TA L M OD E Switc h -T h is th ree-position
switc h dete r mi nes th e mo d e of operation for th
e
h orizo n tal d eflection system .
ΝΟ D L Y- H orizo ntal deflection is pr ovide d by t
h e
sweep ge n erato r , wit h out α delayed start, at α
sweep speed d
etermined
by
t he
S
EC/DI V switc h .
I N T EN S- H orizontal d
eflection
is p
r ovi
d
ed b y t h e
sweep generato
r
at α
sweep
spee d d
etermined b y
t he S E C/DI V switc
h .
T he sweep generator also
pr ovi d es an
i n tensified
zo
n e
on t
he d
is p lay . T
h e
start of
t he i n tensifie d zone re p r
esents t
h e swee p -
start poi
n
t w h
en
D L Y'D H O R IZO N TA L MOD E
is selecte d .
D L Y'D-Horizontal d eflectio n
is
provi d e d by t h e
swee p generato r at α sweep spee d d ete r min e d by
t he S E C/DI V switc h setting . T he sta rt of t h e
sweep is d elaye d from t he i n itial sweep -t r igge r
p oi n t by α time determine d by t he setting of t he
D EL AY TIME R a
n ge
Selector switc
h
and MUL TI-
PL I
ER
cont
r ol .
POSITIO N Co n trol- P ositio n s t he d is p lay ho r i-
zo
n
tally
in
all
mo d
es .
T R IGG ER
R efer to Fig u re 2-6 for location of items 23
t h roug h 31 .
ΕΧΤ I NP UT Connector- Pr ovi d es α means of i n t r o-
du cing exter n al sig n als i n to t he t r igger ge n erator .
ΕΧΤ CO UPL I N G S w itc
h
-Determines t he met hod
used to
coup le exte rn al signals
to t
h
e Trigge r ci r cu it .
AC-Sig
n
als above 60
H z are
capacitively cou p led
to t
he
in
p
ut of t
h e
T
r igger
circuit . Any do com-
p onents are bloc k ed, and signals below 60 Hz are
attenuate d .

Tektronix 2213 Specifications

General

Brand	Tektronix
Model	2213
Category	Test Equipment
Language	English