Tektronix 2213 - Page 77

A d j ustme n t Pr oce d
ure-2213
Se
r vice
e . Disco nn ect t he test setu p .
10 . A d j ust Atte n uator Com p ensation (C105,
C104,C111,C110,C205, C204,C211, and C210)
α . Set :
C
H 1 V O
L
TS/DI V 20 mV
AC-G N D-DC (bot h )

DC
S E C/DI V 0 .2 ms
b .
Co
nn ect α 1- kH z, h ig h-am p litude s qu are wave via α
50-
Ω termi n ation,
α
probe-ti p -to- bnc
adapter, and a P6120
P
ro b
e
to t
he
C
H 1
O R
Χ inpu t connecto r .
ε . Set t he ge n erator ou t put to p r o du ce α 5-divisio n
dis p lay an d com p ensate t he p ro be u sing t h e pr obe com-
pensation a d j ustme n t (see the pro b e instr u ction manual) .
5-
1 0
d . Set t
h
e C H 1 V O L TS/DI V switc
h
to 0 .2
V .
e . R eplace the pro b e and p r o b e-tip-to- bnc a da p te r wit h
α 50- Ω ca b le .
f .

A dj ust t h e gene r ato r outp ut for α 5-division d is p lay .
ΝΟΤΕ
U se Table 5-4 to i d entify t he co rrect ca p acito r for
eac h ch annel ad ju stment .
g . AD JU ST-T h e =10 LF Comp ca p acitor fo r b est front
corner .
Ta b le 5-4
Atte nu ato r Co mp e n satio n Ad j ustme n ts
h . R
e p
lace t h
e
cable and 50-
Ω termi n ation with t he
Ρ
6120
P
robe and p
robe-ti p -to- bn
c a
d ap te r .
i .

A d ju st t h e generator output for α 5-divisio n display .
j .

AD JU ST-T h e =10 Inpu t C capacitor for b est flat to p .
k . R e p eat parts e t h ro u g h j until no furt h er imp rove-
ment is note d . A dd t h e 50- Ω termination to t he
ca
b le in
p art e .
1 .

Set t h e CH 1 V O L TS/DI V switc h to 2 V .
m . R e p
lace
t he prob e
a
nd probe-tip-to-bnc
a d a p ter
with t h e
50-
Ω cable .
η . Ad ju st th e gene r ato r output for
α 5-
d ivision
dis p lay .
ο . AD JU ST-T he =100 LF Com p cap acito r fo r best
f r ont co r ner .
ρ . R e p lace t he 50- Ω cable with t he p r o be
a
nd p robe-
tip-to- bnc a d apter .
q . A dj
ust
t
he
generator
o u
t pu t to
p ro
duce α d isplay as
close
as p
ossible
to 5
d ivisions
.
r . AD JU ST-T he =100 In pu t C ca p acitor for b est flat
top .
s . R ep eat parts m t h ro ugh r u ntil no f u rt he r imp r ove-
me n t is n ote d .
t . Set t h e VER TICA L M OD E switc h to C H 2 .
υ . R epeat parts b t h roug h s for C h annel 2 .
ν . Discon n ect t he test set up .
11 . A d j ust V ertical
O
u t p ut Amplifier Com p en-
sation (13357, C357, R 367, R 366, a nd C366)
α . Set :
V O L TS/DI V ( b ot
h )

20
m
V
S
E
C/D Ι
V

0 .05 μ s
b . Co nn ect α 1- MH z, p ositive-goi ng fast-rise sq u are-wave
via α 50- Ω ca b le, α 10 Χ attenuator, and α 50- Ω termination
to t h e CH 2 O R
Υ in pu
t
connector .
A dj ustment C h an n ell Ch annel 2
=10 LF Comp C105 C205
=10 I np ut C C104 C204
=100 LF Comp C111 C211
=100
In pu t
C C110
C210