Tektronix 465B User Manual

Calibration
Procedure—
465B Service
Performance
Check
f.
CHECK—Stable
display can be
obtained by
ad-
justing
the B
TRIGGER LEVEL
control
in the following B
TRIGGER COUPLING
and B
TRIGGER SOURCE
switch
positions:
B
TRIGGER
COUPLING
B
TRIGGER
SOURCE
DISPLAY
AC
NORM, CH
1,
CH 2
0.3 Div
DC
NORM,
CH
1,
CH 2
0.3 Div
LF
REJ
NORM, CH
1.
CH 2
0.5 Div
HF REJ
NORM, CH
1,
CH 2
0.5
Div
2.
Check A and
B
External Triggering
a.
Set:
CH 1
VOLTS/DIV
20 mV
TRIGGER
SOURCE
(both)
EXT
TRIGGER COUPLING
(both)AC
b.
Adjust leveled
sine-wave
generator
output for 5
divisions of
display on the
crt.
c.
CHECK—
Stable display
can be
obtained
by
ad-
justing
B
TRIGGER LEVEL
control in
the
following B
TRIGGER
COUPLING
switch
positions:
AC. DC
d.
Remove the
2X bnc
attenuator and
set
B
TRIGGER
COUPLING
switch to LF REJ
then HF
REJ.
e.
CHECK—Stable
display can
be obtained by
ad-
justing B
TRIGGER LEVEL
control.
f.
Set:
HORIZ DISPLAY
A
A
TRIGGER
COUPLING LF
REJ
then HF REJ
g.
CHECK—
Stable
display can be
obtained by ad-
justing A
TRIGGER LEVEL
control
with A
TRIGGER
COUPLING in
both LF REJ
and HF REJ.
h.
Replace the 2X
bnc
attenuator.
i.
CHECK—
Stable display
can be
obtained
by
ad-
justing A
TRIGGER
LEVEL
control in the
following A
TRIGGER
COUPLING
switch
positions:
AC, DC
j.
Remove
the 10X
bnc
attenuator and
set the A
TRIGGER
SOURCE
switch to
EXT/10.
k.
CHECK—
Stable display
can be
obtained by
ad-
justing the A
TRIGGER
LEVEL
control in
the
following A
TRIGGER COUPLING
switch
positions:
AC, DC
I.
Remove
the 2X bnc
attenuator
and set A
TRIGGER
COUPLING
switch to LF
REJ then
HF REJ.
m.
CHECK—Stable
display
can be
obtained by ad-
justing
A
TRIGGER LEVEL
control.
3.
Check A
NORM
TRIG Mode
a.
Set:
A
TRIGGER
COUPLING
AC
A
TRIGGER
SOURCE
NORM
A TRIG MODE
AUTO
b.
Adjust A
TRIGGER LEVEL for a
stable
display.
c.
Set
TRIG MODE
switch to
NORM.
d.
CHECK—
Stable display
is visible.
e. Set
CH 1
AC-GND-DC switch to
GND.
f.
CHECK—No
visible display
in the absence
of an
adequate
trigger
signal.
4.
Check
SINGL
SWP TRIG
Mode
a.
Set
CH 1
AC-GND-DC switch to
DC.
b.
Adjust A
TRIGGER LEVEL
until
display just
triggers.
c. Set
CH 1
AC-GND-DC
switch to GND.
d. Press SINGL
SWP
push button in.
e.
CHECK-READY
LED comes
on and stays
on.

Tektronix 465B Specifications

General

Brand	Tektronix
Model	465B
Category	Test Equipment
Language	English