BK Precision 1403A - Page 20

ADJUSTMENTS
\-
I
__t__
h
I
I
a
queney
response
eurve
will be
displayed
on
the
CRT.
Adjust
the
sweep
generator
output
level
for 6
divisions
amplitude
on
the
CRT at
the
low frequeney
(t
kHz)
referenee.
Adjust
TCt03 for
the flattest
frequeney
response,
with
no
sharp
dips
or
peaks,
and
so that
amplitude
at 5
NlHz
is
at
least
4.2 divisions
(-3
dB).
Next,
set the V
ATT switeh
to
L/10
and
inerease
the
output
of square
wave
OY ERCOI{P
E N
SAT
ION
Overshoot
l"/ol
=
bla
x
100
T'I{D€ RCOilPE
il
SATI Oil
Fig. 9.
Frequeney
Compensation
Adjustments.
=
generator
to again obtain
an
amplitude
of 6
divisions.
9.
Adjust
trim mer
eapaeitor
TCl02
to
mateh
the waveform
obtained
in step
7.
10.
Now,
set the
V
ATT
switeh
to 1/100
and
'
again
inerease
the output
of
the square
wave
generator
for 6 divisions
amplitude.
11.
Adjust trim
mer
eapaeitor
TCl01
to
'
mateh
the
waveform obtained
in
step ?.
I
8.
t>
16