Wavetek 183 Manual page 3

,AC
L.ine
VoLtaqe
Switch
A
Switch
B
g0
o 110
115
r0
iCS
c 125
115
EI
iEC
G
72A
230
LO
:
*: - ?50
230
Hf
;l;::n€)ct
a voltmeter
Eround
lead to
GND
side
cepacitor
)
, and
the other lead to
rra
rr
side
supply)
.
Ccnnect
ac power and turn on
the
generator.
11206
in
power suppl1'
to obtain
+15Vdct50mV.
Chec!:
voltage at the
rr
-
I' side of
C
18
(
a
10
0
shoulc be
-I5Vdct
15 0mV.
Chec}:
voltage at the n+
I' side of
C80
(a
100
shcu]-C
be
+5Vt
2 5
OrnV.
Fuse (SB)
L/4
amp
L/4
amp
L/S
amp
L/8
Ermp
of
C84
(a
100
u^F
of
C8
4
(
the
+15
volt
Ad
j
ust
potentiorneter
uF capacitor)
. It
uP
capacitor)
. ft
,{
c. l-'
Keep
the generator
correred and a1low
the unit to
warn up
for
at
least
30 minutes before doing
the following calibration.
Also
keep cover closed
whenever
possible during calibration.
Anp3.ifiers Offset,
Ai,justment
Set
GEltr
!{ODE
ao
,*Ja
anC
WAVEPOR}4
to
,1v'
.
Adjust
RL92
for
?
volt
t5ntr'
at
anplifj.er cutput
(emitter
of
Q19) .
Set
z1!{FLITUDE
(dB) to 0,
VARIABLE
to
rnaximum
CC'W
(amplitude
:rir.inur:.)
.
Adjust
F.i56
for
0
volt
tlomv
at the
50Q OLIT
(intc
5
0
chm
load)
.
Set
FI{PLITLIDE
VARfAFLI
tc
maxirnum
CI^tr.
t
3-Cm!i
at
t,he
50C
CU:
.
Adjust
R124
for 0 vclt
Repeat
steps
-"t
ani
/ o::ee.
Tin:e
Symmetry
Adjusi::ent
Set
GEN II{ODE
to
CO}:l
(LIX,
t\tode1
L85),
lrlArrrEFORM
to
,
FREQ(Hz)
at XIK.
Conneet
the
50n
OUg
signal to
both
channels,
A
and
B, of
a dual
channel"
oscilloscope.
.e,
a.i
{*
s**a
*a