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DIRECTIONS FOR USE
lns tallation
The PM 3332 should be
partment (Y-unit) of the
slid into the left-hand com-
basic oscilloscope PM 3330.
B A N D WIDTH
0 -100 kHz
F ULL
Switching on is effected
basic oscilloscope.
via the mains switch of the
1Mn
1 5p F
Fig. I . Schematic diagram of the controls
Functions of Íhe controls
Fig. I
A.
INPUT
The input socket " I Mgl / / 15 pF" is connected to
the step attenuator ("mY / cm"
"Y / cm"; via switch
"AC-DC".In
position "AC", the input is a.c. coupled
to the attenuator; in position "DC" the coupling is
direct. By depressing push-button "CHECK ZER.O",
the connection between the step attenuator and the
amplifier is cut-off and the input of the amplifier is
earthed. With this the zeÍo level of the amplifier can
be checked.
Y - PLUG
Y - A mpl i fi e r
Tr i g ger A mpl i f i er
.1
Y/cm .
C HEC K ZER o
I
,ln
A
.1
ln
Y
l rc" " rp b d
Irl H FA m pl i fierl
I
c* | +,
Í**
thode I
I
I
Output
Amplif ier
,j,i!;l i
1,,',",'
D C couple d
LF Amplifier
1 /
Atten
Chopper
A mpl i f ie r
A
uator
GAIN I A
) J
I o nt
sHIFT
P E M 2 89 1
Fig. 2. Input terminal and controls
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