Philips pm3232 - Location of Components

137
PH3232:
sirte-wave signal
6Vp
p^
2
kHz
on
Ya
(IV/cmJ
Trigg,
vio
Ya
in pos + and auto,
pofmoter
LEVEL
in
the
middle
position
triggering on the
positive slope
of the
signal)
b)
Trigger signal
at
the input
of the
trigger -pulse shaper
Y
=
2
V/cm X
=
0.5
ms/cm
Trigger signal at
the output of
the
trigger-pulse
shaper
Y=0.5V/cm
Xa0.5ms/cm
a)
Trigger pulses
ot
the input of
the
sweep-
gating
multivibrator
b)
Hold-off
signol
Signal
at the Input of the sweep-
gating
multivibrator in the absence
ot o
trigger
input signal
0
Y
=
2
V/cm X
=
0.5
ms/cm
Driver
pulses for sawtooth
generator and
blanking
circuits
y
7^
2
2
7 7
w:
7
^
2
Y»1V/cm
X=a5ms/cir
Sawtooth signal
©
1
^
Y-20V/cm X«0.5ms/cm
Time-bose
deflection
voltage
Y
»
20
V/cm X-0.5
ms/cm
Time-base
deflection
voltage
©
Y*10V/cm
X
= 0.5ms/cm
Blanking
pulses
0
^
Y
=
10
v/cm
X
-
0.5
ms/cm
Modulated
signal
of
blanking
pulses
and
oscfHator
signal
0
Y
=
0.1
v/cm
X«
0.2
ms/cm
Callbrotion
sigr»al
Fig.
3.42. Circuit
diagram
of the
complete oscilloscope
PM
3232