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58
AMPL./DIY.
VAR
AC
DC 0
A
1----~--0--~—
Dc~
~po
AC
DC 0
COMP
EXT TRIG. OR
X DEFL.
EXT. TRIG.
00
COMP.
r —
I
A
CDMy P.l
Bo
A
ATTENUATOR
B
ATTENUATOR
AMPL/DI V.
VAR
IMPEDANCE
CONVERTER
POS.
PRE-AMPL.
VERTICAL
AMPLIFIERS
A ALT LHOP ADD B
(❑I❑~❑I❑I❑~--
IMPEDANCE
CONVERTER
TRIGGER
PRE-AMPL
A
B EXT LINE
I
~TVL iITVF~
---~
r
T
1--
--~
I
I
I
I I
A
~-O
0.L~
COMPp
~ OC
~
p
Y
EXTI OLINE
PRE-AMPL.
P
POS.
PULL TO INVERT B
SWITCHING
AMPLIFIER
CHANNEL
MULTIVIB
SWITCHING
AMPLIFIER
AC AUTO DC
SLOPE
r --
I
I
I
A
COM O
e
TRIGGER
PRE-AMPL
LINE
.uv
J
O
ADTD
•--E —
~
TVL
TVF
;•:
PEAK TO PEAK
LEVEL
DETECTOR
LEVEL
A
B EXT MTB
AC DC
(❑I❑'❑lo
r~❑I❑
I
I
I
I
I
I
1
I
I
ACI
I
~_
I
A
COMPb
DC
Bo
I---~—
EXT
Fig. 3 1. Block diagram of the oscilloscope
IMPEDANCE
CONVERTER
~—
CHOP
BLANKING
A
PULSE
DELAY LINE
DRIVER
COMP
LOW PASS
FILTER
DELAY LINE
ti 100 n sec
MODULATOR
AND
OSCILLATOR
I
FINAL Y
AMPLIFIER
i
-~--II—
DEMODULATOR
>Y7
>Y2
Y1
I O
TRIGGER
COMPARATOR
TV SYNC
SEPARATOR
LINE FRAME
r
I
TVLO
—
TVF
~OTVL
INTENS
z-axls
AMPLIFIER
SWEEP
GATING LOGIC
Z-AMPLIFIER
TIME/DI V.
VAR
I
I
SWEEP
GENERATOR
~—
GATE
MAIN TIME BASE
'~_
HOLD OFF F~
TRACE
SEPARATION
ALTERNATE
TB
LOGIC
I
i
OTB MTB XDEFLj
❑I❑I❑--
SALT TB~
--~
i
I
I
IMPEDANCE
CONVERTER
BLOCK DIAGRAM PM3214
LEVEL/
SLOPE
+~
O
TRIGGER
COMPARATOR
AUTO
CONTROL
t
I
I
1 _~
AC
DC
TIME/DIY.
VA R
SWEEP
GENERATOR
DELAYED TIME BASE
GATE
HOLD OFF
X DEFLECTION
SELECTOR
COMPARATOR
—1,SkV
X POS
PULL FOR X10
FINAL X
AMPLIFIER
FOCUS
x1
X2
POWER SUPPLY
Y2
X2
CALIBRATOR
VOLTAGE
QUINTUPLER
ILLUM
POWER ON
+B.S kV
CAL
O
1.z vv v.
+8.5 k V
ti
REGULATOR
G
BATTERY
SUPPLY
<-<
L INE~
LINE
M A9555
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