HP 120A - Secti N ID

Sect, in Page 0
O I VERT. SENSITIVITY
Q dc
TO VERTICAL
DEFL. PLATES
VERTICAL
INPUT
AC-DC
SWITCH
VERNIER (^)
jk \i j k
INPUT
ATTENUATOR
INPUT
AMPLIFIER
V- ■
OUTPUT
AMPLIFIER
• H •
"'/A ----------------------------------------------------------------------------------------------------
SYNC
INT+
+ 50V<
6.3 V
\
EXT
[TRIGGER LEVEL| 0 ----------- 1 --------
AUTO
0-4 SWEEP TIME
X5
•SWEEP TIME
HORIZ.SENS.
I
I
AC
VERNIER
I
HORIZ.SENS.
O [HORIZ.POS.
1
TO VERT.
CALIBRATOR
ATTEN.
OUTPUT
AMPLIFIER
LOW
VOLTAGE
POWER
SUPPLY
HIGH
VOLTAGE
POWER
SUPPLY
TO HORIZ.
DEFL. PLATES
INPUT
AMPLIFIER
TO CRT CATHODE
-2250V
TO CRT GRID.
-2300V APPROX.
INPUT
ATTENUATOR
O
DC
SWEEP TIME Q
HORIZ. SENS.
w AC-DC SWITCH
HORIZ. a
SYNC.INPUT
HORIZ. SENS.
I NT.-1
LINE
— o
VERNIER
9 \
TRIGGER
GENERATOR
—
SAWTOOTH
GENERATOR