Philips PM32671 Service Manual page 60

100 mhz dual-channel oscilloscope
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INPUT VOLTAGE
STEP
VOLTAGE
Square-wave signal 1 MHz,
4.3.1 0.
rise-time
12mV to A input (B)
Square-wave signal 1 MHz,
rise-time
Square-wave signal
ampl. 50mV to input
A (B)
Square-wave signal 1 MHz,
4.3.1 1,
Visible signal delay
rise-time
SETTINGS
-
AMPLIDIV to 2mV
-
Position controls R1
1 ns, ampl.
-
AMPLIDIV t o 0.1V
-
1 ns, ampl.
Positions control R1 R2)
-
AMPLIDIV to 10mV
- Set signal between dotted lines
Ins,
NOTE: Trigger instrument on negative
going slope (pull
necessary because the first
50 ns of the sweep have
certain inaccuracies.
- AMPLIDIV to 50mV
-
X
Pull
MAGN switch
1 ns ampl.
- TIME/DIV switch to 0 . 0 5 ~
R EQU I R EM ENTS
This is
I
t l
t 2
Rise time measurement
t
R
-
(10%).
- Visible signal delay 30ns approx. (6 div.)
-
MAGN led B2 liahts
I
M EASU R I NG RESULTS
M A T 861
(90%
I
I

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