Racal Instruments 1994 Service Manual page 26

Universaltimer/counters
Table of Contents

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Table
1.1 -
1994
Specifications (Cont'd)
Trigger
Level
Accuracy
±
1%
reading + 30
mV
relative
to
trigger level set
(XI)
±
1%
reading + 300
mV
(X10)
Auto-Trigger
Minimum
Amplitude
150
mV
p-p
Auto-Trigger Level
Accuracy
± 30
mV
relative to displayed
reading
Read Peak
Amplitude
Accuracy
Frequency Range:
DC,
50
Hz
to
20
MHz
XI:
± 50
mV
+ 696
Vp-p
(sinewave)
± 40
mV
+
1%
reading
(DC)
X10:
+
1%
reading + 500
mV
+
696
Vp-p
Coupling:
AC
or
DC
Slope:
Positive or
negative; independently selectable
Low-Frequency
Filter:
(Input
A
only)
50
kHz
(nominal)
Input Connections:
BNC
sockets
Crosstalk (XI
at
100
MHz):
36
dB between
channels,
measured
using 5012 input
impedance
FREQUENCY MEASUREMENT
(INPUTS
A
and
B)
i
.
Range:
Input
A
6
x 10~ 4
Hz
to
160
MHz
Input
B
3
x
10~
4
Hz
to
100
MHz
LSD
Displayed:
10
-9
x
Frequency
Gate
Time
Resolution:
(+
2
x
LSD)
+
1.4
x Trigger Error x
Frequency
Gate Time
Accuracy:
+
Resolution ±
Timebase
Error
x Frequency
PERIOD A
MEASUREMENT
Range:
6.25
ns to 1.7
x
10
3
s
LSD
Displayed:
10"
9
x
Period
(see
note
1)
Gate
Time
1
1
1-8

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