Racal Instruments 1994 Service Manual page 166

Universaltimer/counters
Table of Contents

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TABLE
6.1
Required Test
Equipment
Item
Minimum
Use
Specification
Recommended
Equipment
1.
Frequency Standard
10
MHz;
accuracy
better
than ±
3
parts
in
10
10
Racal
9475
2.
Oscilloscope with
an
XI
probe
50
MHz
bandwidth
TEK
454
3.
Digital
Multimeter
Frequency range
of
DC
to
5
kHz;
input
level
of
20
mV
to
6V
Racal
5001
4.
Signal
Generator
10
kHz
to
1.3
GHz
Racal
9087
5.
Audio Generator
Frequency range
of
10
Hz
to
5
kHz; output
level
of 30
mV
into
50
ohms
Racal
9083
6.
Pulse
Generator
Single positive-going
pulse
with +0.8V low
and +2.8V high
levels
(TTL
limit-level)
Racal P25
7.
BNC
T-Connector
50
ohms
8.
Connector Lead
50-ohm
coaxial cable
with
BNC
connectors,
length
between 0.80m
and
lm
9.
Coaxial
Load
BNC
connector, 50
ohms
10.
GPIB
Controller
HP85
11.
GPIB Analyzer
Racal 488

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