Racal Instruments 9901 Maintenance Manual page 54

CHAPTER
5
TABLE
6:
TEST
EQUIPMENT
REQUIRED
Item
No.
Preferred Item Remarks
1 Digital
Multimeter
Provides 10
mV
resolution
on
50V
Racal
9077
range.
DC
input resistance 10
MQ
2
Oscilloscope
Bandwidth d.c.
to
50
MHz
BWD
525
Sensitivity 50
mV/cm
3
Frequency Standard
O
1
MHz;
accuracy
±
1
part
in
10
Output
IV
r.m.s. nominal
Signal Generator
Racal 906l
)
9062
)
combi
-
9063
)
nation
Millivoltmeter
Racal 9301
Coaxial
leads,
50Q
Terminating Pad,
BNC, 50Q
(quantity
1)
Terminating connector,
BNC. 50n
(T
Piece,
quantity
3)
Power
Supply
240V ± 2%,
50
Hz
Single phase,
line
neutral
and
earth.
Pulse
Generator
Required frequency range 10
H'z
to
60
MHz
Output
from 5
mV
r.m.s.
tolVr.m.s.,
into
50n
NOTE:
LF Signal
Generator
must
have
signal-to-noise
ratio
better
than 40
dB.
Required frequency
range: 10
kHz
to
60
MHz
Measurement;
1
mV
to
3V
BNC
to
BNC.
Length 3
ft
(1
metre) approximately.
1
kHz
to
1
MHz
p.r.f. Pulse
width 100
ns to
0.1 ms.
Amplitude 50
mV
to
+3V.
9901 Vol
.
2