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PHASE
MODULATION
(0M)
Frequency
Ranges:
Phase
Range:
Distortion:
Accuracy:
MULTIPLE
MODULATION
Facilities:
MODULATION
OSCILLATOR
Frequencies:
Accuracy:
Distortion:
Output:
POWER
SUPPLY
AC
Voltage
Ranges:
Frequency:
Power Consumption:
400Hz
to
5kHz
from
internal oscillators
or
external source.
(1)
Internal
and
external
range
10 radians
at
full-scale
reading.
(2)
Phase range from
internal
source
is
adjustable
by
MODULATION
LEVEL
control
.
(3)
Using an external
input
IV
r.m.s.
into
60CQ
gives 10 radians
phase modulation.
Less
than
5%
at
100
radians using
internal
oscillator.
±5%
of f.s.d.
Simultaneous modulation by
AM
and
either
FM
or
pM
is
available, using
one
internal
and one
external
oscillator, or
two
external
oscillators.
400Hz, 1kHz and 5kHz.
±5%
Less
than
1%
total
harmonic
distortion.
An
output
level of
IV
r.m.s. from a
60CQ
source
is
available
at the rear
panel
AUDIO
OUTPUT
(BNC)
socket.
Four ranges selected
by
rear
panel switches:-
94V
to
1 1
0V
188V
to
220V
1 1
0V
to
1
30V
220V
to
260V
45
to
440Hz.
Approximately 25
VA.
9081 and
9082
Vo
1.2
Tech. Spec.
(6)
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