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Output
Level
Accuracy:
As
indicated on
the
meter
to
the
following
tolerances with attenuator
(OUTPUT
LEVEL)
controls
in
'straight
through
1
condition
and
OUTPUT
switch
in
NORMAL
position:-
(1)
For carrier
frequencies from 5
to
520MHz
±0.8dB
at
+25°
C
±5°
C
±1 .5dB
at
0°C
and
+55°C
(2)
For
carrier
frequnecies from
1
.5
to
5MHz
(9082 only)
±3.3dB
at
+25°C ±5°C
±4dB
at
0°C
and +55°
C
When
Reverse
Power
Protection Unit
11-1405
or
11-1390
is
fitted
add ±0.7dB
to
the
above
figures.
5QQ Type
'N' connector.
Ratio
1
.
1
to
1
(1
.2
to
1
if
the
Reverse Power-Protect
Unit
is
fitted)
with not
less
than
lOdB attenuation
selected.
The
output withstands reversed
r.f.
inputs
up
to
1W.
A
protection
unit
giving protection
up
to
50W
is
available
as
an
optional extra.
The
front
panel
meter
is
calibrated
in
dBm
into
5QQ and
in
volts.
Output Impedance:
Output
VSWR:
Output
Protection:
Output
Meter:
FREQUENCY
MODULATION
Frequency
Ranges:
Distortion:
(1)
Using the
internal oscillators:
400Hz,
1kHz
and 5kHz.
(2)
Using an external source:
20Hz
to
100kHz
(±3dB).
Less
than
5%
at
maximum
deviations using
internal oscillator.
Deviation
Ranges and Modulating
External
Modulation frequency
response:
1
Frequency
Ranges:
within
3dB
from
20Hz
to
100kHz
for
all
ranges.
9081 and 9082 Vol
.
2
Tech. Spec.
(4)
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