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In
addition,
the
Model 723,
when
used
with
the
Model
724
Stereo
Monitor,
meets
the
requirements
of
Section
73.332,
Subsections
d
and
e,
for
stereo
monitors;
and,
when
used
with
the
Model
730 SCA
Monitor,
meets
the
requirements
of
Section
73.332,
Subsections
f
and
g,
for
SCA
monitors.
1.2
Specifications
RF
Input
Frequency
range
- - - - - - - - - - - -
Sensitivity
- - - - - - - - - - - - - - -
Input
Level:
Low-level
input
- - - - - - - - - -
Hi-level
input
- - - - - - - - - - -
Selectivity:
3 dB bandwidth - - - - - - - - - -
40 dB bandwidth - - - - - - - - -
Input
impedance
-------------
Input
connector
-------------
Image
rejection
- - - - - - - - - - - - -
Signal
-
to-noise
ratio
----------
Carrier
level
meter
- - - - - - -
--
- -
Carrier
Frequency
Error
Measurement
Digital
readout
- - - - - - - - - - - - -
Accuracy
- - - - - - - - - - - - - - - -
Internal
frequency
standard
------
1-2
88
to
108
MHz
Approximately
250 µV, 60 dB
automatic
gain
control
range
250
µV
to
250 mV (75
ohms)
1V
to
10 V (50
ohms)
375
kHz
800 kHz
75
ohms
(nominal)
60 dB
70
dB
below
100%
modulation
at
400 Hz with 75
µs
de-emphasis
and 500 µV
input.
Front
panel
meter
to
indicate
relative
signal
level
Zero
to
± 10 kHz
in
1 Hz
increments
from
assigned
center
frequency
±100 Hz
per
year
Uses
a
precision
5 MHz
crystal
oscillator
in
a
proportionally
con-
trolled
oven.
A 1 MHz
output
is
provided
on
the
front
panel
for
calibration
against
WWVB
or
a
precision
frequency
source
.
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