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|  TM 11-5826-257-24
0-150-microampere
1-9. System Application
meter movements.
Warning signal output
and other aircraft equipment.
capable of driving
three 1000-ohm 250
1-10. Tabulated Data
microampere meter
a. Glideslope Receiver Section.
movements.
329.15 MHz through
Frequency range
b. Marker Beacon Receiver Section.
335.0 MHz
75 MHz
Operating frequency
40
Number of channels
52 ohms
150 kHz
Channel spacing
2:1 max
Vswr
52 ohms
More than 55 db atten-
Selectivity
Does not require more
Rf sensitivity
uation at all frequen-
than 20-microvolt
cies outside the range
standard GS test sig-
of 74.8 MHz to 75.2
nal for fully con-
MHz.
cealed GS flag and
Receiver threshold ad-
satisfactory naviga-
justment range:
tion performance
Adjustable from 200 to
High sensitivity
46C (51oF) to +55C
Operating temperature
1,000 microvolts.
(+131oF)
Adjusted to 500 micro-
(High Sensitivity
54C (65oF) to +71C
Storage temperature
volts.
Mode activated by
(+160oF)
providing a ground
Warmup-time:
to receiver)
Less than 90 seconds
Standard tempera-
Adjustable from 1,000
Low sensitivity
ture
to 3,000 microvolt.
Less than 3 minutes
Extreme tempera-
Adjusted to 1,500 mi-
ture conditions
crovolts.
Better than 60 db
Spuriour rejection
46C (51oF) to +55C
Operating temperature
Up-down deviation out-
Standard outputs
(+131oF)
put capable of driving
54C (65oF) to +71C
Storage temperature
three 1000-ohm, 150-
(+160oF)
Figure 1-4. System application.
1-4
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