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Page Title:
Table 4.1. Test Equipment Required. |
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 TM 11-6625-3017-14
Table 4.1. Test Equipment Required.
Item
Type
Minimum specification
Recommended model
a
A. M. signal
Output: 100 mV across 50 Q
TF 2002B
generator
A. M.: 80%
Envelope distortion: 1% at 50% mod.
b
F. M. signal
Deviation: 4 to 250 kHz
TF 2008
generator
Mod. freq.: 0 to 200 kHz
Spurious a. m.: 1%
c
F. M. signal
Output: 200 mV across 50 n
TF 1066B/6
generator
Deviation: 4 to 250 kHz
(Mod. freq.: 40 Hz -
Mod. freq.: 0 to 200 kHz
100 kHz)
d
Electronic
Sensitivity: 10 mV
Hewlett-Packard
r. m. s. or average reading
HP 3406
dB calibration
e
Frequency
Frequency: 20 kHz to 1.5 MHz
Hewlett-Packard HP 5245L
meter
Sensitivity: 10 mV
with HP 5261A
f
L. F. oscillator
Frequency: 800 Hz to 56 kHz
Hewlett-Packard
Distortion: 0.5%
HP 209A
g
Spectrum
Resolution: 60 dB at 50 Hz
TF 2370
h
L. F. general purpose
Hewlett-Packard HP 1700B
i
Selective
Frequency: 1.4 to 1.6 MHz
Siemens
level meter
Pegelmesser
j
Crystal
Any available frequency with range of
oscillator
10 to 500 MHz, with output between
20 and 100 mV.
k
Low-pass
Cut-off frequency: 15 kHz
See Sect. 2.9
filter
l
To measure resistance,
Hewlett-Packard
40 to 60 Ω
HP410A
m
Amplitude
A. M. depth: 80%
TM 9897A
modulator
(3)
On the modulation meter, turn the oscillator RANGE
meter deflection is at the bottom of the black arc.
switch and TUNE control to suit the r. f. input
frequency, the Function switch to TUNE
(5)
Check that the signal generator output, as indicated
OSCILLATOR AND ADJUST LEVEL and the
on the voltmeter, is within the figure given for r. f.
LEVEL control fully clockwise.
input sensitivity in Sect. 1.2 - Data Summary. If not,
(4)
Tune for peak meter deflection and then adjust the
signal generator output until the
4-4
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