TM 11-6625-828-12
Modulated.................. Variable type determined by switch
can be transmitted to the aircraft pilots. Positive, audible
setting.
identification of the radiated test signals is made possible
Unmodulated ............. Adjustable voltage from 0.35 to 17 volts
through the use of a built-in automatically keyed signal.
(rms).
Line-voltage input ...... 115 volts 10 percent, 60 0.2 cycles
1-8. Tabulated Data
per second.
Frequency range ... 108 to 132 mc (any two preselected
Power consumption ... 160 watts.
fixed frequencies). Types of output.
Weight ....................... 48.5 pounds
RF .............................. Unmodulated and modulated.
1-9. Items Comprising an Operable Test Set, Radio
AN/ARM-5A
Quantity
Item
Height
Unit
1
Signal Generator SG-66B/ARM-5
10 1/2
Dimensions (in)
Weight
Figure
1
RF Cable Assembly CG-409E/U (6 feet)
Depth
Width
(lb)
No.
1
Power Cable Assembly CX-337/U (6 feet)
12 1/4
17 3/8
48.5
1/4
1
TM 11-6625-828-12
3/4
unit produces signal at 1,000 Hz. These signals are
1-10. Description of Signal Generator SG-66B/ARM-5
selected by a MODULATION switch on the front
The SG-66B/ARM-5 (fig.
1-1) is of ruggedized
construction and includes a wraparound louvered case to
protect the internal components from dirt and damage.
1-11. Description of Minor Assemblies
Two front panel handles permit the SG-66B/ARM-5 to be
The minor assemblies of Test Radio AN/ARM-5A are
moved about easily. All connectors and operating
included in figure 1-1. Special feature listed below.
controls and indicators are on the font panel. An internal
a. RF Cable Assembly CG-409E/U is composed of a
power supply produces regulated direct current (dc) and
6-foot length of RG-58/U coaxial cable, both ends of
alternating current (ac) voltages for use by the
which are terminated with Plug UG-88C/U.
equipment An internal tone generator consisting of two
b. Power Cable Assembly CX-337/U (6 ft) is used to
motor-driven tone wheels produces signals of 30, 90
connect the SG-66B/ARM-5 to a power source. It is
150, and 9,960 cycles per second (Hz) and an oscillator
terminated on one end with a receptacle and terminated
on the other end with a plug.
Figure 1-2 Deleted
Change 1 1-2
