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 TM 11 625-922-15
Old
New
Unit/quantity
Old term
New term
abbrev
abbrev
103 cycles
kHz
Kilohertz
Kilocycles per
Kc
second
per second
106 cycles
MHz
Megahertz
Mc
Megacycles per
second
per second
109 cycles
GHz
Gigahertz
Gc
Gigacycles per
second
per second
1-6. Technical Characteristics
Accuracy...................
0.3 db.
Level range...............
10 db on meter, -40 to
Carrier and reference frequencies:
+20 db with attenuator.
Range ....................... 100 Hz to 552 kHz.
Frequency range.......
0 to 600 kHz.
Distortion .................. Less than -40 db.
Drift (10 minutes) ...... 10 Hz to 50 kHz; 5 Hz
Sweep mode:
or 0.05 percent which-
ever is greater.
Speed .......................
1 sweep/sec. to 0.5 sweep/
50 kHz to 552 kHz; 50
minute.
Hz or 0.05 percent
Bandwidth .................
300 Hz to 12.5 kHz (0.1 to
whichever is greater.
50 kHz); 3 kHz to 125
kHz (50 to 552 kHz).
Modulation:
Operating modes.............
End-to-end; End-to-end with
return reference; and loop
Frequencies ..............
25 Hz, 83 1/3 Hz-, 250 Hz.
back.
8
Drift ..........................
Less than 2 x 10 in 5
Analog outputs ................
Analog delay with marker
minutes: less than 1 x
frequency insertion capa-
-6
10 per day.
bility; analog frequency
Adjustment................
0.005 percent.
(logarithmic); and analog
amplitude.
Receiver input:
Operating temperature
Is from +32F to +120F.
range.
Level.........................
-45 dbm to +20 dbm.
Primary power .................
115 or 230 vac +10 percent,
Impedance ................
900, 600, 150, 130/135
47 to 63 Hz, single phase.
ohms 10 percent,
balance greater than 40
1-7. Components of TS-2669/GCM
db; 75ohms 10 percent,
unbalanced.
The components and running spares of the TS-
2669/GCM are listed in the basic tissue items list (appx
Transmitter output:
Level.........................
-20 dbm to +10 dbm, con-
1-8. Description
tinuously adjustable.
Impedance ................
900, 600, 150, 130/135
ohms 10 percent,
chassis (17-1/8 inches wide and 15 inches deep) with a
balance greater than 40
front panel (19 inches wide and 10 3/4 inches high). It
db; 75ohms 10 percent,
weighs approximately 45 pounds. The unit is suitable
unbalanced.
for mounting in a standard 19-inch equipment rack. Two
handles are mounted on the front panel to protect the
Delay indication:
25 Hz
83-1/3
250 Hz
front panel controls and also to aid in removing the
Hz
mod
chassis assembly from an enclosure. The unit is
freq
supplied in a wrap-around case.
Range .......................
0-40 ms 0-12 ms 0-4 ms
b. Input and output signal wires are brought to
Accuracy...................
25
s 10
s 2
s
terminal boards at the rear of the chassis. Power
connection is provided by a 6-foot power cord from the
Frequency counter:
rear of the unit. This is normally wired for 115-volt
alternating current (ac).
Readout ....................
5 digits, in-line.
50 x 10-6, 1 digit.
Accuracy...................
c. Operational controls, power switch, and primary
Range .......................
.0 to 1 MHz.
power fuse are located on the front panel. Test points
for maintenance and operational testing are located on
Level meter:
printed circuit boards within the enclosed chassis.
1-2
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