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 TM 11-6625-542-14-1
d
Output Signal Values.
Output signal
MARKER OUT Connector
Jacks
Open circuit
Impedance(at
*Risetime
Open circuit
voltage
half-voltage)
voltage
390 Ωmax.
390 Ω at 1 sec to
Markers
3 volt minimum
0.07 sec. at 1u
25 volts minimum
900 Ω at 5
sec. to 1.7 sec at
5 seconds
seconds
Trigger Pulses
6 volt minimum
5611 max.
0.08/Asec at 100
Hz to 0.30 sec at
1 Hz
Sine Waves
3 volt minimum
across 52-ohms
*With output terminated in 53 ohms.
e.
Physical Characteristics.
(2) TRIGGER OUT:
(1) Ventilation: filtered forced air.
(3) Trigger Rate:
(2) Finish: anodized, etched front panel, gray
(a ) 100KHz, 10 microseconds.
enamel case.
(b) 10KHz, 100 microseconds.
(3) Height: 14 inches.
(c) 1KHz, 1 milliseconds.
(4) Width: 10 inches.
(d) 100HZ, 10 milliseconds.
(5) Depth: 17 inches.
(e) 10HZ, 100 milliseconds.
(6) Weight: 30-1/2 pounds.
(f) 1 HZ, 1 second.
f.
Output Connections.
g. Electron Tube Compliment: 52 tubes.
(1) MARKER OUT:
1-8. Items Comprising an Operable Equipment
(a) Sign Wave; 50MHz, 10MHz, 5MHz.
Items comprising an operable AN/USM-108A are Listed
(b) Microseconds; 1, 5, 10, 50, 100 and 500.
in table 1-1.
(c) Milliseconds; 1, 5, 10, 50, 100 and 500.
(d) Seconds; 1 and 5.
Table 1-1. Items Comprising an Operable AN/USM-108A
NSN
Qty
Nomenclature
Fig. No.
1
Electronic Marker Generator SG-352A/USM-108
1-1
1
Electrical Power Cable Assembly CX-10631/U
1-1
1
Electrical Lead Assembly CX-4809/U
1-1
1
Connector Adapter U-287/U
1-1
2
RF Cable Assembly CG-2634/U
1-1
1-2
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