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PO Box
1639
101 Eagle Road
Building 7
Avon, Colorado.
USA
81620-1639
T: 970-748-3094
F: 970-748-3096
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Technical
Specifications
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External Reference
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Reference Frequency
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10 MHz
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Reference Frequency Input/Output
Level
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0 dBm min sine wave
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Interfaces
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RF input
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Type N 50 ohm (F)
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IF output
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Type BNC 50 ohm (F)
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Reference in
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Type BNC 50 ohm (F)
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Reference out
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Type BNC 50 ohm (F)
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Power
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IEC 60320 10 amp
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Environmental
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Temperature:
Operating
Storage
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0°C to +55°C
-55°C to +85°C
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Altitude
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10,000' AMSL, de-rated 2°C/1,000'
from AMSL
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Power & Dimensions
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Supply voltage
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86 - 264 VAC 43 - 67 Hz
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Power consumption (nominal)
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50W
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Dimensions (W x H x L)
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19" x 1.75" x 18"
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Weight
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11 lbs (4 kg)
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Electrical
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Input
Frequency Range
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3.625 - 4.2 GHz, (3.4 - 3.7 GHz
optional)
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Input
Level Range
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-70 to -40 dBm;
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Input Impedance
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50 ohm
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Input Return Loss
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18 dB
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Conversion Gain
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40 dB
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Gain
Adjustment Range
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20 dB
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Gain Adjustment Step
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1 dB; 0.1 dB optional
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Frequency Step Size
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1 MHz, 125 KHz optional
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Output Frequency
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70 ±18 MHz; or 140 ±36 MHz
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Output Power (P1dB) min
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+10 dBm
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Gain Flatness
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1.0 dB, p-p (±18 MHz ); 1.5 dB p-p
(±36 MHz )
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Gain Slope
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0.2 dB p-p / MHz
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Gain Stability
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±0.2 dB, at constant temperature
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Group Delay
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Linear: 0.03 nsec/MHz max
Parabolic: 0.01 nsec/MHz 2 max Ripple 1 nsec p-p max
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Phase Noise
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-63 dBc/Hz at 100 Hz -73 dBc/Hz at
1000 Hz -83 dBc/Hz at 10 KHz -93 dBc/Hz at 100 KHz
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Noise Figure
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15 dB max at maximum gain
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Spurious at rated power
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-55 dBc, max
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Intermodulation
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-40 dBc, max at 0 dBm total output
power
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© 2007 Satcom Resources
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DT4503 C-Band Downconverter
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PO Box
1639
101 Eagle Road
Building 7
Avon, Colorado.
USA
81620-1639
T: 970-748-3094
F: 970-748-3096
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Technical
Specifications
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General Specifications
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Frequency
Range
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3400-4200 MHZ
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Conversion
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Dual, No Inversion
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Step Size
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125 kHz, 1 kHz Optional
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Preset Channels
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32 Frequencies and gains
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RF Input:
Input Level
Return Loss
Impedance
Noise Figure
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-45 dBm Typical
20 dB Minimum with RF/IF Connector Module
50 Ohms
11 dB Max. @ 0 dB Attn.
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Stability (Time)
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±1x10-9/Day
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RF Output:
Output
Level
Range
Intermodulation
Impedance
Return Loss
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+20 dBm @ 1 dB Comp.
52 to 88 or 104 to 176 MHz
-60 dBc @ 0 dBm Output SCL
50 or 75 Ohms
23 dB Minimum
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Stability (over Temp)
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±1x10-8/Day
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IF Output Spurious:
Non-Carrier
Carrier
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-80 dBm
-65 dBc @ 0 dBm Output
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Transfer:
Gain
Gain Adjust
Gain Stability
Ripple
Slope
Image Rejection
AM to PM
IF Bandwidth
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45 dB @ ±2 dB
0 to 20 in 0.25 dB Steps, 0.1 dB step Optional
±0.25 dB/Day
±0.25 dB (±18 MHz), 0.75 dB (±36 MHz)
0.05 dB/MHz
-80 dB Inband
0.1°./dB for Output up to -5 dBm
36MHz
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External Ref.
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5 or 10 MHz @ +3 dBm
Optional Rear Panel Reference Output
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Group Delay:
Linear
Parabolic
Ripple
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0.03 ns/MHz
0.01 ns/MHz2
1.0 ns Peak-to-Peak
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Phase Noise:
100 Hz
1 kHz
10 kHz
100 kHz
1 MHz
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-80 Limit (dBc/Hz), -83 Typical (dBc/Hz)
-89 Limit (dBc/Hz), -92 Typical (dBc/Hz)
-95 Limit (dBc/Hz), -97 Typical (dBc/Hz)
-105 Limit (dBc/Hz), -109 Typical (dBc/Hz)
-120 Limit (dBc/Hz), -124 Typical (dBc/Hz)
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Remote Control (Rear Panel)
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Comm
Port RS-485 or RS-232C
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Indicators (Front Panel):
Power On
Receive
Remote
On Line
Stored Fault
Fault
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Green LED
Yellow LED
Yellow LED
Yellow LED
Red LED
Red LED
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Test Points (Front Panel):
RF Sample
IF Sample
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SMA, -20 dBc Nom.
BNC, -20 dBc Nom.
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Power:
Voltage
Frequency
Dissipation
Power Option
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90 to 250 VAC
47 to 63 Hz
60 Watts
-48 VDC
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Environmental:
Temperature
Altitude
Humidity
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0 to 50° C.
10,000 Feet MSL
0 to 95% Relative
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Physical:
Width
Height
Depth
Weight
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19.0 In (48.26 cm)
1.75 In (4.44 cm)
22.0 In (55.88 cm)
25.0 lbs (11.40 kg)
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MTBF
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49,740 hrs. (calculated)
>100,000 hrs. (field experience)
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Summary Alarm
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Relay Closure - Form C
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© 2007 Satcom Resources
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PO Box
1639
101 Eagle Road
Building 7
Avon, Colorado.
USA
81620-1639
T: 970-748-3094
F: 970-748-3096
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Technical
Specifications
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Input Characteristics
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Impedance/Return Loss
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50Ω/14 dB
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Frequency
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3.4 to 4.2 GHz
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Noise Figure, Max.
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20 dB max gain
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Input Level range
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-55 to -35 dBm
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Input 1 dB compression
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-25 dBm
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Output Characteristics
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Impedance/Return Loss
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50 Ω /14 dB
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Frequency
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0.95 to 1.75 GHz
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Output
Level Range
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-20 to 0 dBm
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Output 1 dB compression
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+10 dBm
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Channel Characteristics
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Gain
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+35 dB ±2 dB
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Image Rejection
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> 60 dB, min
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Spurious, Inband
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SIGNAL RELATED<-60 dBC in band,
0 dBm out;
SIGNAL INDEPENDENT,<-60 dBm
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Spurious, Out of band
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<-50 dBm
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Intermodulation
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<-55 dBC for two carriers each
at -10 dBm out
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Frequency Response
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±1.5 dB, 950 -1750 MHz out; ±0.5
dB, 40 MHz BW
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Frequency Sense
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Inverting
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LO Characteristics
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LO Frequency
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5.15 GHz
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Frequency Accuracy
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±0.01 ppm max over temp internal
reference;
ext. ref. input
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Phase Noise @
F(Hz)>
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dBC/Hz
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100
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1K
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10K
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100K
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1M
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-70
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-80
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-90
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-100
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-110
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10 MHz level
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0 dBm, ±3 dB, 75 Ω, External In or
Internal out
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Controls, Indicators
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PWR
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Green LED
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PLL Alarm
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Red LED, External contact closure
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Ext 10 MHz
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Yellow LED, indicates external 10
MHz reference
selected (rear panel DPDT switch)
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Other
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Connectors,
Function>
Type(F)/Impedance
Options>
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RF
N/50
SMA/50
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IF
BNC/50
BNC/75,F/75,N/50
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10M REF IN
BNC/75
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10M MON OUT
BNC/75
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Connector, Alarm
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DB9 - NO or NC contact closure on
Alarm
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Size
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19 inch standard chassis 1.75"
H X 14.0" D
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Power
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90 - 260 VAC, 47 - 63 Hz, 45 watts
max.
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