Comtech EF Data DT-4500 Series - Manual (Page 28)

DT4500 Series Down Converters MN/DT4500.IOM
Introduction Revision 1
10
Table 4. DT-451X Ku-Band Down Converter Specifications
Characteristic Specification
Frequency Range
DT-4510
DT-4510/D
DT-4511
DT-4512
DT-4512/E
Conversion
Step
Size
Preset Channels
Stability Over Time
Stability Over Temp
10.95 to 11.70 GHz
10.70 to 11.70 GHz
11.70 to 12.20 GHz
12.20 to 12.75 GHz
12.50 to 12.80 GHz
Dual, No Inversion
125 kHz standard, 1kHz optional
32 Frequencies and Gains
± 1 x 10
-9 /Day
± 1 x 10 -8 0 to 50°C (32 to 122 o F)
RF Input
Level
Return Loss
Impedance
Noise Figure
-45 dBm Typical
20 dB Min. with IO Module
50
Ω
11 dB Maximum at 0 dB Attenuation
IF Output
Level
Range
Intermodulation
Non–carrier Spurious
Carrier Spurious
Impedance
Return Loss
+20 dBm at 1 dB Compression
52 to 88 or 104 to 176 MHz
-60 dBc @ 0 dBm Output SCL
-80 dBm
-65 dBc @ 0 dBm Output
50 or 75
Ω
23 dB Min. with IO Module
Transfer
Gain
Attenuation Adjust
Gain Stability
Ripple: 70 MHz IFCF
140 MHz IFCF
Slope
Image
Rejection
AM to PM
45 dB ± 2 dB
0 to 20 in 0.25 dB Steps
0.1 dB Steps Optional
± 0.25 dB/Day
± 0.25 dB (± 18 MHz)
0.75 dB (± 36 MHz)
0.05 dB/MHz
-80 dB Inband
0.1
o ./ dB for Output up to –5 dBm
External Ref.
Input 5 or 10 MHz @ +3dBm
Optional 10 MHz Rear Panel Reference Output