Comtech EF Data DT-4500 Series - Manual (Page 30)

DT4500 Series Down Converters MN/DT4500.IOM
Introduction Revision 1
12
Table 5. DT-4513/E Ku-Band Down Converter Specifications
Characteristic Specification
Frequency Range
DT-4513
DT-4513/E
Conversion
Step
Size
Preset Channels
Stability Over Time
Stability Over Temp
10.95 to 12.75 GHz
10.70 to 12.75 GHz
Dual, No Inversion
125 kHz standard, 1kHz optional
32 Frequencies
± 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 RF/IF Connector 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
Group Delay
Linear Group Delay
Parabolic Delay
Group Delay Ripple
0.03 ns/MHz
0.01 ns/MHz
2
1.0 ns Peak-to-Peak