Comtech EF Data DT-4500 Series - Manual (Page 26)

DT4500 Series Down Converters MN/DT4500.IOM
Introduction Revision 1
8
Table 3. DT-4503/X C-Band Down Converter Specifications
Characteristic Specification
Frequency Range
DT-4503
DT-4503/D
DT-4503/E
Conversion
Step
Size
Preset Channels
Stability Over Time
Stability Over Temp
3625 to 4200 MHz
3400 to 3700 MHz
Refer to Table 2.
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
Noise Figure
Level
Impedance
Return
Loss
11 dB Maximum at 0 dB Attenuation
-45 dBm Typical
50
Ω
20 dB Min. with RF/IF Connector Module
IF Output
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), optional 50 to 80
MHz or 100 to 180 MHz, (see Note)
-60 dBc @ 0 dBm Output SCL
-80 dBm
-65 dBc @ +3 dBm Output
50 or 75
Ω
23 dB Min. with RF/IF connector module
or SW Module
Transfer
Gain
Attenuation Adjust
Gain Stability
Ripple: 70 MHz IFCF
140 MHz IFCF
Slope
Image
Rejection
AM to PM
IF Bandwidth
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), optional ± 20 MHz,
(see
Note)
0.75 dB (± 36 MHz), optional ± 40 MHz, (see
Note) 10.05 dB/MHz
0.05 dB/MHz
-80 dB Inband
0.1
o ./ dB for Output up to –5 dBm
36 or 72 MHz), optional 40 or 80 MHz,
(see
Note)
External Ref.
Input 5 or 10 MHz @ +3dBm
Optional 10 MHz Rear Panel Reference Output