Comtech EF Data DT451X High Stability Ku-Band Downconverter
Ku-Band frequency conversion in sub-ranges from 10.95 GHz to 12.80 GHz
DT-451X KU Down Converter
The Comtech DT451X High Stability Ku-Band Downconverter is the leader in high performance and cost effective Ku-Band frequency conversion. The Comtech DT451X High Stability Ku-Band Downconverter is also equipped with a detachable module that establishes input and output connections for the RF and IF paths. The module inserts into a rear compartment of the converter, and requires no additional outside space. The module includes SMA connectors for the RF path and BNC connectors at 50 or 75Ω for the IF path.
Comtech DT-4510: 10.95 to 11.70 GHz
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FrequencyRangeDT-4510 DT-4510/D DT-4511 DT-4512 DT-4512/E |
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 |
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Conversion |
Dual, No Inversion |
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Step Size |
125 kHz standard, 1 kHz optional |
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Preset Channels |
32 frequencies and gains |
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Stability Over Time |
± 1 x 10-9/Day |
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Stability Over Temp ± 1 x 10-8 32 to 122°F (0 to 50°C) RF Input Input Level -45 dBm Typical |
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Return Loss |
20 dB Minimum with I/O Module |
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Impedance |
50 n |
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Noise Figure 11 dB Maximum at 0 dB Attenuation IF Output Level +20 dBm at 1 dB Compression |
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Range |
52 to 88 or 104 to 176 MHz Optional 50 to 90 MHz or 100 to 180 MHz (Contact factory with specific requirements |
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Non-Carrier Spurious |
-80 dBm |
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Carrier Spurious |
-65 dBc at 0 dBm Output |
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Intermodulation |
-60 dBc at 0 dBm OutputSCL |
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Impedance |
50 or 75 n |
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Return Loss 23 dB Minimum Transfer Gain 45 dB ± 2 dB |
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Attenuation Adjust |
0 to 20 in 0.25 dB Steps 0.1 dB Steps Optional |
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Gain Stability |
± 0.25 dB/Day |
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Ripple |
± 0.25 dB (± 18 MHz) Optional ± 20 MHz 0.75 dB (± 36 MHz) Optional ± 40 MHz (Contact factory with specific requirements) |
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Slope |
0.05 dB/MHz |
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Image Rejection |
-80 dB In-band |
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AM to PM |
0.1°/dB for Output up to -5 dBm |
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IF Bandwidth 36 or 72 MHz, Optional 40 or 80 MHz (Contact factory with specific requirements) / Input, either 5 or 10 MHz Option @ +3dBm Optional 10 MHz Rear Panel Reference Output Linear 0.03 ns/MHz |
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Parabolic |
0.01 ns/MHz2 |
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Ripple |
1.0 ns Peak-to-Peak |
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Teleports, Earth Stations, SCPC links
