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Comtech EF Data DT-4572 X-Band Down Converter

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  • High Gain
  • Low Phase Noise
  • Remote control interface
  • Daisy Chain Redundancy Switching


SKU: SATRES-391565

DT-4572 Specifications
Frequency Range 7250 to 7750 MHz
Conversion Dual, No Inversion
Step Size 125 kHz standard, 1 kHz optional
Preset Channels 32 frequencies and gains
Stability Over Time ± 1 x 10-9/Day
Stability Over Temp ± 1 x 10-8 32 to 122°F (0 to 50°C)
RF Input
Input Level -45 dBm Typical
Return Loss 20 dB Minimum with I/O Module
Impedance 50 Ω
Noise Figure 11 dB Maximum at 0 dB Attenuation
IF Output
Level +20 dBm at 1 dB Compression
Range 52 to 88 or 104 to 176 MHz

Optional 50 to 90 MHz or 100 to 180 MHz

(Contact factory with specific requirements)
Non-Carrier Spurious -80 dBm
Carrier Spurious -65 dBc at 0 dBm Output
Intermodulation -60 dBc at 0 dBm Output SCL
Impedance 50 or 75 Ω
Return Loss 23 dB Minimum with RF/IF Connector Module or SW Module
Transfer
Gain 45 dB ± 2 dB
Attenuation Adjust 0 to 20 in 0.25 dB Steps

0.1 dB Steps Optional
Gain Stability ± 0.25 dB/Day
Ripple ± 0.25 dB (± 18 MHz) Optional ± 20 MHz

0.75 dB (± 36 MHz) Optional ± 40 MHz

(Contact factory with specific requirements)
Slope 0.05 dB/MHz
Image Rejection -80 dB In-band
AM to PM 0.1°/dB for Output up to -5 dBm
IF Bandwidth 36 or 72 MHz, Optional 40 or 80 MHz (Contact factory with specific requirements)
External Reference
Input, either 5 or 10 MHz Option @ +3dBm
Optional 10 MHz Rear Panel Reference Output
Group Delay
Linear 0.03 ns/MHz
Parabolic 0.01 ns/MHz²
Ripple 1.0 ns Peak-to-Peak
Phase Noise (Typical)

    100 Hz

    1 kHz

    10 kHz

    100 kHz

    1 MHz


-79 dBc/Hz

-82 dBc/Hz

-92 dBc/Hz

-102 dBc/Hz

-112 dBc/Hz
Remote Control (Rear Panel)
Comm Port RS-485 or RS-232C
Indicators (Front Panel)
Power On Green LED
Mute Yellow LED
Remote Yellow LED
Reference Yellow LED
Stored Fault Red LED
Fault Red LED
Test Points (Front Panel)
RF Sample SMA, -20 dBc Nominal
IF Sample BNC, -20 dBc Nominal
Optional L.O. Sample
Power
Voltage 90 to 250 VAC Auto ranging, optional -48 VDC
Frequency 47 to 63 Hz
Dissipation 60 W
Environmental
Temperature 32 to 122°F (0 to 50°C)
Altitude 10,000 Feet MSL
Humidity 0 to 95% Relative Humidity
Physical
Dimensions (1RU)(H x W x D) 1.75” x 19” x 22” (4.45 x 48.30 x 55.90 cm)
Weight 15 lbs (7.0 kg)
MTBF
49,740 hrs (calculated)
> 100,000 hrs. (field experience)
Summary Alarm
Relay Closure Form C

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