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Comtech EF Data DT451X Ku-Band Downconverter

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  • Low Phase Noise
  • High Gain 45 dB
  • Detachable RF/IF connector module
  • Daisy Chain Redundancy Switching


SKU: SATRES-4471

DT-450X General Specifications
Frequency Range10.95 up to 12.80GHz
ConversionDual, No Inversion
Step Size125 kHz, 1 kHz Optional
Preset Channels32 Frequencies and gains
RF Input:

  Input Level

  Return Loss

  Impedance

  Noise Figure



-45 dBm Typical

20 dB Minimum with RF/IF Connector Module

50 Ohms

11 dB Max. @ 0 dB Attn.
Stability (Time)±1x10-9/Day
RF Output:

  Output Level

  Range

  Intermodulation

  Impedance

  Return Loss



+20 dBm @ 1 dB Comp.

52 to 88 or 104 to 176 MHz

-60 dBc @ 0 dBm Output SCL

50 or 75 Ohms

23 dB Minimum
Stability (over Temp)±1x10-8/Day
IF Output Spurious:

  Non-Carrier

  Carrier


-80 dBm

-65 dBc @ 0 dBm Output

Transfer:

  Gain

  Gain Adjust

  Gain Stability

  Ripple

  Slope

Image Rejection

AM to PM

IF Bandwidth


45 dB @ ±2 dB

0 to 20 in 0.25 dB Steps, 0.1 dB step Optional

±0.25 dB/Day

±0.25 dB (±18 MHz), 0.75 dB (±36 MHz)

0.05 dB/MHz

-80 dB Inband

0.1°./dB for Output up to -5 dBm

36MHz
External Ref.5 or 10 MHz @ +3 dBm

Optional Rear Panel Reference Output
Group Delay:

  Linear

  Parabolic

  Ripple


0.03 ns/MHz

0.01 ns/MHz2

1.0 ns Peak-to-Peak
Phase Noise:

  100 Hz

  1 kHz

  10 kHz

  100 kHz

  1 MHz



-66 Limit (dBc/Hz), -69 Typical (dBc/Hz)

-76 Limit (dBc/Hz), -79 Typical (dBc/Hz)

-86 Limit (dBc/Hz), -89 Typical (dBc/Hz)

-96 Limit (dBc/Hz), -99 Typical (dBc/Hz)

-106 Limit (dBc/Hz), -109 Typical (dBc/Hz)
Remote Control (Rear Panel)Comm Port RS-485 or RS-232C
Indicators (Front Panel):

Power On

Receive

Remote

On Line

Stored Fault

Fault


Green LED

Yellow LED

Yellow LED

Yellow LED

Red LED

Red LED

Test Points (Front Panel):

  RF Sample

  IF Sample


SMA, -20 dBc Nom.

BNC, -20 dBc Nom.
Power:

  Voltage

  Frequency

  Dissipation

  Power Option



90 to 250 VAC

47 to 63 Hz

60 Watts

-48 VDC
Environmental:

  Temperature

  Altitude

  Humidity


0 to 50° C.

10,000 Feet MSL

0 to 95% Relative
Physical:

  Width

  Height

  Depth

  Weight



19.0 In (48.26 cm)

1.75 In (4.44 cm)

22.0 In (55.88 cm)

25.0 lbs (11.40 kg)
MTBF49,740 hrs. (calculated) >100,000 hrs. (field experience)
Summary AlarmRelay Closure - Form C

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