ASC401LE 950 – 1750 MHz Down Converter

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ASC401LE 950 – 1750 MHz Down Converter

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  • Output Frequency – 52 to 88 MHz
  • Input Frequency – 950 to 1750 MHz to the 70 MHz
  • Input Connector – Type-F, Female / 50 Ohm Type N Female (Option B)

  • Description
  • Technical Specifications
  • Support Documents

Model ASC 401LE L-Band to 70MHz Down Converter

The Model ASC401LE Down Converter is a high performance unit that is designed to down convert an input signal in the frequency band of 950 to 1750 MHz to the 70 MHz (52 to 88 MHz) base band output. The output signal then may be interfaced to an external 70 MHz customer supplied receive equipment. The LE Series half-rack width permits mounting ether two of the same units or a combination of our ASC401LE Down Converter and our ASC501LE Up Converter (Model ASC902LE) side by side in one rack mount unit.

Systems Specifications
Output Frequency 52 to 88 MHz
Spectrum Inverted/Non-Inverted, Switchable
Output Bandwidth 36 MHz
Input Frequency 950 to 1750 MHz
Frequency Tuning 125 kHz Steps
Frequency Adjust Front Panel or Remotely
Input Level - 45 to - 65 dBm
Input Impedance 75 Ohm
Input Connector Type-F, Female
Input Connector (Option B) 50 Ohm Type N Female
Output Impedance 50 Ohm
Output Connector BNC, Female
System Gain 25 dB (Max.)
Input & Output Return Loss 15 dB
Spurious - 55 dBc modulated (carrier related)
- 60 dBm un-modulated (non carrier)
System Attenuation Adjust 0 to 25 dB, 1dB Steps
Frequency Stability +0.5 ppm
Phase Noise < - 80 dBc/Hz, 1 kHz from Carrier (Meets IESS308/309)
Alarms Unit Lock
Alarm Relay Form-A Normally Closed
External LNB Power (Option A) +18VDC, Switchable In- Out, 300 ma, max. (+24 VDC is also an option)
Front Panel Display LCD with backlight
M&C RS-232 or RS-422, Switchable
M&C Connector DB-9, Female
Option C: 10 MHz Ref. Input
Input Level +10 to –10 dBm
Input connector BNC, 50 Ohm Female
Auto Switched Internal/External
External Stability +100 Hz (+10 ppm)
Physical Characteristics
Size 1.75”H X 16.00”D X 8.50”W
Weight 4 lb. (1.82 kg)
Primary Power 85 - 264 VAC 50-60Hz, 2 A
Auto-Sensing
Environmental Specifications
Operating Temperature 0 0 c to +50 0 c
Storage Temperature -40 0 c to +70 0 c
Humidity 95% RH@ 40 0 c

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