ASC902LE Full Duplex 70MHz to L-Band Converter

Atlantic Satellite

ASC902LE Full Duplex 70MHz to L-Band Converter

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  • Model ASC 401LE L-Band to 70MHz Down Converter
  • Model ASC 501LE 70MHz to L-Band Up Converter
  • Ideal for low data rate applications

  • 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.

Model ASC 501LE 70MHz to L-Band Up Converter

The Model ASC501LE Up Converter is a high performance unit that is designed to up convert a 70 MHz (52 to 88 MHz) base band input signal to the output frequency band of 950 to 1750 MHz. The output signal then may be interfaced to the final power stage of a satellite RF transmitter (SSPA or BUC). The system performance makes the ASC501LE ideal for low data rate applications. The LE Series half-rack width permits mounting ether two of the same units or a combination of our ASC501LE Up Converter and our ASC401LE Down Converter (Model ASC902LE) side by side in one rack mount unit.

Model ASC 401LE L-Band to 70MHz Down Converter
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
Model ASC 501LE 70MHz to L-Band Up Converter
Output Frequency 950 to 1750 MHz
Spectrum Non-inverted
Output Bandwidth 36 MHz
Output Level -15 dBm Max @ -25dBm Input
Output Mute < - 50 dBc on frequency change
Input Frequency 52 to 88 MHz
Input Level -15 to - 35 dBm,-25 dBm, Typical
Frequency Tuning 125 kHz Steps
Frequency Adjust Front Panel or Remotely
Input Impedance 50 Ohm
Input Connector BNC, Female
Output Impedance 50 Ohm
System Level Gain 10 dB Max, Typical
Output Connector Type-N, Female
System Level Attenuation 0 to 25 dB, 1 dB Steps
Frequency Stability + 0.5 ppm
Input & Output Return Loss 15 db
Spurious Response - 55dBc modulated
(carrier related)
65 dBm un-modulated (non carrier)
Signal Phase Noise < - 80 dBc/Hz, 1 kHz from Carrier (Meets IESS308/309)
Alarms Unit Lock
Alarm Relay Form-A
Front Panel Display LCD with backlight
M&C RS-232 or RS-422
Switchable on rear panel
M&C Connector DB-9, Female
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, 2.7 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
Options
A. External Freq. Ref. (Multiplexed on Output Center Conductor)
Frequency 10 MHz
Level +4 dBm, Typical
Phase Noise 10 Hz, -90dBc/Hz
Stability + 1 X 10 -8 ppm
B. BUC Power (Multiplexed Output Center Conductor)
Voltage + 24 VDC
Power 65 W, max
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)
The 10 MHz reference is auto switched to internal when no external reference is available or less than –10 dBm.

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