IBR-L 7 Satellite Beacon Receiver

Features

• Covers full, extended, L-band frequency range
• Works with, and locates inside, the INTRAC 105, 205, 305, 505 and 605
• Beacon frequency is set from INTRAC front panel or via INTRAC M&C port
• Power is supplied from the host INTRAC
• Minimum input level –80dBm
• Lock lost output
• Rapid Lock time (<1s)
• AFC range ? 80kHz

Overview

The IBR-L7 is designed to be fitted integral to the INTRAC range of antenna controllers, it is tuned to the nominal down converted L-Band beacon signal by the INTRAC.  The frequency may be set from the INTRAC front panel or from a remote control terminal.  

The receiver is a high performance FFT based unit that searches a range 80kHz either side of the nominal frequency for the largest signal in a 3kHz resolution bandwidth.  It continuously measures the level of that signal and passes it to the INTRAC unit as an analogue voltage. Lock time is under 1 second.

The INTRAC, in conjunction with the IBR-L7, uses sophisticated measuring techniques to track the satellite using the beacon level information.  The IBR-L7 unit is digitally controlled using advanced algorithms which ensure that the receiver locks rapidly and reliably onto the main beacon. 

The unit can be used to replace the earlier IBR-L5 in INTRAC controllers.