Rockwell Collins TTR-920 TCAS Receiver Transmitter P/N 622-8971-522 For Sale

Rockwell Collins TTR-920 TCAS Receiver Transmitter P/N 622-8971-522


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Rockwell Collins TTR-920 TCAS Receiver Transmitter P/N 622-8971-522:
$899

Rockwell Collins TTR-920 TCAS Receiver Transmitter P/N 622-8971-5222 pcs available , $899 for each

The TTR-920 Transmitter-Receiver contains circuits for receiving, transmitting, signal processing (including computing), and interfacing with other components of the TCAS-94 system. A frequency source generates 1030 MHz for the transmitter output and receiver local oscillator with a receive frequency of 1090 MHz. The receiver has four individual RF and IF sections, one for each of the four directional segments of the TRE-920 directional antenna. At the receiver detector, the signals are combined to allow received-signal bearing information to be determined. This information is passed to the signal processor. The transmitter is a six-stage, solid-state circuit that develops 1800 watts. The phase of the four output signals shapes and points the beams, or generates an omnidirectional pattern. The TTR-920 requires two antennas; one must be mounted on top of the aircraft fuselage and the other on the bottom.

All TTR-920 units require ARINC 429 control format. Control data is generated in the TCAS control and is supplied through the active Mode S transponder. The TTR-920 is 7.64 inches in height, 7.77 inches in width, 15.26 inches in length, and weighs 19.8 pounds max requiring convection cooling and not forced air.




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