DJI PHANTOM 3 OFDM RECEIVER MODULE

– DJI Phantom 3 Part 35 OFDM Receiver Module (Pro/Adv)

SKU: SKU-0801

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Description

DJI PHANTOM 3 OFDM RECEIVER MODULE

Buy DJI PHANTOM 3 OFDM RECEIVER MODULE from UAEDUBAI  with best prices to get  Fast Delivery to Dubai, Sharjah, Abu Dhabi, Ajman, Al Ain, and Ras Al Khaimah.

Features

Replace a damaged or malfunctioning OFDM receiver board in a DJI Phantom 3 Pro or Phantom 3 Advanced drone. This circuit board module receives OFDM (orthogonal frequency-division multiplexed) digital data.

DJI PHANTOM 3 OFDM RECEIVER MODULE

Includes Vision Positioning System and OFDM Receiver Module, compatible with Phantom 3 Professional and Phantom 3 Advanced.
Vision Positioning System has an operating voltage of 5 V and vertical measurement accuracy of ±0.1 m (within the working range of ultrasonic waves). Operating range of 50–300 cm, altitude range of 50–300 cm, operable in brightly lit environments (lux > 15) and on patterned surfaces, and velocity range is below 8 m/s (2 m above ground). OFDM Receiver Module has an operating frequency of 2.4 GHz ISM and supports real-time video downlinks of 720p @30fps.

DJI OFDM Receiver Module for Phantom 3 Professional / Advanced

Thick lines present propagation of video data. The live video feed comes from Gimbal top board through ribbon cable. It is wrapped with USB packets, so first the USB deserializer handles it and prepares input data for the FPGA. The FPGA, during power-on initialization, loaded a bitstream from Serial Flash, and became a digital data encoder for the Lightbridge protocol. It prepares the video data and telemetry to be sent through radio channel, and supplies it to WiMAX Transceiver, from where the modulated signal is amplified and sent toward antennas.

The antennas can also receive DUML packets from the RC, in which case the input RF signal is amplified through LNA, received through WiMAX Transceiver, and provided to the FPGA for error correction and unscrambling. The DUML packets are provided to the Lightbridge Main Controller Unit, and from there routed either to Flight Controller on ESC center board or to Gimbal top board.

The MCU micro-controller is responsible for configuring the transmission by sending SPI commands to the WiMAX Transceiver, and setting logic signals on some configuration lines of the FPGA. In case of firmware update, the MCU accepts not only its own firmware, but also flashes the chip containing FPGA bitstream. Surprisingly, it does not update the firmware of the USB deserializer – that is routed through the Gimbal board and DaVinci chip, and reaches its destination through the USB link, the same one which transfers live video feed data.

 

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