RCA COFDM Transmitter Module

A large number of application engineering practices based on COFDM modulation technology and RCB and RC900 COFDM transmitter modules，We further optimize the COFDM modulation algorithm，Introduced RCA COFDM modulation mode with better RF transmission performance 。RCA module and RCB module structure、size、The appearance is fully compatible and consistent，More suitable for long-distance wireless video transmission applications。

Function Description：

• Input digital video stream through FPC_Main interface，Output COFDM modulated analog radio frequency signal through IPEX RF interface 。Can be configured as dual RF outputs，Default shipping single RF output；
• COFDM modulation parameters can be set through FPC_CON interface or FPC_Main interface
• Supported working frequency band：70MHz——4GHz(The default shipping frequency band is 200MHz~2.3GHz)
• COFDM modulation parameters：
  • Configurable convolutional coding ratio：1/2，2/3，3/4，5/6，7/8
  • Configurable Modulation：QPSK / QAM16 / QAM64
  • Configurable IFFT Mode：2K/8K
  • Configurable convolutional coding ratio：1/4，1/8，1/16，1/32
  • Configurable Bandwidth：1MHz~8MHz adjustable，1Configurable convolutional coding ratio
  • Configurable convolutional coding ratio：-2dbm ~ -90dbm
• two leds：The indicator light on the left flashes to indicate that data is being transmitted，On the right is the power indicator light
• COFDM transmit interface：5.5V~16V
• board size：50mm x 45mm
• board weight：13.4gram

RCA RF performance：

    RCA COFDM transmitter module has excellent RF performance，Its spectrum purity and modulation MER and other RF indicators are very good。Under the same transmission power and wireless environment，can be launched to a greater distance。

Mechanical Dimensions：

RCA module interface signal：

1)FPC_Main interface
FPC_Main is a 26PIN flat cable interface，It can be used as a connection path for transmitting video code stream/data between the RCA COFDM modulation module and the front-end video coding module or data module1。FPC_Main interface signal includes MCU serial port(For debugging/configuring modulation parameters)、SWD、SPI、FPGA JTAG、Ethernet(Video/Digital Signal Transmission)、At the same time, it has 2 bidirectional RS232 serial ports、Reset signal, etc.。

2)FPC_CON interface
The FPC_CON interface is a 14PIN flat cable flexible cable interface，Signals include 3.3V power output、IIC、SPI、UART、GPIO and other signals。FPC_CON interface can be used to connect external control panel。