RCB COFDM Transmitter Module

The RCB module is a COFDM wireless digital transmission modulation transmitter module developed by VCAN。Small size of the module、Rich interface，Suitable for various wireless data broadband digital transmission applications，Including UAV wireless high-definition digital image transmission application、Security wireless video long-distance transmission applications, etc.。

Function Description：

• Input digital video stream through FPC_Main interface，Output COFDM modulated analog radio frequency signal through IPEX RF interface；
• COFDM modulation parameters can be set through FPC_CON interface or FPC_Main interface
• Supported working frequency band：70MHz——6GHz(The specific frequency band is set before leaving the factory)
• 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：2MHz~8MHz adjustable，1Configurable convolutional coding ratio
  • Configurable convolutional coding ratio：-5dbm ~ -94dbm
• 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

achievementenergy block diagram：

Mechanical Dimensions：

RCB 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 RCB 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。

Digital high-definition wireless video transmission system：

Using RCB modules to build a COFDM digital high-definition wireless image transmission system(Dual PA Dual Antenna)schematic diagram：

Using RCB modules to build a COFDM digital high-definition wireless image transmission system(Single PA single antenna)schematic diagram：