+---------+ +---------+ | | | | +-------+ | UART +-------->+ si5351 +----->+ mixer +---------> 220Mhz | | | | +---+---+ +---------+ +---------+ | | | +-+-+ |LO | +---+ +------------+ +------------+ +-----------+ 220Mhz | 220Mhz LPF | |RF driver | |Power Amp | +------>+ BW = 6Mhz +-->+ +-->+ | +------------+ +------------+ +-----------+