Re: A/V tranmitter and receiver
The TDA8722 (also look for the TDA8822), has an output level about 70 dBuV (in a 75 ohm system, it is approx. -37 dBm). This is not too much if you want to transmit it over an antenna. The chip is suitable for (analog) AM modulation for the video carrier, and FM modulation for the audio subcarrier. The classical TV demodulators need an input level about 80-100 dBuV, so you have to amplify the output signal of the IC (taking in account the loss between the antennas)
rgds,
Al