Changes

In the miniature layout seen below a bypass diode (1N4001) was also added to the supply input. This diode protects the IC in case the user wrongly connects the power the circuit, which would otherwise result in the AD724 being fried. This diode isn't currently shown in the schematics, nor is it included in the large S-Video plus composite layout below. (Schematics and large layout , but will be modified added soon).