A fourth-generation Apple TV with slightly smaller dimensions has been revealed in a recent Federal Communications Commission filing. The device, which appears to be the Apple TV3,2 discovered in iOS 6.1, features a length and width of 93.78 mm, compared to the current model’s 98 mm. A new model number, A1469, is also spotted on the illustration of the device. Another report notes the new device uses one antenna instead of two, and also is likely…