Line receive module

The Line receive module processes the basic signals from the receive coils. The module filters amplifies the basic Ball-signal up to a level of 1Volt, before it is digitized into a processor, which detects a ball after synchronous detection and ball-bounce filtering to avoid spurious disturbances. The primary and secondary coil compensators are also active in this block in order to compensate for slow variations i.e. due to temperature variations over the court.