In further embodiments, {HEAD ~ the card} may include {TAIL ~ active circuit elements} for switching, powering or processing signals, and passive circuit elements for filtering, matching or damping signals, so that few or no connections to outside circuitry are required 
In further embodiments , { HEAD ~ the card } may include { TAIL ~ active circuit elements } for switching , powering or processing signals , and passive circuit elements for filtering , matching or damping signals , so that few or no connections to outside circuitry are required
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH