A transponder assembly for use with fiber optic digital communication cables
having
multiple parallel optic fiber elements. The transponder assembly features separate
transmitter and receiver ports and an electrical connector for connecting with
computer or communication systems. The transponder assembly includes a parallel
optic transmitter module and a parallel optic receiver module. The assembly also
includes a circuit board on which a semiconductor chip useful for signal processing
and the electrical connector are mounted. A Flex circuit is used in connecting
the circuit board to the parallel optic modules. The semiconductor chip and electrical
connector are mounted directly across from one another on opposite surfaces of
the circuit board using ball grid arrays having overlapping attachment structures.
