| Abstract: | A multiport RF switch assembly with integrated impedance tuning
capability is described that provides a single RFIC solution to switch
between transmit and receive paths in a communication system. Dynamic
tuning is integrated into each switch sub-assembly to provide the
capability to impedance match antennas or other components connected to
the multiport switch. The tuning function at the switch can be used to
shape the antenna response to provide better filtering at the switch/RF
front-end (RFFE) interface to allow for reduced filtering requirements in
the RFFE. Memory is designed into the multiport switch assembly, allowing
for a look-up table or other data to reside with the switch and tuning
circuit. The resident memory will result in easier integration of the
tunable switch assembly into communication systems. |