A 9 :4 satellite receiver switch in MCM-C/D technology
2000
In this paper we present the MCM implementation of a 9:4 satellite switch in MCM-C/ technology, operating at frequencies up to 2.4GHz. The MCM contains two ASIC switches, four DiSEqC controllers and an inverter. RF interconnections are realized as coplanar lines in order to obtain sufficient shielding and impedance control. With this implementation, it was possible to connect the ASIC outputs without a matching network due to the short distances. Also the DiSEqC controllers, formerly not included, could be moved into the module achieving a more complete partition and enhancing functionality towards digital switching. Measurements revealed that the fabricated module is fulfilling its specs, although a redesign is justified to fully exploit the technology's performance. With this switch MCM it is possible to double the functionality of a switch daughter card on the same form factor.
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