High frequency differential single pole multiple throw switch module

A device for switching a differential signal within an operating frequency range, comprising:

• a first signal path from a first signal component of a differential input port to a first micro electromechanical system (MEMS) switch input of a first MEMS switch, and from a first MEMS switch output of the first MEMS switch to a first signal component of a differential output port;
• a second signal path from a second signal component of the differential input port to a second MEMS switch input of a second MEMS switch, and from a second MEMS switch output of the second MEMS switch to a second signal component of the differential output port;
• each of the first signal path and the second signal path is distributed through at least two layers of electrical conductors, with adjacent layers of electrical conductors separated by electrically insulating layers;
• an electrical length of the first signal path is substantially the same as an electrical length of the second signal path;
• and
• a spatial orientation of the first signal path is matched to a spatial orientation of the second signal path such that an impedance of the first signal path at a frequency within the operating frequency range is substantially the same as an impedance of the second signal path at the frequency within the operating frequency range.

A device for switching a differential signal, comprising:

• a first micro electromechanical system (MEMS) switch mounted on a multi-layer assembly, the first MEMS switch having a first MEMS switch input that is selectively electrically coupled to one of a first MEMS switch first output and a first MEMS switch second output;
• a second MEMS switch mounted on the multi-layer assembly, the second MEMS switch having a second MEMS switch input that is selectively electrically coupled to one of a second MEMS switch first output and a second MEMS switch second output;
• the multi-layer assembly having a top surface, a bottom surface, a first edge, a second edge, a third edge, and a fourth edge, the first and second edges being opposite one another and the third and fourth edges being opposite one another, the multi-layer assembly comprising:
• at least two layers of electrically conductive material, each adjacent pair of layers of electrically conductive material separated by an electrically insulating layer;
• an input port disposed at the first edge, the input port comprising a first input conductor and a second input conductor;
• a first output port disposed on the second edge, the first output port comprising a first output conductor and a second output conductor;
• a second output port disposed on the second edge, the second output port comprising a third output conductor and a fourth output conductor;
• the first input conductor is electrically coupled to the first MEMS switch input through a first input signal path on one of the at least two layers of electrically conductive material;
• the first MEMS switch first output is electrically coupled to the first output conductor by a first output signal path that passes through two or more of the at least two layers of electrically conductive material;
• the first MEMS switch second output is electrically coupled to the third output conductor by a second output signal path that passes through two or more of the at least two layers of electrically conductive material;
• the second input conductor is electrically coupled to the second MEMS switch input through a second input signal path on the one of the at least two layers of electrically conductive material;
• the second MEMS switch first output is electrically coupled to the second output conductor by a third output signal path that passes through two or more of the at least two layers of electrically conductive material;
• and
• the second MEMS switch second output is electrically coupled to the fourth output conductor by a fourth output signal path that passes through two or more of the at least two layers of electrically conductive material;
• the first input signal path and the second input signal path are configured such that impedance characteristics of the first input signal path and impedance characteristics of the second input signal path are substantially the same.