Abstract: A switch matrix circuit module for routing signals. In an example, the module includes a switch matrix coupled with first and second switches. The switch matrix is configured to receive a plurality of input signals, and output a selected one of the plurality of input signals as a first intermediate signal and another selected one of the plurality of input signals as a second intermediate signal. The first switch receives the first intermediate signal and a first auxiliary signal, and outputs a first output signal, and the second switch receives the second intermediate signal and a second auxiliary signal, and outputs a second output signal. A number of the modules can be coupled together to provide a switch matrix circuit, which can be readily scaled by adding further modules. In an example, the plurality of input signals are radio frequency (RF) signals.

Abstract: A switch matrix structure for planar circuitry such as printed circuit boards and integrated circuits includes a plurality of signal dividers and a plurality of switches. Each signal divider is configured to receive a corresponding input signal and generate a corresponding plurality of divider output signals. Each switch is configured to receive a corresponding divider output from a corresponding signal divider. Each switch is configured to provide a corresponding output signal such that a plurality of output signals are generated by the plurality of switches. In an example, the plurality of switches are arranged in a column, with a first subset of the plurality of signal dividers on a first side of the column, and a second subset of the plurality of signal dividers on a second side of the column. In an example, such a routing configuration reduces a number of routing layers and/or a number of via transitions.

Abstract: Techniques are provided for tuning over a broad radio frequency (RF) bandwidth. A tuner implementing the techniques according to an embodiment includes an input module compromising a single-conversion superheterodyne receiver to convert a first RF signal to a processed RF signal by frequency translating from a first frequency range to a lower second frequency range. The input module is also configured to receive a second RF signal occupying the second frequency range and provide the second RF signal as a pass-through RF signal. The tuner also includes a down-conversion module to convert the processed RF signal to a first intermediate frequency (IF) signal by frequency translating the processed RF signal from the second frequency range to a lower third frequency range, and to convert the pass-through RF signal to a second IF signal by frequency translating the pass-through RF signal from the second frequency range to the third frequency range.