High-frequency signal observations in electronic systems

A high-frequency signal observation circuit, comprising:

• a means for selecting an observation signal comprising a plurality of low-distortion multiplexers (MUXs) disposed according to a binary tree structure, wherein the means for selecting an observation signal is communicatively coupled to a high-speed input/output (I/O) circuit via a bypass data path and configured to receive a plurality of electronic input signals;
• and
• a means for providing a control signal coupled to the means for selecting the observation signal and the high-speed I/O circuit, wherein the means for providing the control signal is configured to:
• provide one or more selection control signals to the means for selecting the observation signal to select the observation signal among the plurality of electronic input signals;
• control the means for selecting the observation signal to provide the observation signal to the high-speed I/O circuit via the bypass data path;
• and
• provide a first output control signal to the high-speed I/O circuit to output the observation signal as an electronic output signal.

A method for observing a high-frequency signal, comprising:

• configuring an observation signal selection circuit to receive a plurality of electronic input signals;
• providing one or more selection control signals from a signal control logic to the observation signal selection circuit to select an observation signal among the plurality of electronic input signals using a plurality of low-distortion multiplexers (MUXs) arranged in a binary tree structure;
• outputting the observation signal to a high-speed input/output (I/O) circuit via a bypass data path;
• and
• providing a first output control signal from the signal control logic to the high-speed I/O circuit to output the observation signal.

An electronic system configured to enable high-frequency signal observation, comprising:

• a high-frequency signal observation circuit, comprising:
• a high-speed input/output (I/O) circuit configured to output an electronic output signal from an electronic system;
• an observation signal selection circuit comprising a plurality of low-distortion multiplexers (MUXs) disposed according to a binary tree structure, wherein the observation signal selection circuit is coupled to the high-speed I/O circuit via a bypass data path and configured to receive a plurality of electronic input signals from the electronic system;
• and
• a signal control logic coupled to the observation signal selection circuit and the high-speed I/O circuit, wherein the signal control logic is configured to:
• provide one or more selection control signals to the observation signal selection circuit to select an observation signal among the plurality of electronic input signals;
• control the observation signal selection circuit to provide the observation signal to the high-speed I/O circuit via the bypass data path;
• and
• provide a first output control signal to the high-speed I/O circuit to output the observation signal as the electronic output signal.