High frequency double pole double throw switch

A high frequency double pole double throw switch for receiving two different input signals at first and second input signal lines, respectively, and for switchingly outputting the two input signals from first and second output signal lines or from second and first output signal lines, respectively, comprising:

• a semiconductor substrate including an active region;
• first and second output signal electrodes disposed opposite each other in said active region and connected respectively to second and first output signal lines;
• a third output signal electrode disposed opposite the first input signal electrode so that the first input signal electrode is disposed between the second and third input signal electrodes in the active region and connected to at least one of the second input signal line and the second input signal electrode;
• first and second input signal electrodes disposed respectively between the second input signal electrode and the first input signal electrode and between the second output signal electrode and the third input signal electrode and connected respectively with first and second output signal lines;
• a first control signal electrode disposed between the first input signal electrode and the first output signal electrode and between the second input signal electrode and the third input signal electrode for switching input signals from the first and second input signal electrodes to the first and second output signal electrodes;
• and
• a second control signal electrode disposed between the second input signal electrode and the first output signal electrode and between the first input signal electrode and the second output signal electrode for switching input signals from the first, second and third input signal electrodes to the first and second output signal electrodes.

A high frequency double pole double throw switch for receiving two different input signals at first and second input signal lines, respectively, and for switchingly outputting the two input signals from first and second output signal lines or from second and first output signal lines, respectively, comprising:

• a semiconductor substrate including N active regions;
• N unit switching circuits (where N is an integer equal to at least two, each unit switching circuit comprising a first output signal electrode connected to a first output signal line, a first input signal electrode connected to a first input signal line, a second output signal electrode connected to a second output signal line, and a second input signal electrode connected to a second input signal line disposed in one of said active regions along a straight line perpendicular to the first output, first input, second output, and second input signal electrodes and a third output signal electrode disposed outside the N-th unit switching circuit;
• plural first control signal electrodes disposed respectively between a first input signal electrode and a first output signal electrode and between a second input signal electrode and a second output signal electrode for switching signals between the input and output signal electrodes;
• and
• plural second control signal electrodes disposed respectively between a first input signal electrode and a second output signal electrode and between a second input signal electrode and a first output signal electrode for switching signals between the input and output signal electrodes.

A high frequency double pole double throw switch for receiving two different input signals at first and second input signal lines, respectively, and for switchingly outputting the two input signals from first and second output signal lines or from second and first output signal lines, respectively, comprising:

• a semiconductive substrate including N active regions;
• N unit switching circuits (where N is an integer equal to at least two, each unit switching circuit comprising a second input signal electrode connected to a second input signal line, a first output signal electrode connected to a first output signal line, a first input signal electrode connected to a first input signal line, and a second output signal electrode connected to a second output signal line disposed in one of said active regions along a straight line perpendicular to the second input, first output, first input, and second output signal electrodes and a third input signal electrode outside the N-th unit switching circuit;
• plural first control signal electrodes disposed respectively between a first input signal electrode and a first output signal electrode and between one of a second input signal electrode, a third input signal electrode, and a second output signal electrode for switching signals between the input and output signal electrodes;
• and
• plural second control signal electrodes disposed respectively between a first input signal electrode and a second output signal electrode and between a second input signal electrode and a first output signal electrode for switching signals between the input and output signal electrodes.