Distributed circuit and control method therefor

A distributed circuit comprising:

• a first transmission line that has an input end configured to receive an input signal;
• a second transmission line that has an output end configured to output an output signal;
• a plurality of unit cells that are disposed along the first and second transmission lines, input terminals of the plurality of unit cells being connected to the first transmission line, output terminals of the plurality of unit cells being connected to the second transmission line;
• two input termination resistors connected in parallel to an end of the first transmission line;
• and
• two output termination resistors connected in parallel to an end of the second transmission line,
• wherein at least one of the two input termination resistors is a temperature-gradient resistor,
• wherein at least one of the two output termination resistors is a temperature-gradient resistor,
• wherein voltages at the two input termination resistors are configured to be changed symmetrically, and
• wherein voltages at the two output termination resistors are configured to be changed symmetrically.

A method for controlling a distributed circuit, the method comprising:

• setting a voltage at a first input termination resistor terminal to (Vdc_in +Idc_in×R1_in), wherein the distributed circuit comprises:
• a first transmission line that has an input end configured to receive an input signal;
• a second transmission line that has an output end configured to output an output signal;
• a plurality of unit cells that are disposed along the first and second transmission lines, input terminals of the plurality of unit cells being connected to the first transmission line, output terminals of the plurality of unit cells being connected to the second transmission line;
• two input termination resistors connected in parallel to an end of the first transmission line;
• two output termination resistors connected in parallel to an end of the second transmission line, wherein at least one of the two input termination resistors is a temperature-gradient resistor, wherein at least one of the two output termination resistors is a temperature-gradient resistor, wherein voltages at the two input termination resistors are configured to be changed symmetrically, and wherein voltages at the two output termination resistors are configured to be changed symmetrically;
• the first input termination resistor terminal connected to a first input termination resistor of the two input termination resistors;
• a second input termination resistor terminal connected to a second input termination resistor of the two input termination resistors;
• an input-side contact to which the first input termination resistor and the second input termination resistor are connected;
• a first output termination resistor terminal connected to a first output termination resistor of the two output termination resistors;
• a second output termination resistor terminal connected to a second output termination resistor of the two output termination resistors;
• and
• an output-side contact to which the first output termination resistor and the second output termination resistor are connected;
• setting a voltage at the second input termination resistor terminal to (Vdc_in −Idc_in× R2_in);
• setting a voltage at the first output termination resistor terminal to (Vdc_out+Idc_out×R1_out);
• and
• setting a voltage at the second output termination resistor terminal to (Vdc_out−Idc_out×R2_out),
• wherein Vdc_in represents a voltage at the input-side contact, Idc_in represents a current at the input-side contact, R1_in represents resistance of the first input termination resistor, R2_in represents resistance of the second input termination resistor, Vdc_out represents a voltage at the output-side contact, Idc_out represents a current at the output-side contact, R1_out represents a resistance of the first output termination resistor, and R2_out represents a resistance of the second output termination resistor.

A method for controlling a distributed circuit, the method comprising:

• setting a voltage at a first input termination resistor terminal to (Vdc_in +Idc_in×R1_in), wherein the distributed circuit comprises:
• a first transmission line that has an input end configured to receive an input signal;
• a second transmission line that has an output end configured to output an output signal;
• a plurality of unit cells that are disposed along the first and second transmission lines, input terminals of the plurality of unit cells being connected to the first transmission line, output terminals of the plurality of unit cells being connected to the second transmission line;
• two input termination resistors connected in parallel to an end of the first transmission line;
• two output termination resistors connected in parallel to an end of the second transmission line, wherein at least one of the two input termination resistors is a temperature-gradient resistor, wherein at least one of the two output termination resistors is a temperature-gradient resistor, wherein voltages at the two input termination resistors are configured to be changed symmetrically, and wherein voltages at the two output termination resistors are configured to be changed symmetrically;
• a first input termination resistor terminal connected to a first input termination resistor of the two input termination resistors;
• a second input termination resistor terminal connected to a second input termination resistor of the two input termination resistors;
• an input-side contact to which the first input termination resistor and second other input termination resistor are connected;
• a first output termination resistor terminal connected to a first output termination resistor;
• a second output termination resistor terminal connected to a second output termination resistor;
• and
• an output-side contact to which the first output termination resistor and the second output termination resistor are connected;
• setting a voltage at the second input termination resistor terminal to [Vdc_in −(Idc_in−Icore_in)×R2_in];
• setting a voltage at the first output termination resistor terminal to (Vdc_out+Idc_out×R1_out);
• and
• setting a voltage at the second output termination resistor terminal to [Vdc_out−(Idc_out−I_core_out)×R2_out], wherein Vdc_in represents a voltage at the input-side contact, Idc_in represents a current at the input-side contact, Icore_in represents a current flowing from the input-side contact to a side of the unit cells, R1_in represents a resistance of the first input termination resistor, R2_in represents a resistance of the second input termination resistor, Vdc_out represents a voltage at the output-side contact, Idc_out represents a current at the output-side contact, Icore_out represents a current flowing from the output-side contact to the side of the unit cells, R1_out represents a resistance of the first output termination resistor, and R2_out represents a resistance of the second output termination resistor.