Electronic circuit for configuring amplifying circuit configured to output voltage including low noise

An electronic circuit comprising:

• a first current generating circuit configured to output a first operating current based on an operating voltage, the first operating current including a first current and a second current;
• a load circuit configured to output a third current and a fourth current that corresponds to the third current based on the operating voltage;
• and
• an input circuit configured to:
• based on a first input voltage, conduct the first current and a fifth current that includes the first current and the third current;
• and
• based on a second input voltage, conduct the second current and output a sixth current, and
• wherein the electronic circuit is configured to generate an output voltage that is associated with a difference between the first input voltage and the second input voltage based on the second current, the fourth current and the sixth current.

An electronic circuit comprising:

• a first transistor configured to conduct a first current generated based on an operating voltage and a first input voltage;
• a second transistor configured to conduct a second current generated based on the operating voltage and a second input voltage;
• a third transistor configured to conduct the first current and a third current generated based on the operating voltage and the first input voltage;
• and
• a fourth transistor configured to conduct a fourth current based on the second input voltage,
• wherein the electronic circuit is configured to generate a fifth current that corresponds to the third current, and generate an output voltage that is associated with a difference between the first input voltage and the second input voltage based on the fifth current, the second current and the fourth current.