BRIEF DESCRIPTION OF THE DRAWINGS
These and other objects, advantages and features of the invention will become apparent from the following description thereof taken in conjunction with the accompanying drawings that illustrate a specific embodiment of the invention. In the Drawings:
FIG. 1 is a diagram showing an amplifier circuit according to the conventional technology;
FIG. 2 is a diagram showing gain-frequency characteristic of the amplifier circuit according to the conventional technology;
FIG. 3 is a diagram showing an amplifier circuit according to the first embodiment;
FIG. 4 is a detailed circuit diagram of the amplifier circuit;
FIG. 5 is a diagram showing gain-frequency characteristic of an amplifier circuit;
FIG. 6 is a diagram showing an amplifier circuit according to the second embodiment;
FIG. 7A is a diagram showing an amplifier circuit according to the third embodiment;
FIG. 7B is a diagram showing a detailed structure of a buffer circuit;
FIG. 8 is a diagram showing an amplifier circuit according to the fourth embodiment;
FIG. 9 is a diagram showing an amplifier circuit according to the fifth embodiment;
FIG. 10 is a diagram showing a detailed structure of an operational amplifier;
FIG. 11 is a diagram showing an amplifier circuit according to the sixth embodiment;
FIG. 12 is a diagram showing an amplifier circuit according to the sixth embodiment;
FIG. 13 is a diagram showing an amplifier circuit according to the eighth embodiment;
FIG. 14 is a diagram showing an amplifier circuit according to the ninth embodiment;
FIG. 15 is a diagram showing an amplifier circuit according to the tenth embodiment; and
FIG. 16 is a diagram showing an amplifier circuit according to the eleventh embodiment.