| 摘要 |
PROBLEM TO BE SOLVED: To provide a compact, high performance amplification circuit with coupling capacitors.SOLUTION: The amplification circuit comprises: an amplifier; a first coupling capacitor; a second coupling capacitor; a non-inverting input side input series resistor; an inverting input side input series resistor; a non-inverting input side resistance circuit; and an inverting input side resistance circuit. The amplification circuit further includes adjustment means for adjusting at least one of four values consisting of a voltage value of a DC bias voltage applied to the non-inverting input side resistance circuit, a voltage value of a DC bias voltage applied to the inverting input side resistance circuit, a resistance value of a resistive element constituting the non-inverting input side resistance circuit, and a resistance value of a resistive element constituting the inverting input side resistance circuit. |
