| 摘要 |
PROBLEM TO BE SOLVED: To provide a compounding integrator for changing the gain of a closed loop integration system to avoid the saturation of the system while maintaining the high gain of a linear part in the system. SOLUTION: This compounding integrator 10 includes an amplifier 12, a current source element 14 for generating a bias input signal Ib, bias circuits 20, 40 capable of supplying the signal Ib to the amplifier 12 and selectively changing the signal Ib, a storage element 52 connected to the amplifier 12, and a gain element 50 connected to the storage element 52 capable of generating an output signal determined by the voltage of the element 52. A voltage input signal Vin and a bias input signal Ib are supplied to the amplifier 12, which outputs an amplifier output signal Iout. The gain of the amplifier 12 can be selectively changed by changing the bias input signal Ib supplied to the amplifier 12 by the circuits 20, 40. |
