分析了复合运放提高性能的原理，利用两运算放大器设计了高性能复合放大器，以构成理想的积分电路。
By analyzing the principle of compound operational amplifier, a high performance amplifier is designed by using two operational amplifiers, so an idea integrator is achieved.
运算放大器广泛应用于电路设计中，其可靠性指标直接影响电路系统的性能。
Operational amplifiers are widely used in circuit design its reliability is of great importance to the performance of circuits.
这两个法则使我们可以设计许多电路而无须深入了解运算放大器的内部特性。
These two principles allow one to design many circuits without a detailed understanding of the device physics.
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