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OPA27 OPA37电路功能方块图......
OPA27 OPA37平衡热电红外检测器电路图......
OPA27 OPA37磁传感器转速测量电路图......
Positive-peak detector正峰值检知器电路: R1 = 1 K, R2 = 1 M, C1 = 10 uF只有在I/P电位高于OP-端电位时, 才能使Q1导通, O/P电位继续升高.正峰值必须低于电源正......
OPA27 OPA37磁带头检测电路图......
High-pass filter 高通滤波器电路: C1 = 2*C2 = 0.02 uF, C2 = 0.01 uFR1 = R2 = 110 K6 dB Low-cut Freq = 100 Hz......
OPA27 OPA37长波红外检测电路图......
Adj. Q-notch filter 频宽可调型滤波器电路: R1 = R2 = 2 * R3C1 = C2 = C3 / 2Freq = 1 /(2π* R1 * C1)VR1调整负回授量, 越大则Q值越低。(表示频......
Wien-bridge Sine-wave Oscillator文桥正弦波震荡电路: R1 = R2, C1 = C2R3 与 D1, D2 Zener 产生定点压负回授Freq = 1 / (2π* R1 * C1)D......
Window detector窗型检知器电路: 当I/P电位高于OP1+端电位时, Led 1暗/Led 2亮当I/P电位高于OP2-端电位时, Led 1亮/Led 2暗只有当I/P电位高于OP2-端电位, 却又低于O......