題組內容

7.計算題(10分) Figure P7 shows that a bipolar differential amplifier with a bias current / = 0.5 mA utilizes transistors for which VA = 50 V and β = 100. The collector resistances Rc = 5 kΩ and the mismatch △Rc between the collector resistances is within 10%.
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7-2 (5 分) Find the common-mode rejection ratio (CMRR).