The DPA in Fig. 1 uses transistors with ẞ = 100. Evaluate the following: (a) The input differential resistance Rid (b) The overall differential voltage gain v/s (neglect the effect of r.). (c) The worst-case common-mode gain if the two collector resistances are accurate to within ±1%. (d) The CMRR, in dB. Fig.1 5 kft 5kf Rc-10 k +15 V Rc-10 kn R-1500 R-1500 R-200 k 1-1 mA

Introductory Circuit Analysis (13th Edition)
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Author:Robert L. Boylestad
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The DPA in Fig. 1 uses transistors with ẞ = 100. Evaluate the following:
(a) The input differential resistance Rid
(b) The overall differential voltage gain v/s (neglect the effect of r.).
(c) The worst-case common-mode gain if the two collector resistances are accurate to within ±1%.
(d) The CMRR, in dB.
Fig.1
5 kft
5kf
Rc-10 k
+15 V
Rc-10 kn
R-1500 R-1500
R-200 k
1-1 mA
Transcribed Image Text:The DPA in Fig. 1 uses transistors with ẞ = 100. Evaluate the following: (a) The input differential resistance Rid (b) The overall differential voltage gain v/s (neglect the effect of r.). (c) The worst-case common-mode gain if the two collector resistances are accurate to within ±1%. (d) The CMRR, in dB. Fig.1 5 kft 5kf Rc-10 k +15 V Rc-10 kn R-1500 R-1500 R-200 k 1-1 mA
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