VCC RC1 RC2 Vout+ Vout Q1 NPN Q2 NPN Vin Vin- Q3 NPN Use VA-5V for...
3. Consider the following circuit. Q1 is identical to Q2 and p- 100. Q3 is identical to Q4 and B Assume VBE.on-0.7V, VT-25mV. oofor Q1 and Q3, and r, 400 k2 for Q3 and Q4. Vid Vil -Va for differential mode operation, Vicm Vil vi2 for common mode operation, Vo Vo2-Vol for differentially taken output (a) Design Ra to have the bias current lcs 2 mA. (b) Find the differential mode voltage gain for differentially taken output (As Vo/ Via)...
2. In the following current mirror circuit, Vcc -10V, and the three transistors, Q1, Q2, Q3, have the same saturation current (i.e.,IssIs), and with V for active mode is 0.7V. Then, the three beta values are given by: β91-100, ßQ2-50, and ßQ3-200. The thermal voltage is ντ-25mV. Assuming that you need an output current of i1mA: ref db (a) Find the collector, base, and emitter current for all three Q1 O2 transistors when ia 1mA. (b) Find the refern ie....
VCC 15.0V RB1 RC Cc2 Vout Q1 RL Cc1 Rsig 1HF Vsig 100mVrms 50kHz RB2 RE CE Fig. 1 npn BJT Common Emitter Amplifier 1. (15 points) Assume 8-100. Using the DC Model and assumptions, find VCE Ica. Show the model. 2. (20 points) Using the small signal model, find A RinRoz. Show the model. 3. 5 ooints) Determine the percent change in Ay if ro is included in the analysis. Assume VA 1V
VCC 15.0V RB1 RC Cc2 Vout Q1 4.7uF RL Cc1 Rsig 1kQ Vsig +100mVrms RB2 )50kHz RE CE Fig. 1 npn BJT Common Emitter Amplifier I. (15 points) Assume β-100. Using the DC Model and assumptions, find VcEQ, loa-Show the model 2. (20 points) Using the small signal model, find Av, Rin, Rout. Show the model 3. (5 points) Determine the percent change in Av if ro is included in the analysis. Assume VA 1V
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2. The TR parameters are: Beta= í 80, VBE(on)-0.7V, VA-infinite for V-100V for Q3 and Q4. Vs-infinite for Ql and Q2, (a) Determine R1 and R2 such that II-0.5mA and Ig-140uA (5pts) (b) Determine the common mode input resistance (Spts) (c) For RC-40kohm, determin e the common mode voltage gain (Spts) 410 V Rc ol 0, -10 V
2. The TR parameters are: Beta= í 80, VBE(on)-0.7V, VA-infinite for V-100V for Q3 and Q4. Vs-infinite for Ql and...