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2. In the following current mirror circuit, Vcc -10V, and the three transistors, Q1, Q2, Q3, have...
1. Consider the following current mirror combination, where all transistors have the same kn'(W/L...
1. Consider the following current mirror combination, where all transistors have the same kn'(W/L) = kp'(W/L) = 2mA/V2, and VTN-1У, VTP--1V. It is also given that VDD1-10V, VDD2-8V. Remember that for saturation the drain current is given by IDー½ k,"(W/L) (VGS-Yn)" for NMOS and ID ½ kp"(WL) (VGS-V,»)2 for PMOS. You can ignore the channel modulation for all transistors. (a) Find the value of R so that I.-1mA. (b) Are transistors Q1, Q2, Q3 in saturation? (c) What is the...
3. Consider the following circuit. Q1 is identical to Q2 and p- 100. Q3 is identical...
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)...
Consider the following current mirror combination, where all transistors have the same kn'(W/L) =...
Consider the following current mirror
combination, where all transistors have the same
kn'(W/L) =
kp'(W/L) =
2mA/V2, and VTN =
1V, VTP = -1V. It is also given that VDD1 =
10V, VDD2 = 8V. Remember that for saturation the drain
current is given by ID = ½
kn'(W/L)
(VGS –
VTN)2 for NMOS and
ID = ½
kp'(W/L)
(VGS –
VTP)2 for PMOS. You can
ignore the channel modulation for all transistors.
Find the value of R so that...
VCC RC1 RC2 Vout+ Vout Q1 NPN Q2 NPN Vin Vin- Q3 NPN Use VA-5V for...
VCC RC1 RC2 Vout+ Vout Q1 NPN Q2 NPN Vin Vin- Q3 NPN Use VA-5V for Q3, and VA-00 for Q1 and Q2. If IEE-1mA, Rc,-12711 Ω, and RC2-1271 2Ω, what is the common mode to differential mode conversion gain? What is the common mode rejection ratio? Use Vr = 26mV and β 100 . Assume IE=Ic tr all a ACM-DMl CMRR- dB
For the differential amplifier shown in Figure 6: Assume well-matched transistors and = 100 for all transistors: a) Wh...
For the differential amplifier shown in Figure 6: Assume
well-matched transistors and = 100 for all transistors:
a) Why it is important to use well-matched transistors in
differential amplifier circuits? What is the potential influence of
mismatched transistors on the performance of the differential
amplifier?
b) Determine the resistor values (R1, R2 and R3) such that the
emitter coupled current IE = 0.5 mA and VC1 = 3 V.
c) Draw the ac equivalent circuit for the single ended...
B= 0 VCC=10V The emitter current of Q1 is: Rc 315 A) 365 A B) 965...
B= 0 VCC=10V The emitter current of Q1 is: Rc 315 A) 365 A B) 965 A C) 1.97 mA D) 2 mA OVc=? 10K The collector voltage Vc is: R3 A) -4.8 V B) -0.7 V C) 0.7 V D) 2.9 V w VCC=-100
explain the process Lab Preparation 1. Using DC analysis, and assuming that the transistors (QREF and...
explain the process
Lab Preparation 1. Using DC analysis, and assuming that the transistors (QREF and Q are in the active mode, determine the value of RREF required for generating a copy current of 0.755 mA. Take the value of Vcc to be 8 V, and the value of V in the active mode to be equal to 0.7V Qi REF RREF Vout In Figure 3 Single-stage amplifier biased by a simple current mirror device 2. The circuit shown in...
Calculate Iref using values given VCC 10V REF R1 915kΩ R4 Q1 Q2 Fig. 1 A...
Calculate Iref using values given
VCC 10V REF R1 915kΩ R4 Q1 Q2 Fig. 1 A basic current source. Both BJT NPN devices have the same base-emitter junction area and β=100.
4. Show that the current transfer ratio is equal to: CE2 REFV for the basic BJT Current Mirror sh...
4. Show that the current transfer ratio is equal to: CE2 REFV for the basic BJT Current Mirror shown next when the junction ratio between Q 2 and Q1 is equal to n # 1. In the above equation, VB is the voltage between base and emitter when the transistor is in active mode, V z is the voltage between collector and emitter at the rightmost transistor, and V is the Early voltage. REF Note: For this problem we are...
) The current-mirror circuit shown in Figure 3 utilizes pnp transistors having Isl 10-5A and/s2-2...
) The current-mirror circuit shown in Figure 3 utilizes pnp transistors having Isl 10-5A and/s2-2x10-5A for transistors Q1 and Q2 respectively and for both transistors a β 50, and |Val 10 V to source a current at Vo.It is required to design the circuit to provide an output current oflo= 1 mA at Vo = 2 V. What values of REF and R are needed? 0i 02 /REF lo
) The current-mirror circuit shown in Figure 3 utilizes pnp transistors...
1. Consider the following current mirror combination, where all transistors have the same kn'(W/L) = kp'(W/L) = 2mA/V2, and VTN-1У, VTP--1V. It is also given that VDD1-10V, VDD2-8V. Remember that for saturation the drain current is given by IDー½ k,"(W/L) (VGS-Yn)" for NMOS and ID ½ kp"(WL) (VGS-V,»)2 for PMOS. You can ignore the channel modulation for all transistors. (a) Find the value of R so that I.-1mA. (b) Are transistors Q1, Q2, Q3 in saturation? (c) What is the...
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)...
Consider the following current mirror
combination, where all transistors have the same
kn'(W/L) =
kp'(W/L) =
2mA/V2, and VTN =
1V, VTP = -1V. It is also given that VDD1 =
10V, VDD2 = 8V. Remember that for saturation the drain
current is given by ID = ½
kn'(W/L)
(VGS –
VTN)2 for NMOS and
ID = ½
kp'(W/L)
(VGS –
VTP)2 for PMOS. You can
ignore the channel modulation for all transistors.
Find the value of R so that...
VCC RC1 RC2 Vout+ Vout Q1 NPN Q2 NPN Vin Vin- Q3 NPN Use VA-5V for Q3, and VA-00 for Q1 and Q2. If IEE-1mA, Rc,-12711 Ω, and RC2-1271 2Ω, what is the common mode to differential mode conversion gain? What is the common mode rejection ratio? Use Vr = 26mV and β 100 . Assume IE=Ic tr all a ACM-DMl CMRR- dB
For the differential amplifier shown in Figure 6: Assume
well-matched transistors and = 100 for all transistors:
a) Why it is important to use well-matched transistors in
differential amplifier circuits? What is the potential influence of
mismatched transistors on the performance of the differential
amplifier?
b) Determine the resistor values (R1, R2 and R3) such that the
emitter coupled current IE = 0.5 mA and VC1 = 3 V.
c) Draw the ac equivalent circuit for the single ended...
B= 0 VCC=10V The emitter current of Q1 is: Rc 315 A) 365 A B) 965 A C) 1.97 mA D) 2 mA OVc=? 10K The collector voltage Vc is: R3 A) -4.8 V B) -0.7 V C) 0.7 V D) 2.9 V w VCC=-100
explain the process
Lab Preparation 1. Using DC analysis, and assuming that the transistors (QREF and Q are in the active mode, determine the value of RREF required for generating a copy current of 0.755 mA. Take the value of Vcc to be 8 V, and the value of V in the active mode to be equal to 0.7V Qi REF RREF Vout In Figure 3 Single-stage amplifier biased by a simple current mirror device 2. The circuit shown in...
Calculate Iref using values given
VCC 10V REF R1 915kΩ R4 Q1 Q2 Fig. 1 A basic current source. Both BJT NPN devices have the same base-emitter junction area and β=100.
4. Show that the current transfer ratio is equal to: CE2 REFV for the basic BJT Current Mirror shown next when the junction ratio between Q 2 and Q1 is equal to n # 1. In the above equation, VB is the voltage between base and emitter when the transistor is in active mode, V z is the voltage between collector and emitter at the rightmost transistor, and V is the Early voltage. REF Note: For this problem we are...
) The current-mirror circuit shown in Figure 3 utilizes pnp transistors having Isl 10-5A and/s2-2x10-5A for transistors Q1 and Q2 respectively and for both transistors a β 50, and |Val 10 V to source a current at Vo.It is required to design the circuit to provide an output current oflo= 1 mA at Vo = 2 V. What values of REF and R are needed? 0i 02 /REF lo
) The current-mirror circuit shown in Figure 3 utilizes pnp transistors...
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