Homework Answers
of circuit V Reconstruction D.7V N- vo DAV { loka Elkr 320kr 3 2oka +15v 0.7V TOK Loo 320kr ikr Il +15V 15v-10k II - 20k(I, - I2 ) = 0. -0+ -IKRC 12) - 204(1, -1)0->
I 1.30mA. I= 1021mA Nps 20k ( .I-T2). Vp: 1.80V Vo= 1.80 - Ooff Vo=1.18 ID = I2 = 1.21mA 6) The diode is taken in the active Region. clue to more vo Haqe is present or the Positive terminal of the diode. than negetive terminal of the diode . So the diode should have. Offset voltage of 0.7v . As a result the current (ID) is flowing from the diode . and the diode is replaced with Voltage Soure of voltage of V:
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Feolud 5251 - Exam 1 Name: (30 points) For the circuit shown, V,= 0.7 V. (a)...
Problem 3 (30 points): For the circuit in Fig. 3, v, has an RMS value of...
Problem 3 (30 points): For the circuit in Fig. 3, v, has an RMS value of 9.0 V and a frequency of 60 Hz. Assume that R-20 Ω and that V,-0.7 V for each diode. Vs R o Figure 3: Circuit for Problem 3 (10 points) 1. Find the maximum value of Vo 2. Find the value of C to guarantee a ripple voltage of 0.25 V or less. (10 points) 3. For what fraction of the time is the...
1. (30 points) Diodes in the circuit below have the cut-in voltage V, -0.7 V. Find...
1. (30 points) Diodes in the circuit below have the cut-in voltage V, -0.7 V. Find the output Vif a) (15 points) 7=1 mA. b) (15 points) 7 = 2 mA. Hint to immediately identify the operating mode (regime) of one diode: where does / flow? § 2 = 2 kB D {R = 5
Question 2 (6 points) D1 lkn Vout The circuit shown has Vs = 10 V. Assume...
Question 2 (6 points) D1 lkn Vout The circuit shown has Vs = 10 V. Assume the diode has Vp = 0.7 V at ID = 2 mA and VI = 25 mV. Use the iterative technique to find the diode current (do two iterations only). Use the diode current found to determine the value of Vout: Vout = 9.300 V Vout = 9.262 V Vout = 9.296 V Vout = 9.189 V
Part IIl: Diodes The Ideal-Diode Model a) For the circuit below, find ID and VD for the case VDD 5 V and R 10 k2. Assum...
Part IIl: Diodes The Ideal-Diode Model a) For the circuit below, find ID and VD for the case VDD 5 V and R 10 k2. Assume that the diode has a voltage of 0.7 V at 1-mA current. Use (a) iteration and (b) the constant-voltage-drop model with VD 0.7 V 홍Yo b) Design the circuit below to provide an output voltage of 2.4 V. Assume that the diodes available have 0.7-V drop at 1 mA. +10 V Vo
Part IIl:...
uestion 5 marks For the amplifier circuit shown, let Voo -5 V, v-0.7 V, and k-1 mA/V2, the circuit has a voltage gain o...
uestion 5 marks For the amplifier circuit shown, let Voo -5 V, v-0.7 V, and k-1 mA/V2, the circuit has a voltage gain of (-25 V/V) and an input resistance of (0.5ΜΩ). (a)Calculate Rg and RD (b)Determine Vov,ID (4 Mark) (4 Mark) (c) What is the maximum v,?' d)Sketch v,against voNr Vo ρη
uestion 5 marks For the amplifier circuit shown, let Voo -5 V, v-0.7 V, and k-1 mA/V2, the circuit has a voltage gain of (-25 V/V) and...
Problem 1 (25 points) Design a diode clamper circuit to generate the output Vo given the...
Problem 1 (25 points) Design a diode clamper circuit to generate the output Vo given the input signal Vi as shown in the figure below: VI Vo A 35 10 5 -20 Design the circuit for two cases: a) (15 points) Vy -0 b) (10 points) V,0.7 V
nsider the circult shown on the right. a) Which diodes are forward biased and which are...
nsider the circult shown on the right. a) Which diodes are forward biased and which are reverse biased? b) Assume 0.7 V drop across each forward- D1 -5V biased diode and find Vo. +5V D2 Vo +5VD3 -5V D4 Two ideal diodes are placed in a circuit shown on the 2. D1 120 D2 60 Va right: a) Determine which diodes conduct and which R 18 5.4V 5V ones do not b) Assume D1 and D2 both conduct. Find Va...
Please show all work. In the circuit shown: Vs = 7 V, Is = -3 mA,...
Please show all work.
In the circuit shown: Vs = 7 V, Is = -3 mA, R1 = 220 12, and R2 = 220 . Use the on/off diode model to find the diode current and voltage. + Yo- Answer ID = 15.8 mA and vp = 0.7 V.
Problem 3 (30 points): For the circuit in Fig. 3, te has an RMS value of...
Problem 3 (30 points): For the circuit in Fig. 3, te has an RMS value of 9.0 V and a frequency of 60 Hz. Assume that R--20 Ω and that 0.7 V for each diode. C R Figure 3: Circuit for Problem 3 1. Find the maximum value of V.. (10 points) 2. Find the value of C to guarante a ripple voltage of 0.25 V or less. (10 points) 3. For what fraction of the time is the diode...
2. For the circuit shown in Figure 4, assume the diode can be modelled by a...
2. For the circuit shown in Figure 4, assume the diode can be modelled by a Constant- Voltage Drop (CVD) (VD[on) = 0.7 V) for d.c analysis. 10 mA 5502 Zc = 0 int) DV D3 D2 V 100 sin(wt) mV vo(t) 1k 12 } 3k 22 Figure 4 (a) Determine the diode d.c current loi, Ioz, 103, Io and V. Check your assumptions. (b) Determine the output ac current, id and voltage, vd (c) Determine the output total current,...
Problem 3 (30 points): For the circuit in Fig. 3, v, has an RMS value of 9.0 V and a frequency of 60 Hz. Assume that R-20 Ω and that V,-0.7 V for each diode. Vs R o Figure 3: Circuit for Problem 3 (10 points) 1. Find the maximum value of Vo 2. Find the value of C to guarantee a ripple voltage of 0.25 V or less. (10 points) 3. For what fraction of the time is the...
1. (30 points) Diodes in the circuit below have the cut-in voltage V, -0.7 V. Find the output Vif a) (15 points) 7=1 mA. b) (15 points) 7 = 2 mA. Hint to immediately identify the operating mode (regime) of one diode: where does / flow? § 2 = 2 kB D {R = 5
Question 2 (6 points) D1 lkn Vout The circuit shown has Vs = 10 V. Assume the diode has Vp = 0.7 V at ID = 2 mA and VI = 25 mV. Use the iterative technique to find the diode current (do two iterations only). Use the diode current found to determine the value of Vout: Vout = 9.300 V Vout = 9.262 V Vout = 9.296 V Vout = 9.189 V
Part IIl: Diodes The Ideal-Diode Model a) For the circuit below, find ID and VD for the case VDD 5 V and R 10 k2. Assume that the diode has a voltage of 0.7 V at 1-mA current. Use (a) iteration and (b) the constant-voltage-drop model with VD 0.7 V 홍Yo b) Design the circuit below to provide an output voltage of 2.4 V. Assume that the diodes available have 0.7-V drop at 1 mA. +10 V Vo
Part IIl:...
uestion 5 marks For the amplifier circuit shown, let Voo -5 V, v-0.7 V, and k-1 mA/V2, the circuit has a voltage gain of (-25 V/V) and an input resistance of (0.5ΜΩ). (a)Calculate Rg and RD (b)Determine Vov,ID (4 Mark) (4 Mark) (c) What is the maximum v,?' d)Sketch v,against voNr Vo ρη
uestion 5 marks For the amplifier circuit shown, let Voo -5 V, v-0.7 V, and k-1 mA/V2, the circuit has a voltage gain of (-25 V/V) and...
Problem 1 (25 points) Design a diode clamper circuit to generate the output Vo given the input signal Vi as shown in the figure below: VI Vo A 35 10 5 -20 Design the circuit for two cases: a) (15 points) Vy -0 b) (10 points) V,0.7 V
nsider the circult shown on the right. a) Which diodes are forward biased and which are reverse biased? b) Assume 0.7 V drop across each forward- D1 -5V biased diode and find Vo. +5V D2 Vo +5VD3 -5V D4 Two ideal diodes are placed in a circuit shown on the 2. D1 120 D2 60 Va right: a) Determine which diodes conduct and which R 18 5.4V 5V ones do not b) Assume D1 and D2 both conduct. Find Va...
Please show all work.
In the circuit shown: Vs = 7 V, Is = -3 mA, R1 = 220 12, and R2 = 220 . Use the on/off diode model to find the diode current and voltage. + Yo- Answer ID = 15.8 mA and vp = 0.7 V.
Problem 3 (30 points): For the circuit in Fig. 3, te has an RMS value of 9.0 V and a frequency of 60 Hz. Assume that R--20 Ω and that 0.7 V for each diode. C R Figure 3: Circuit for Problem 3 1. Find the maximum value of V.. (10 points) 2. Find the value of C to guarante a ripple voltage of 0.25 V or less. (10 points) 3. For what fraction of the time is the diode...
2. For the circuit shown in Figure 4, assume the diode can be modelled by a Constant- Voltage Drop (CVD) (VD[on) = 0.7 V) for d.c analysis. 10 mA 5502 Zc = 0 int) DV D3 D2 V 100 sin(wt) mV vo(t) 1k 12 } 3k 22 Figure 4 (a) Determine the diode d.c current loi, Ioz, 103, Io and V. Check your assumptions. (b) Determine the output ac current, id and voltage, vd (c) Determine the output total current,...
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