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:
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 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,...