5 Determine Vin(max) of the Zener diode circuit as shown below so that it can keep regulation. Assuming Izk = 0.25 mA, Pmax=1 watt, Vz=10 v R 220 N VIN IN4740A 10 V
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- what is the schemtic diagram of TP4056 and Li-ion battery when they connect to each other. The picture given belowThe waveform given below is observed on the screen of a CRO. If the time/div switch is set at 10 µsec and the volt/div at 200 mV, the frequency and peak to peak voltage are, respectively. -1.5 -1 -1- -2- 2 1 1 1.5 21. For a 60Hz, 9Vms AC input, with 250 Ohms load, determine VDc across the load, for FWR power supply, (show the required circuit). Draw the waveform on the load. 2. If C=200uf, filter capacitor is applied across the load: Calculate Vpp ripple and VDc, for the load. 3. Determine PIV on the diodes 4. If one of the diodes become open, what would be VDc and V, load. across the load, with & without capacitor. Draw the waveform on the fms,
- Design the power supply using diode components. This power supply sholud have 2 outputs. 12Vdc and 5Vdc. Input 240 Vac Supply i. Draw the circuit diagram ii. Bill of material/components that will be used iii. Teh output waveform for each stageIn the emitter follower, the output (emitter) voltage is 0.7V below the input (base) voltage. One way to remove this offset is to use a diode as shown below left. Suppose our input V=2V. Assume beta = 100, VcE,SAT=0V, VBE,ON=0.7, and diode V;=0.7. +5V +5V 1000 R, 1N4148 500 100 Scattering Limit o Vo 10 V; o- RL=10 R2 T, = 25 °C 0.1 1K 0.4 0.8 1.2 1.6 2.0 V. - Forward Voltage (V) 94 9170 a. Determine VB and V. b. Verify your assumed state of the BJT from (a) c. Verify your assumed state of the diode from (a) d. To provide good matching between the diode V; and VBE,ON, we need to have at least 1mA passing through Ip, as shown in the datasheet figure above right. What is the maximum V; for which Ip is at least 1mA? To increase this limit, should we change R1 or R2 and in what direction (increase or decrease)? , - Forward Current (mA)Silicon BJT (β=120) and Germanium BJT (β=120) VCE in circuitCalculate its value. Comment the circuit
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- For a HWR circuit using silicon diode, with a load resistance of 2k ohms. If the 50Hz sinusoidal wave input peak is 250volts, then the peak inverse voltage is a. 70.7v b. 500v c. 250v d. 141.4v3 A peak rectifier (peak tollower) Cir cuit is gian below. Vs is a GOH3 Sinuscidal Vollge with peak value Upz50V. 50V. The load resistance R= Sk . Find the Vallke of the capacitance C Such that the peak- to-peak ripple 2 volts. (idenl diede) Voltage Vr Vs05: [insert description] Assume 0.6 V for all diodes if forward bais, reverse breakdown voltages are given, sketch IV curves for circuits. Given: ZA 6.8 V (a) (b) I DA (c) 5.6 V 5.6 V