make an entry in the table of contents for this lab. Measure the actual resistance of your resistors (unless you have already done so) and use them in place of the standard resistor values throughout the remainder of the lab. Thevenin’s Theorem states that we can replace entire network by an equivalent circuit that contains only an independent voltage source in series with an impedance (resistor) such that the current-voltage relationship at the load is unchanged. Norton’s Thereom is
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electrical circuit theory‚ Thevenin’s theorem for linear electrical networks states that any combination of voltage sources‚ current sources and resistors with two terminals is electrically equivalent to a single voltage source V and a single series resistor R. For single frequency AC systems‚ the theorem can also be applied to general impedances‚ not just resistors. Any complex network can be reduced to a Thevenin’s equivalent circuit consist of a single voltage source and series resistance connected to
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A 16.0 ohm and a 20.0 ohm resistor are connected in parallel. A difference in potential of 40.0 V is applied to the combination. p. Compute the equivalent resistance of the parallel circuit. 8.9 q. What is the total current in the circuit? 4.5V r. What is the current in the 16.0ohm resistor? 2.5 A 17. Describe how a permanent magnet differs from a temporary magnet. 18. A wire that is
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soldering to a printed circuit board‚ to create an electronic circuit with a particular function (for example an amplifier‚ radio receiver‚ or oscillator). Components may be packaged singly (resistor‚ capacitor‚ transistor‚ diode etc.) or in more or less complex groups as integrated circuits (operational amplifier‚ resistor array‚ logic gate etc.) Components Very often electronic components are mechanically stabilized‚ improved in insulation properties and protected from environmental influence by being
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Input and output logic levels Current sourcing and sinking capability Fan-out Noise margin The basic Classification of the Logic Families are as follows: Bipolar Devices MOS Devices Hybrid Devices Bipolar Families: 1. Diode Logic (DL) 2. Resistor Transistor Logic (RTL) 3. Diode Transistor Logic (DTL) 4. Transistor- Transistor Logic (TTL) 5. Emitter Coupled Logic (ECL) or Current Mode Logic (CML) 6. Integrated Injection Logic (IIL) MOS Families: 1. P-MOS Family 2. N-MOS Family 3.
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possible on the other end of the pcb board to fit the various components. Add a few clips to hold the legs in place once you’re happy with the positioning. Leave plenty of leg poking through the bottom since this will make it easier to solder the resistors later. Turn the board over and solder each of the legs to keep them in place. Flip the cube back over once all the legs have been soldered. Lastly we need to solder a lead from each of the levels down through the bottom of the board. Strip a piece
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current‚ and resistor measurements. One of which‚ is to use a standard multimeter to take measurements. However‚ all measurements in this lab report come from the digital NI ElVIS board. A. Resistance: Given three resistors of different color codes‚ the theoretical resistance can be found by apply the standard color code. Following this value‚ one can find the actual resistance by using the multimeter feature of NI ELVIS by attaching the positive and negative leads of the board to the resistor ends. Once
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and what these results mean. Let us start with our amplifier example: In this example‚ let us chose three elements where we want to see their effects on the Gain of the amplifier. These elements are: W (the width of the microstrip lines)‚ a resistor (R)‚ and a Capacitor (C). Since we chose three
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sound which is received by the condenser mic connected in the ckt. The LM386 is a power amplifier designed for use in low voltage consumer applications. The gain is internally set to 20 to keep external part count low‚ but the addition of an external resistor and capacitor between pins 1 and 8 will increase the gain to any value from 20 to 200. The inputs are ground referenced while the output automatically biases to one-half the supply voltage. The quiescent power drain is only 24 mill watts when operating
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and placed the components down flat. It might look neater if you draw the circuit diagram on to the board before you begin. A photo is included below. The components are from my junk box and I found that it works even if you omit that 4.7 Megohm resistor. Your results may vary. The transistor types are not critical and any n-p-n silicon transistors should work. Circuit Diagram Sound operated switch using a simple transistor circuit [pic] How it
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