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      "author": "mhoo91",
      "permlink": "electronics-tutorial-am-concept",
      "title": "Electronics Tutorial -- \"AM Concept\"",
      "body": "#### What Will I Learn?\n\n\n- Learn about the Basic Signal mixing in Communication System\n- Learn how to construct a diode modulator circuit in Circuit Simulator Applet\n- Learn how to construct the circuit in Actual Experiment\n- Learn About how Amplitude Modulation Works\n\n#### Requirements\n\n- Circuit Simulator Applet\n- Electronics Components: Wires, Resistors: \"1K ohms - 3pcs\", Capacitor: \"220nF & 1uF \", Inductor:\"2.5mH - 1pc\", Diode: \"1N4001 or 1N4007 - 1pc\"\n- Electronics Laboratory Equipments: Digital Trainer, Oscilloscope, Digital Multi-Testers and\ntwo Function Generators\n\n#### Difficulty\n- Intermediate\n\n#### Tutorial Contents:\n\n#### Abstract\n In this tutorial we are able to know how a signal is being mix through the use of diode modulator circuit the main purpose of this circuit is to perform the process called Modulation where in this case we are modulating the amplitude of the signal this is commonly termed as an Amplitude modulation, this process is done in order for the information to be injected to the higher frequency carrier for the propagation of signal in the air as a radio waves.\n\nWe are going to do this using Circuit Simulator Applet and an Actual circuit build for us to prove that the theory that we are working are applicable in reality, application of this theory would be in the field of communication or Radio Broadcasting. \n\n\n\n\n\nSchematic Diagram:\n![schematic 1 .JPG](https://cdn.utopian.io/posts/98766492642700734f48ec1f3a3086d4ab1aschematic_1_.JPG)\n#### Constructing the circuit in Circuit Simulator Applet\n\n\n Construct the circuit based in schematic diagram above.\n\nSelect the components needed to construct the circuit, you can select the components needed in that area being box\n![add components .png](https://cdn.utopian.io/posts/969ad70cbbc7d3fe683d48a09b8e34bc5cfbadd_components_.png)\n\n![click components needed _.png](https://steemitimages.com/DQmbhic4kovtniFh5HyeFRbKuhnBsDoF77BHrnjFjBqmBa1/click%20components%20needed%20_.png)\n\n![click strecth.png](https://steemitimages.com/DQmfStdJTNLh4rE7v3bEjnDuUvDXDiB1Ld5zCyZepKthSxA/click%20strecth.png)\n\n![add capacitor ,inductor .png](https://steemitimages.com/DQmVJ3cBXJkGJNBRmptc3L7aD8hAyE3imWCQKDPWAhbEjYk/add%20capacitor%20%2Cinductor%20.png)\n\n![active devices diodes .png](https://steemitimages.com/DQmcx6U85Mk6iRVVVH2vLov4bAoLtL25YA1RqMQfeXp8oYr/active%20devices%20diodes%20.png)\nWhen all the components needed are placed you can also change or edit the values of the components by just double clicking it.(image below has not yet edited to the schematic value)\n ![not connected components .JPG](https://cdn.utopian.io/posts/e102920902478616b7615d0dceb517e5ea1anot_connected_components_.JPG)\n\nAdd two frequencies as our input the higher frequency and the lower frequency\n![add ac source .png](https://cdn.utopian.io/posts/0354c5fff31d47bfc07a67f76c8cb0d1b5e8add_ac_source_.png)\n\n![added source ac .JPG](https://cdn.utopian.io/posts/12c390c113ce20c9d3668f20fab37f1b3af6added_source_ac_.JPG)\n\nAfter putting all the components needed in the circuit and the input sources connect the components based in the  circuit diagram above(schematic), click add wire to connect the components you can also stretch it.\n\n![add wire 1.png](https://cdn.utopian.io/posts/a8a91df965dfc75aaaea3ba840415d91ab07add_wire_1.png)\n\n![connect wire .png](https://steemitimages.com/DQmf85numgAKoZij45MZzDXjMBWFAWhhpvhqoxomTHKeHFm/connect%20wire%20.png)\n\nWhen the circuit is done click Run/STOP to start simulating. you will then see the current flow and voltage of the circuit how it behaves as the two signals mixed in the diode modulator circuit.\n(final circuit)\n\n![sim 1.JPG](https://cdn.utopian.io/posts/d1693cd80de377088d9cd24082007351c347sim_1.JPG)\n\n#### Actual Construction of the circuit:\n\n1.) Connect the actual electronic components based in the schematic diagram above.\n(below is the finished connection of the circuit)\n\n![image.png](https://cdn.utopian.io/posts/1e061d8a14f77b5d236242d2db5fe8906a6bimage.png)\n\n\n2.) After constructing the circuit apply it with two AC source with different frequencies, higher frequency and a lower frequency based in the schematic diagram, the higher frequency is the Carrier signal and the lower frequency is the information signal.\n\nCarrier Signal:\n![carrier signal n.jpg](https://cdn.utopian.io/posts/40e9ab211471bf0575ff4c856d375133d280carrier_signal_n.jpg)\n\nThe carrier signal  is 6kHz should be greater than the information signal for better modulation this will be the signal that will carry the data for transmission (in radio broadcasting this will be propagated in antenna as radio waves) which is the information signal.\n\nInformation Signal:\n![information signal .jpg](https://cdn.utopian.io/posts/0ab6220db38efdd28b417c55146c0018969binformation_signal_.jpg)\n\nInformation signal could be an audio source if we are dealing with broadcasting  or a voice captured by the microphone. (in real application, since this is an experiment  we are just using a fixed frequency source our human voice has a lot of frequencies generated as sound waves. ).\n\n3.) Connect the probe of oscilloscope to the output of the circuit to see the resulting waveform.\n\n![image.png](https://cdn.utopian.io/posts/8183ee3b8fcfb28f9c1924a0b0d565f0d305image.png)\n\nAfter connecting the circuit you will see a new Waveform called AM Envelope:\n\nAM Envelope:\n![am wave form_n.jpg](https://cdn.utopian.io/posts/bc61569bee3ed3f969ca19b2e4cb2fcaea20am_wave_form_n.jpg)\n\nThis waveform is being generated by the combination of the 2 signal or frequency that we had inputted which is the carrier and information signal this process is called AMPLITUDE MODULATION.\n\nAM Envelope Adjusted time/div:\n\n![am waveform zoom in .jpg](https://cdn.utopian.io/posts/eaa5b887a6e723c20462897cbfb8f1cc3709am_waveform_zoom_in_.jpg)\n\nIn AMPLITUDE MODULATION the amplitude of the carrier signal is being modulated in proportion to the information signal, the sine wave formed in the amplitude of the carrier is the information signal it is located in positive half cycle and also in negative half cycle, this resulting waveform is to be transmitted and receive by the receiver circuit its main component is diode detector.\n\n\n  And finally we are done with our modulation tutorial this would be great for students and young  electronics hobbyist who want to learn about the basic of signal mixing.\n\n\n\n#### Electronics Tutorial",
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      "permlink": "qucs-circuit-simulator-the-voltage-divider-theory-explained",
      "title": "QUCS Circuit Simulator:The Voltage Divider theory Explained",
      "body": "\n#### What Will I Learn?\n\n\n- Learn all about Voltage Divider Theory\n- Learn how to construct the circuit in QUCS Circuit Simulator\n- Learn about simulations of the QUCS Circuit Simulator\n\n#### Requirements\n\n- Laptop or PC\n- QUCS Circuit Simulator\n- Resistors: 110 ohms and 55 ohms\n- Voltmeter\n\n\n#### Difficulty\n- Intermediate\n\n#### Tutorial Contents:\nVoltage Divider is the most common circuit in almost any circuit design, its function is for producing voltage coming from the two resistors that is connected in series and will provide an output voltage lesser than the source voltage, it is also used as a signal attenuator at lower frequencies because of its ability to decrease the voltage using the resistance of the two resistors, generally it is a passive linear circuit that produces output voltage that is a fraction of its input voltage.\n\nVoltage Divider Diagram:\n![schematic 1.JPG](https://cdn.utopian.io/posts/809319440dcbcea7b968d13140da71df0bbbschematic_1.JPG)\n\nFormula for the Voltage Divider:\n\n![image.png](https://cdn.utopian.io/posts/5db7157056b02ac765978110ec1b5db8a6c2image.png)\n\n#### Solutions in Voltage Divider:\nBelow is a set of solution using the voltage divider formula and ohms law for getting the reference voltages or voltages across in each resistors, for I total (total current) can be obtain by dividing the\n V total (total voltage which is the source voltage from the battery 9v) by the total resistance in the circuit.\n\nUsing the formula below we are able to get a current of 0.0548 A , since the resistors are connected in series configuration means in each resistor have the same value of current.\nTo get the Voltages across each resistors use ohms law,  finding V R1 simply multiply the value of R1 and the current across it which is equal to I total, we get a voltage of 6.036 V\nthe same approach in V R2 thus getting a voltage of 2.96 V which is our output.\n\n![SOLUTIONS.jpg](https://cdn.utopian.io/posts/419d4bad4a780fc4b512fa24206afbd991acSOLUTIONS.jpg)\n\nNotice that the we can also get the answer of our output using two approach the voltage divider formula and ohms law , substituting the formula for the voltage divider will result an output voltage of 2.96 V\n\n#### Step by step Construction of the circuit Using QUCS Circuit Simulator:\n\nOpen the QUCS Circuit Simulator, in the left side of the application there are four tabs the Libraries, Components, Content and Project to start building the project click components you will see many options just select lumped components for basic component part, then click the desired components needed,  so select resistor then move the mouse to where to place it then click to paste and right click to rotate the components.\n![1 COMP.png](https://cdn.utopian.io/posts/d4e93f06caed573d1320eec479d733b4c5521_COMP.png)\n\nNow for Source needed since we are working in DC circuit, the same thing we did just select sources instead of lumped components then select dc voltage by clicking. \n![DC SOURCE .png](https://cdn.utopian.io/posts/e7389a62b6b395e2658a7a70260ab5c6379cDC_SOURCE_.png)\n\n\nFor the meters we are going to use volt meter the same as the above step just select probe then  options will appear Current probe or Voltage probe click the desired meter. \n![VOLTMETER.jpg](https://cdn.utopian.io/posts/868a04f9792c3e1345cc21b5676f599ab262VOLTMETER.jpg)\n\nPlace all the components needed in the circuit and wire them according to the Voltage Divider diagram, at the top you can see  a wire drawn slant encircled with blue you can also use mirror, rotate, label, and put ground.\n\n![PUT THE COMPONENTS AND COONNECT WITH WIRES .jpg](https://cdn.utopian.io/posts/d244ee1f8ef2771844c033fab9d79e6c5614PUT_THE_COMPONENTS_AND_COONNECT_WITH_WIRES_.jpg)\n\nConnected Components ready to simulate.\n![CONNECT ALL WIRING .JPG](https://cdn.utopian.io/posts/71bd61f8e12fdb4fc10810b4d3a41c769b9fCONNECT_ALL_WIRING_.JPG)\n#### How to use Simulation:\n\nTo simulate click Components select simulations then choose the desired simulation, \nsince we are working in dc circuit we are only going to use dc simulation click the dc simulation then move and place it.\n![DC SIMULATION .png](https://cdn.utopian.io/posts/652ccfc8a23afbc2487444294128181c8fb5DC_SIMULATION_.png)\n\nafter putting the dc simulation, at the top area click Simulation then select Simulate\n![sim 1 .jpg](https://cdn.utopian.io/posts/66facd3496f3890163101773c407777fb944sim_1_.jpg)\n\nYou can also edit the properties of simulation by double clicking the dc simulation in this set up it is not necessary to change the properties of simulation since we only need the output voltage.\n![edit simulation .png](https://cdn.utopian.io/posts/64e39710c2e5c66403cff36505e4681379a5edit_simulation_.png)\n\nAfter selecting Simulate usually a new tab will appear where you can put your simulations outcome since our desired data is not that much we are just going to use the same tab.\nafter simulating it will go directly in diagrams\n![double click.png](https://cdn.utopian.io/posts/30079329fa3a1898afdcac82be237ea7478adouble_click.png)\n\n\nthen choose Tabular since we want to display it in tabular form  it will show the names that you had labelled double click each to display it in the table then click apply and ok .\n![hapit na .png](https://cdn.utopian.io/posts/d3f55f6b6c4a3d83832311351c40c0d92a44hapit_na_.png)\n\nmove the mouse then click to place the table. the table displays the Input1. V, Output1.V and Pr1.V the .V there represent that it is a voltage value Input1.V  is the source voltage or input Pr1.V and Output1.V are just the same which is 2.96 V this proves that our calculation using the Voltage divider formula and ohms law are accurate.\n\nSimulations:\n![taraan mana. .png](https://cdn.utopian.io/posts/58dd38b64fcec7f4ad5503015e6280bb78a4taraan_mana._.png)\n\nCalculations:\n![SOLUTIONS.jpg](https://cdn.utopian.io/posts/419d4bad4a780fc4b512fa24206afbd991acSOLUTIONS.jpg)\nThe simulation using the QUCS Circuit Simulator prove that the theory of the circuit is accurate since the simulated data coincides with the result of the calculated output  voltage of the voltage divider which is 2.96 V and we have also the calculated total current and voltages across in each resistor.\n#### Curriculum\n\n\n<br /><hr/><em>Posted on <a href=\"https://utopian.io/utopian-io/@mhoo91/qucs-circuit-simulator-the-voltage-divider-theory-explained\">Utopian.io -  Rewarding Open Source Contributors</a></em><hr/>",
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the tutorial address a minimum of 3 substantial concepts and no more than 5?\",\"question_id\":\"tut-1\",\"answers\":[{\"answer\":\"3-5 substantial concepts covered in the tutorial.\",\"answer_id\":1,\"value\":10},{\"answer\":\"Less than 3 or more than 5 substantial concepts covered in the tutorial.\",\"answer_id\":2,\"value\":5},{\"answer\":\"No substantial or recognisable concepts.\",\"answer_id\":3,\"value\":0}]},{\"question\":\"Concepts covered in the tutorial are indicated in the post text with a short description of each concept and when appropriate, images?\",\"question_id\":\"tut-2\",\"answers\":[{\"answer\":\"Thorough text and images for concepts covered.\",\"answer_id\":1,\"value\":10},{\"answer\":\"Minimal text and images.\",\"answer_id\":2,\"value\":5},{\"answer\":\"No or very little text and images.\",\"answer_id\":3,\"value\":0}]},{\"question\":\"Does the contributor provide supplementary resources, such as code and sample files in the contribution post or a GitHub repository?\",\"question_id\":\"tut-3\",\"answers\":[{\"answer\":\"Yes\",\"answer_id\":1,\"value\":10},{\"answer\":\"No\",\"answer_id\":2,\"value\":0}]},{\"question\":\"Is the tutorial part of a series?\",\"question_id\":\"tut-4\",\"answers\":[{\"answer\":\"Yes.\",\"answer_id\":1,\"value\":10},{\"answer\":\"Yes, but first entry in the series.\",\"answer_id\":2,\"value\":5},{\"answer\":\"No.\",\"answer_id\":3,\"value\":0}]},{\"question\":\"Is there an outline for the tutorial content at the beginning of the post?\",\"question_id\":\"tut-5\",\"answers\":[{\"answer\":\"Yes.\",\"answer_id\":1,\"value\":10},{\"answer\":\"Yes, but not detailed enough or does not cover all sections.\",\"answer_id\":2,\"value\":5},{\"answer\":\"No.\",\"answer_id\":3,\"value\":0}]},{\"question\":\"Does the writing style meet the Utopian standard considering formalness, informativeness and clarity of the content?\",\"question_id\":\"c-1\",\"answers\":[{\"answer\":\"It is formal, informative and well written with clear content.\",\"answer_id\":1,\"value\":10},{\"answer\":\"It is informative with clear content but not formal enough.\",\"answer_id\":2,\"value\":5},{\"answer\":\"The contribution could be more informative or contains unrelated information, formality and clarity of the content are good enough.\",\"answer_id\":3,\"value\":4},{\"answer\":\"Not all sections were clear enough but overall holds value for the project.\",\"answer_id\":4,\"value\":2},{\"answer\":\"Not at all.\",\"answer_id\":5,\"value\":0}]},{\"question\":\"Was the provided category template for the editor followed?\",\"question_id\":\"c-2\",\"answers\":[{\"answer\":\"All points of the template were included with additional points as well.\",\"answer_id\":1,\"value\":5},{\"answer\":\"The template was followed without additions.\",\"answer_id\":2,\"value\":4},{\"answer\":\"The template was edited but the points were covered in different way.\",\"answer_id\":3,\"value\":3},{\"answer\":\"Not all points of the template were covered in the contribution but the structure is clear enough.\",\"answer_id\":4,\"value\":3},{\"answer\":\"The template was not followed but the structure is clear enough.\",\"answer_id\":5,\"value\":2},{\"answer\":\"The contents are not clearly structured at all.\",\"answer_id\":6,\"value\":0}]},{\"question\":\"Did the contributor tag other users?\",\"question_id\":\"c-3\",\"answers\":[{\"answer\":\"No other users were tagged by the contributor.\",\"answer_id\":1,\"value\":5},{\"answer\":\"Used tags are reasonable and all tagged people are connected to the project and/or the contribution.\",\"answer_id\":2,\"value\":5},{\"answer\":\"The contribution contains mentions of other users that are not directly related to the contribution but related in other ways.\",\"answer_id\":3,\"value\":2},{\"answer\":\"The contributor misuses tagging of other users.\",\"answer_id\":4,\"value\":0}]},{\"question\":\"Did the contributor ask for upvotes, resteems, follows or witness vote?\",\"question_id\":\"c-4\",\"answers\":[{\"answer\":\"No\",\"answer_id\":1,\"value\":5},{\"answer\":\"Yes, but not in a way that disturbs readability. \",\"answer_id\":2,\"value\":5},{\"answer\":\"Yes.\",\"answer_id\":3,\"value\":0}]},{\"question\":\"Was a graphical content like images, charts, videos or screenshots included?\",\"question_id\":\"c-5\",\"answers\":[{\"answer\":\"Yes, the graphical content is included and adds more value to the contribution.\",\"answer_id\":1,\"value\":5},{\"answer\":\"No but the contribution works well without graphical content well.\",\"answer_id\":2,\"value\":4},{\"answer\":\"Yes, but most of the graphical content’s purpose is just for presentational matters.\",\"answer_id\":3,\"value\":3},{\"answer\":\"No relevant or useful graphical content is included in the contribution.\",\"answer_id\":4,\"value\":0}]},{\"question\":\"How would you rate the overall added value?\",\"question_id\":\"c-6\",\"answers\":[{\"answer\":\"Extraordinary value to both 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      "parent_permlink": "utopian-io",
      "author": "mhoo91",
      "permlink": "qucs-circuit-simulator-the-voltage-divider-theory-explained",
      "title": "QUCS Circuit Simulator:The Voltage Divider theory Explained",
      "body": "\n#### What Will I Learn?\n\n\n- Learn all about Voltage Divider Theory\n- Learn how to construct the circuit in QUCS Circuit Simulator\n- Learn about simulations of the QUCS Circuit Simulator\n\n#### Requirements\n\n- Laptop or PC\n- QUCS Circuit Simulator\n- Resistors: 110 ohms and 55 ohms\n- Voltmeter\n\n\n#### Difficulty\n- Intermediate\n\n#### Tutorial Contents:\nVoltage Divider is the most common circuit in almost any circuit design, its function is for producing voltage coming from the two resistors that is connected in series and will provide an output voltage lesser than the source voltage, it is also used as a signal attenuator at lower frequencies because of its ability to decrease the voltage using the resistance of the two resistors, generally it is a passive linear circuit that produces output voltage that is a fraction of its input voltage.\n\nVoltage Divider Diagram:\n![schematic 1.JPG](https://cdn.utopian.io/posts/809319440dcbcea7b968d13140da71df0bbbschematic_1.JPG)\n\nFormula for the Voltage Divider:\n\n![image.png](https://cdn.utopian.io/posts/5db7157056b02ac765978110ec1b5db8a6c2image.png)\n\n#### Solutions in Voltage Divider:\nBelow is a set of solution using the voltage divider formula and ohms law for getting the reference voltages or voltages across in each resistors, for I total (total current) can be obtain by dividing the\n V total (total voltage which is the source voltage from the battery 9v) by the total resistance in the circuit.\n\nUsing the formula below we are able to get a current of 0.0548 A , since the resistors are connected in series configuration means in each resistor have the same value of current.\nTo get the Voltages across each resistors use ohms law,  finding V R1 simply multiply the value of R1 and the current across it which is equal to I total, we get a voltage of 6.036 V\nthe same approach in V R2 thus getting a voltage of 2.96 V which is our output.\n\n![SOLUTIONS.jpg](https://cdn.utopian.io/posts/419d4bad4a780fc4b512fa24206afbd991acSOLUTIONS.jpg)\n\nNotice that the we can also get the answer of our output using two approach the voltage divider formula and ohms law , substituting the formula for the voltage divider will result an output voltage of 2.96 V\n\n#### Step by step Construction of the circuit Using QUCS Circuit Simulator:\n\nOpen the QUCS Circuit Simulator, in the left side of the application there are four tabs the Libraries, Components, Content and Project to start building the project click components you will see many options just select lumped components for basic component part, then click the desired components needed,  so select resistor then move the mouse to where to place it then click to paste and right click to rotate the components.\n![1 COMP.png](https://cdn.utopian.io/posts/d4e93f06caed573d1320eec479d733b4c5521_COMP.png)\n\nNow for Source needed since we are working in DC circuit, the same thing we did just select sources instead of lumped components then select dc voltage by clicking. \n![DC SOURCE .png](https://cdn.utopian.io/posts/e7389a62b6b395e2658a7a70260ab5c6379cDC_SOURCE_.png)\n\n\nFor the meters we are going to use volt meter the same as the above step just select probe then  options will appear Current probe or Voltage probe click the desired meter. \n![VOLTMETER.jpg](https://cdn.utopian.io/posts/868a04f9792c3e1345cc21b5676f599ab262VOLTMETER.jpg)\n\nPlace all the components needed in the circuit and wire them according to the Voltage Divider diagram, at the top you can see  a wire drawn slant encircled with blue you can also use mirror, rotate, label, and put ground.\n\n![PUT THE COMPONENTS AND COONNECT WITH WIRES .jpg](https://cdn.utopian.io/posts/d244ee1f8ef2771844c033fab9d79e6c5614PUT_THE_COMPONENTS_AND_COONNECT_WITH_WIRES_.jpg)\n\nConnected Components ready to simulate.\n![CONNECT ALL WIRING .JPG](https://cdn.utopian.io/posts/71bd61f8e12fdb4fc10810b4d3a41c769b9fCONNECT_ALL_WIRING_.JPG)\n#### How to use Simulation:\n\nTo simulate click Components select simulations then choose the desired simulation, \nsince we are working in dc circuit we are only going to use dc simulation click the dc simulation then move and place it.\n![DC SIMULATION .png](https://cdn.utopian.io/posts/652ccfc8a23afbc2487444294128181c8fb5DC_SIMULATION_.png)\n\nafter putting the dc simulation, at the top area click Simulation then select Simulate\n![sim 1 .jpg](https://cdn.utopian.io/posts/66facd3496f3890163101773c407777fb944sim_1_.jpg)\n\nYou can also edit the properties of simulation by double clicking the dc simulation in this set up it is not necessary to change the properties of simulation since we only need the output voltage.\n![edit simulation .png](https://cdn.utopian.io/posts/64e39710c2e5c66403cff36505e4681379a5edit_simulation_.png)\n\nAfter selecting Simulate usually a new tab will appear where you can put your simulations outcome since our desired data is not that much we are just going to use the same tab.\nafter simulating it will go directly in diagrams\n![double click.png](https://cdn.utopian.io/posts/30079329fa3a1898afdcac82be237ea7478adouble_click.png)\n\n\nthen choose Tabular since we want to display it in tabular form  it will show the names that you had labelled double click each to display it in the table then click apply and ok .\n![hapit na .png](https://cdn.utopian.io/posts/d3f55f6b6c4a3d83832311351c40c0d92a44hapit_na_.png)\n\nmove the mouse then click to place the table. the table displays the Input1. V, Output1.V and Pr1.V the .V there represent that it is a voltage value Input1.V  is the source voltage or input Pr1.V and Output1.V are just the same which is 2.96 V this proves that our calculation using the Voltage divider formula and ohms law are accurate.\n\nSimulations:\n![taraan mana. .png](https://cdn.utopian.io/posts/58dd38b64fcec7f4ad5503015e6280bb78a4taraan_mana._.png)\n\nCalculations:\n![SOLUTIONS.jpg](https://cdn.utopian.io/posts/419d4bad4a780fc4b512fa24206afbd991acSOLUTIONS.jpg)\nThe simulation using the QUCS Circuit Simulator prove that the theory of the circuit is accurate since the simulated data coincides with the result of the calculated output  voltage of the voltage divider which is 2.96 V and we have also the calculated total current and voltages across in each resistor.\n#### Curriculum\n\n\n<br /><hr/><em>Posted on <a href=\"https://utopian.io/utopian-io/@mhoo91/qucs-circuit-simulator-the-voltage-divider-theory-explained\">Utopian.io -  Rewarding Open Source Contributors</a></em><hr/>",
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clear content.\",\"answer_id\":1,\"value\":10},{\"answer\":\"It is informative with clear content but not formal enough.\",\"answer_id\":2,\"value\":5},{\"answer\":\"The contribution could be more informative or contains unrelated information, formality and clarity of the content are good enough.\",\"answer_id\":3,\"value\":4},{\"answer\":\"Not all sections were clear enough but overall holds value for the project.\",\"answer_id\":4,\"value\":2},{\"answer\":\"Not at all.\",\"answer_id\":5,\"value\":0}]},{\"question\":\"Was the provided category template for the editor followed?\",\"question_id\":\"c-2\",\"answers\":[{\"answer\":\"All points of the template were included with additional points as well.\",\"answer_id\":1,\"value\":5},{\"answer\":\"The template was followed without additions.\",\"answer_id\":2,\"value\":4},{\"answer\":\"The template was edited but the points were covered in different way.\",\"answer_id\":3,\"value\":3},{\"answer\":\"Not all points of the template were 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vote?\",\"question_id\":\"c-4\",\"answers\":[{\"answer\":\"No\",\"answer_id\":1,\"value\":5},{\"answer\":\"Yes, but not in a way that disturbs readability. \",\"answer_id\":2,\"value\":5},{\"answer\":\"Yes.\",\"answer_id\":3,\"value\":0}]},{\"question\":\"Was a graphical content like images, charts, videos or screenshots included?\",\"question_id\":\"c-5\",\"answers\":[{\"answer\":\"Yes, the graphical content is included and adds more value to the contribution.\",\"answer_id\":1,\"value\":5},{\"answer\":\"No but the contribution works well without graphical content well.\",\"answer_id\":2,\"value\":4},{\"answer\":\"Yes, but most of the graphical content’s purpose is just for presentational matters.\",\"answer_id\":3,\"value\":3},{\"answer\":\"No relevant or useful graphical content is included in the contribution.\",\"answer_id\":4,\"value\":0}]},{\"question\":\"How would you rate the overall added value?\",\"question_id\":\"c-6\",\"answers\":[{\"answer\":\"Extraordinary value to both 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      "body": "Congratulations @mhoo91! You have completed some achievement on Steemit and have been rewarded with new badge(s) :\n\n[![](https://steemitimages.com/70x80/http://steemitboard.com/notifications/firstcomment.png)](http://steemitboard.com/@mhoo91) You made your First Comment\n[![](https://steemitimages.com/70x80/http://steemitboard.com/notifications/voted.png)](http://steemitboard.com/@mhoo91) Award for the number of upvotes received\n\nClick on any badge to view your own Board of Honor on SteemitBoard.\n\nTo support your work, I also upvoted your post!\nFor more information about SteemitBoard, click [here](https://steemit.com/@steemitboard)\n\nIf you no longer want to receive notifications, reply to this comment with the word `STOP`\n\n> Upvote this notification to help all Steemit users. Learn why [here](https://steemit.com/steemitboard/@steemitboard/http-i-cubeupload-com-7ciqeo-png)!",
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      "body": "thank you :)",
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      "author": "steemladder",
      "permlink": "re-mhoo91-first-post-in-steemit-20180410t145504039z",
      "title": "Welcome to Steem!",
      "body": "<center>\nWelcome to Steem @mhoo91. <br/><br/>Do read [A thumb rule for steemit minnows - 50:100:200:25](https://steemit.com/steemit/@steemladder/a-thumb-rule-for-steemit-minnows-50-100-200-25) for starter tips. <br/> <br/>Spend time reading [Steem Blue Paper](https://steem.io/steem-bluepaper.pdf) to know how Steem blockchain works and if you still have any queries ask them on our [Ask me anything about Steemit post](https://steemit.com/steem/@steemladder/there-are-no-dumb-questions-ask-anything-you-want-to-know-about-steem-blockchain) and we will try to answer that.<br/><br/>All the Best!!!\n</center>",
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      "title": "first Post in Steemit!",
      "body": "<center>*Hello there Steemit! I'm glad that I am now here in this new social platform*</center>\n<center>*I am still new to this and hope to enjoy and meet new friends while*</center>\n<center>*posting about my hobbies and knowledge in my field*</center>\n\n\n<center>*#This my first ever post in this social media*</center>\n<center>*I am really passionate in building electronic circuits*</center>\n\n\n<center>*This is an example of an basic experiment related to mixing two or more #signals*</center>\n\n\n<center>![demod circt_n.jpg](https://steemitimages.com/DQmQz8eRCHMqWsHSvxuxijSi2tcAj5aBc9BCAg8iUMy81hp/demod%20circt_n.jpg)</center>\n\n\n<center>*This is the most basic theory or concept in communication or broadcasting circuits*</center>\n<center>*Where one signal is mix with the other signal in order*</center>\n<center>*for the other one signal to be carried by the other*</center>\n<center>*two signal is termed as the #carrier signal and the #information signal*</center>\n\n\n<center>![over all circuit.jpg](https://steemitimages.com/DQmewWMcRYj6ryY9R6X2o63RbzsZPrVuM9seNnabYmqGeGK/over%20all%20circuit.jpg)\n</center>\n\n\n\n<center>*You will probably think if you are passionate about electronics,*</center>\n<center>*if what would it be like after the #signal is being #mix*</center>\n<center>*figure below shows the waveform of the two signal being mixed*</center>\n<center>*before the it passes to the component called #Diode*</center>\n\n<center>![waveform before diode n.jpg](https://steemitimages.com/DQmRB7o73ZCefLWzuXJTQX4tHCiVFxfGKkXyCjLorTRHk1j/waveform%20before%20diode%20n.jpg)</center>\n\n\n<center>*After it passes to the Diode component the signal is somehow only*</center>\n<center>*shows or allow only the positive half cycle to pass to Diode*</center>\n<center>*it is then resonated through LC tank circuit which forms*</center>\n<center>*a new waveform of commonly called an AM Envelope*</center>\n<center>*this is just a glimpse of knowledge in communications engineering*</center>\n<center>*it is not a complete discussion about the topic*</center>\n<center>*to know more about electronics Please follow me!*</center>\n<center>*@mhoo91 and enjoy while reading my post :)*</center>\n\n![am waveform zoom in .jpg](https://steemitimages.com/DQmZqK9PhC8XYSkUCiWDdCgSmSK9ComMtcyRHy9ituTb8c2/am%20waveform%20zoom%20in%20.jpg)",
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