Question: What is the formula for the phase of a sine wave? There is no phase of a sine wave. Remove the short and cycle the input power to restore it. To the left zooms in, to the right zooms out. This Sine Signal Frequency Generator could generate the sine waves. You can also use the High quality output from this project to insert a tone modulation in your audio and RF equipment. When you are creating a periodic component (a sine wave for example), there are 3 main controls to consider: Frequency of the wave, Sample Rate and Duration. There are three parts of a sine wave: frequency, amplitude, and phase. wept sine waves let you test a device over a wide frequency range. Online Tone Generator. The sine wave is a mathematical curve that describes a smooth repetitive oscillation. The sine wave formula is:. toggle text output run reset copy. A simple generator consists of a conductor loop turning in a magnetic field, cutting across the magnetic lines of force. Find more Mathematics widgets in Wolfram|Alpha. Function generators are capable of producing a variety of repetitive waveforms, generally from the list below: Sine wave: A function generator will normally be able to act as a sine wave generator. This is a list of your collections. Optimizes the table of sine values for Speed or Memory. This is the Nyquist rate, the lowest sampling rate at which the wave will be correctly represented. 1 kHz sample rate". Here is a graph of a single note:. This module outputs integer values of the wave from a look up table. From the above formula i'll get two values as fsb1 and fsb2(frequencies), because it's have +&- values. The waveform generator on the Analog Discovery 2 along with WaveForms software is a combination of both generators. Demonstrate what a signal generator does. For example,. Drawing a sine wave using Java Swing. So that's a way to visualize the cosine curve getting generated by a vector rotating around this circle. For this example, we will use the common sine wave. You can also see our article and video on our blog explaining the difference between true sine wave inverters and their cheaper modified sine. A pure sine wave has only a single or fundamental frequency—ideally no harmonics are present. The scope’s 9-pin D-type connectors create an intelligent true. With industry leading pricing the RIGOL family of waveform generators provides unmatched customer value. (remember the DMM reads only rms) VDMM = Check the function generator voltage and frequency with the oscilloscope. Yes, I get a clean 400 Hz sine wave with this compensation: But I've just thrown away all the purported wideband advantages of average current mode control. Generally, modified sine wave inverters are less expensive than a pure sine wave inverter, so they are still used in simple systems. triangle waves – but could result in differences of up to 10V in output between the square and sine wave inputs for higher stages. Why Won't the Measured Values of the Fundamental Wave Components and the Bar Graph of the Harmonics Display on the WT3000? What is the Difference Between Type1 and Type2 With Regards to Reactive Power, Apparent Power, and Other Formulas? What is the Output Resolution of the D/A Analog Option for the WT100/WT200 Series?. If we change the number of cycles the wave completes every second -- in other words, if we change the period of the sine wave -- then we change the sound. 8 % THD under normal loads…but measured the generator power at 12. The oscilloscope let us actually see the current going through our setup and allowed us to manipulate it to acquire values and a different perceptive of this flowing energy. JUCE is the C++ library to develop…. 1) Measuring the sine wave 2)Explore the triggering functions. Square Wave Calculations. Here's a circuit diagram to show the concept: This circuit includes a configurable frequency generator (5 switches select input frequencies from 1/16 of the input up to 31/16 of the input). Connect the other ohmmeter lead to test- point (T PI) on the wave generator circuit board. Integrated into the VCO is an opamp setup to be a comparator which outputs a square wave. Hide Ads About Ads. Here are a few tips for playing with waves in Excel, This was a post I found while looking for excel graphics to cover this topic, it actually states how to create sine waves very well " If you got excel, and know how to use it a bit for graphing, then you can definitely try that. I’m trying to make a sine wave inverter based on “Bubba Oscillator”. For example, if I want to display a basic 1V AC sine wave with a graphical calculator, I just plot: sin(x), or y=sin(x). In the graph below, you can add (and remove) terms in the Fourier Series to better understand how it all works. 1) The above code generates a vector t with values starting from 0 and going up to 10 in the steps of 0. Examples of sine waves Click the button below, for an interactive sound wave generator. So go easy ;) ). Also, it produces signal only within 0. it is just an example on how to use copy as a variable to form a shape or a set of points, y=sin(copy) is like y=sin(x), its a starting point where further development like rotating and sizing the copy length can join the "dots", like the arc tool the number of segments will get closer to the perfect, So with the sample, the range, pitch, frequency are things one can explore in ones. The angular velocity w is equal to 2π ∗ frequency, or w =2πf. A normal AC generator doesn't switch + - + - + - bang bang. Add the C program sine. by showing three sine waves with one or two crossed out, the vertical position of the wave indicating high medium or low frequencies. The rotor structure of the generator in Figure 2 has two poles, one for magnetic flux directed outward and a corresponding one for flux directed inward. If the coil rotates clockwise, the red wire will periodically move upwards. This type of waveform is called a sine wave because it is based on the trigonometric sine function used in mathematics, (x(t) = Amax. 01 Hz to 1 MHz or more, take a look at the XR-2206. Engage with live, interactive examples, reports and files. I need to also use DATA, LATCH and CLOCK (im assuming to keep track of time and data regarding sine wave?) any help greatly appreciated, thanks. sine wave programmed harmonics clipped sine wave chopped sine wave triangular wave trapezoidal wave rectangular wave square (PWM) wave Ramp 1 Ramp 2 logarithmic wave exponential wave. Get ready to connect everything 0. In the graph below, you can add (and remove) terms in the Fourier Series to better understand how it all works. Some also have a selector to switch the waveform type between sine wave, square wave and triangular sawtooth. Understandings • Sound is a cyclical phenomenon, due to the nature of vibrations. Or use the old Flash Version. The task is to emulate an audio frequency. It's not too bad at all. We often write the peak current in the form: I o = ωCV o = V o / X L. We can’t do that with our tone generator. Step 1: Agilent 33220A Waveform Generator Setup. The pin #9, #10 and #11 are the PWM pins have the capability to produce analog voltage level as described before; it produces. You can create a swept sine function in National Instruments’ LabView with just one VI. 8 % THD under normal loads…but measured the generator power at 12. encodes a sine wave. Set it for a sine wave output at 200 Hz. The GP-ISW3000 can run any tool or appliance within its wattage range. The black section to the right, which covers most of the wave adder, is the graphing area where waves will be drawn, added, and subtracted. As it bounces up and down, its motion, when graphed over time, is a sine wave. To start off let's see how to plot a sine wave in R. ToneGen Audio Tone Generator for Android v. American REN loads, providing a low THD sine wave ringing signal. A free graphing calculator - graph function, examine intersection points, find maximum and minimum and much more. Well, a pure sine wave can only be produced as a pure sine wave. The value of each scale division will be listed. 4 Fluke Corporation Generator power quality and furnaces: The effects of harmonic distortion It worked! The analyzer measured util-ity power at 2. You can change the frequency with a slider. The function generator with bargraph displays. Since the gen-erator was less than one year. In the functions you can refer to up to four independent variables that are controlled by sliders. In 1822, French mathematician Joseph Fourier discovered that any waveform could be broken up as a combination of sine waves with different amplitude and frequencies. I was thinking of using a button and using how long it is pressed and depressed to generate the sine wave by attaching a cam lobe to the shaft of the stepper motor and using the radius of said cam lobe to determine a set amplitude. The reason is that at any given moment, it's either almost perfectly conducting or insulating. This is a Fourier Series example. (Remember to turn the DSP on so that you can hear the audio). Make sure that the function generator is in the high Z mode. I honestly have no idea. Plot the time vs. Type any one of the following comment in MATLAB:. Think of a sine wave in the x-y plane. In addition to those changes, you have two. Calculating Actual RMS Voltage: If you have a 'true RMS' voltmeter, the meter measures the instantaneous voltage at regular time intervals. Fourier Series Graph Interactive. Cut and Paste. following a sample on mathworks site i put a sine-wave and a scope in a simple model. the entire structure inside this rectangle is selected. The wave patterns of the periodic functions sine and cosine lend themselves perfectly as a model for describing the cyclical nature of vibrational energy, including sound. from some examples I just tried to generate a sine wave but it is not is not vaying and moving. My attempts so far are producing a. The sine wave generator is first designed to obtain the sine wave having the desired frequency, and then is built and tested. Measure the input and output of the amplifier using the scope. Test signals produced by the oscillator circuit of a signal generator are often sine waves. Sound is a mechanical wave that results from the back and forth vibration of the particles of the medium through which the sound wave is moving. 0, frequency of 400Hz at a 8KHz sampling frequency, but I'm not sure how to control how long the wave lasts for. Please Vote. By using Microsoft Excel, we can easily create a graph sine, cosine graphs, charts and graphs tangent of the other trigonometric functions. You will learn how to do the following: Start a Project Æ Draw a schematic Æ Simulate circuit Æ Graph data. Graph image for Bubba Oscillator. Using the formulae given above show that values of each of these spectra at 30 Hz are consistent with the original amplitude of 5. GFE is a free online function graphing tool that allows you to plot up to three functions on the same set of axes. Fourier Series Example - MATLAB Evaluation Square Wave Example Consider the following square wave function defined by the relation ¯ ® 1 , 0. A single cycle or wave-form, is called a sine-wave and is graphically displayed to show how clean, or distortion free, a sine-wave can be. Online calculator. About Little SineGen. This Demonstration creates sine and cosine graphs with vertical stretches, phase and vertical shifts, and period changes. Next, find the period of the function which is the horizontal distance for the function to repeat. The GP-ISW3000 is the professionals choice for clean reliable power when you need it. Here's a piece of the graph; click on the link below the picture to hear the sound this function creates. ) The unit circle has been moved to the left so it will not interfere with the graph of y = sin t. You can directly control the amplitude (A), phase (phi), and the angular frequency (k). Your step size would be 2 starting from 0. 1) Measuring the sine wave 2)Explore the triggering functions. This tutorial will teach you all you need to know about PSpice for ECE 65. Sine Wave Geometry. 1BestCsharp blog 7,604,921 views. With push buttons, you will be able to choose a waveform shape (sine, triangular, sawtooth, or square) on both DAC channels and change the frequency of the generated signal. When you find a frequency that seems to match your tinnitus, make sure you check frequencies one octave higher (frequency × 2. This is an exploration for Advanced Algebra or Precalculus teachers who have introduced their students to the basic sine and cosine graphs and now want their students to explore how changes to the equations affect the graphs. Mounting and Storage You can use the built-in clamp on the back of the unit to mount the Sine Wave Generator on a vertical rod, as shown. Also, in electrical engineering, there’s a machine called a “signal generator”, which sends different types of signals as inputs to circuit. The following example generates multiple cycles and I am not sure how to get a single cycle. Or use the old Flash Version. Generate and store a 1 kHz sine wave voltage V(time) using the function generator. where X C = 1/ωC is the effective resistance of the capacitor and is known as the capacitive reactance. For example, on any given day, you can have one wave which is rising upwards, one which is at its peak and another which is falling. Make sure that the function generator is in the high Z mode. Sine wave forms of different frequencies may be selectively chosen if the frequency divider circuit is provided with parallel inputs which are associated with different dividing ratios and are selectively coupled to the input of the binary shift register. Sine Look Up Table Generator Calculator. However, an actual generator should be supplying pure sine. My attempts so far are producing a. Part2: Obtaining sine equations using sine regression with the graphing calculator. Since there is a gradual change between areas of condensation and rarefaction, connect the stars with an S-curve or sine wave. Thousands of new, high-quality pictures added every day. Have you thought why AC supply is represented by a SINE wave? Is there any reason behind it or it just a representation? To know watch the video. Have your lab instructor check your settings, then turn the function generator on, and click on the scope Runbutton. Integrated into the VCO is an opamp setup to be a comparator which outputs a square wave. Below is the GraphWaveform method. You can vary the output settings of the Signal Generator block while a simulation is in progress to determine quickly the response of a system to different types of inputs. This website and its content is subject to our Terms and Conditions. For example, if I want to display a basic 1V AC sine wave with a graphical calculator, I just plot: sin(x), or y=sin(x). GeoGebra Institute of Hong Kong. Installation is easy. My attempts so far are producing a. Plot the time vs. Voltage testing according IEC / EN 61000-4-19. So, in this small tutorial I want to introduce how to create basic audio app and generate sine wave by formula. Sine waves can be found in our everyday lives. A translation of a graph, whether its sine or cosine or anything, can be thought of a 'slide'. The above picture shows the amplitude of the sine wave. The coordinate of the outgoing ray’s intersection with the unit circle is the sine of that angle. Network graph 0;. Find points of constructive and destructive interference by eye and by using the detectors. Something that will "fill a 10k sample buffer with a 1 kHz wave at a 44. Single-phase generator (also known as single-phase alternator) is an alternating current electrical generator that produces a single, continuously alternating voltage. Fourier transform (FT) of one cycle of sine wave can also be obtained by using the FT of infinite cycle sine wave and the FT of a rectangular wave by using the multiplication property of the FT. 2) Sine type Sound Source: The complete waveform is created automatically using sine rule. 1BestCsharp blog 7,604,921 views. As we do not have AC negative feedback, the voltage gain is high. A sine wave is a continuous wave. How to add sine functions of diﬀerent amplitude and phase In these notes, I will show you how to add two sinusoidal waves, each of diﬀerent amplitude and phase, to get a third sinusoidal wave. The wave shape across each linear impedance will be identical to the applied waveform. In this activity, we will take a closer look at sine waves and their properties. They are designed to produce several different periodic signals: a sine wave, square wave, and triangle or sawtooth waves. This eliminates the issues with square wave and modified sine outputs, since the power line itself is ideally a sine. Powerful, yet simple to use, the Magnum Energy inverter will provide you with years of trouble-free performance. The sine wave plotted incorporates parameters commonly used in physics. MHz sine wave generated by a 100 MHz sample clock has images at 80 MHz, 120 MHz, 180 MHz, 220 MHz, and so on. The numerous properties of the sine and related functions are included in any standard trigonometry text. We often need to describe an AC waveform in mathematical terms. CEA-2010 Burst. Most engineers are used to looking at square waves only in the time domain, but the frequency domain view provides additional diagnostic ability about the quality of a square wave, both before and after it has passed through a DUT (device under test). What follows are the details of the program's operation. Graph 11: Transfer Characteristics (XY mode). In this program, we will draw a horizontal sine wave on screen of amplitude 50 pixels. Consider the pure sine wave in the illustration from a Tektronix MDO3104 oscilloscope. The examples given on this page come from this Fourier Series chapter. Half sine cycle with a width of δT and a top value a pk. set_period( double period ) Sets the period parameter of the circular_generator to period; in pixels unless custom units are used. See the equation used by the circular_generator above for further specification. The frequencies for those sine waves were arbitrary, mathematical frequencies. Windows API/Global Declarations: Can't Copy and Paste this?. I have written code to collect the values of the sine wave and now I have used the VISA palletes to get the array of values in labview and make a graph out of it. In February 2005 the first Generator Place was opened in Brisbane, so with more than twelve years in business and the Generator Place now has 11 outlets around Australia. A phase can only develop between two sine waves. So, in this small tutorial I want to introduce how to create basic audio app and generate sine wave by formula. Why Won't the Measured Values of the Fundamental Wave Components and the Bar Graph of the Harmonics Display on the WT3000? What is the Difference Between Type1 and Type2 With Regards to Reactive Power, Apparent Power, and Other Formulas? What is the Output Resolution of the D/A Analog Option for the WT100/WT200 Series?. It makes use of the two timers on the RS08: the slower 32kHz RTI graphs the sine wave, and the faster MTIM switches the output. It shows that virtually any periodic waveform can be created out of individual sinewave components. You can create a swept sine function in National Instruments’ LabView with just one VI. Repeat the FFT for a 1 kHz square wave. So the objective here is to generate sequential data from a mathematical function - a sine wave is used in this post. The slider in the upper left corner is used to change the values of t. It's useful for digital synthesis of triangle waves. and the bars — which correspond to sine and cosine — move up and down. And the other variable which you would need to initialise would be number of lines, which is in a complete contrast to the how big the graph you will like it to be. Add text to each plot, labeling what it is. And this is about all that can be done for building and adjusting this square-to-sine wave converter circuit. 2) Frequency Response (bode plot) Testing Another useful application is to use a function generator’s frequency sweep output to provide an input signal to a device under test (DUT). ) Phase shift of a sine wave The graph of the standard sine wave sin( ) passes through the origin (0;0). When graphed over time, the “wave” traced by this voltage of alternating polarity from an alternator takes on a distinct shape, known as a sine wave: Figure below Graph of AC voltage over time (the sine wave). Created by: Kristi Tsukida (Spring 2006) Edited by: Eldridge Alcantara (Winter 2009) Updated (Fall 2009) 1 OVERVIEW. The frequencies for those sine waves were arbitrary, mathematical frequencies. 3 Phase Sine Wave Generator Circuit 3 Phase Sine Wave Generator Circuit - Arduino. For this example, we will use the common sine wave. It shows that virtually any periodic waveform can be created out of individual sinewave components. I need to also use DATA, LATCH and CLOCK (im assuming to keep track of time and data regarding sine wave?) any help greatly appreciated, thanks. They are mostly standard functions written as you might expect. Function generators and oscilloscopes will be covered as a pair. This circuit is based on the fact that a square wave on integration gives a triangular. Sine, Cosine and Tangent in a Circle or on a Graph. The code just creates a single cycle of a quantised sine curve inside an 80 x 24 bash terminal. Python how to plot graph sine wave. Please refer to the attached figure and please tell me what mistake i have made in this simple programe. Physics 6B Lab jExperiment 2 3. Servo valve is fixed to the actuator. The board had followings requirements: Function/frequency generator 1: This was for a carrier sine wave. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. (a) Waveform of applied voltage. The frequency of a sine wave is the number of oscillations a wave has in a certain period of time, for example one second. There are three parts of a sine wave: frequency, amplitude, and phase. toggle text output run reset copy. The hardware is different, but the software interface in both cases is analogWrite(). count( ) : double: Returns the current value of the count parameter of the radial_generator. "ringing", the frequency of which can calculated using a standard formula Fig [9]. sine wave Software - Free Download sine wave - Top 4 Download - Top4Download. Sines of angles between and are negative. The signal generator output should be placed across the combination of capacitor, inductor and resistor, as shown in ﬁgure XIX. 6 illustrates a prior-art sine-wave generator free from differential noise. All that's left is to draw the graph of the waveform on the canvas. WAVES: animation of a sine wave or sinusoidal wave (sine curve or sine function) and its corresponding cosine wave. Although the function is no longer a sine cure, it still has a repeating pattern, making it a periodic function. Signal calculated from the absolute values of a sine with a top value a pk. Wiggle the end of the string and make waves, or adjust the frequency and amplitude of an oscillator. The Sine Wave AC circuit analysis usually begins with the mathematical expression for a sine wave: v(t) = Vp sin(wt+θ) where Vp = the peak voltage w = the angular velocity of the generator t = time θ = the phase shift. Generate and store a 1 kHz sine wave voltage V(time) using the function generator. A flute gives a sound that most closely represents a sine wave. In the following post I will show and explain how to create a sine wave sound in Android. 8 % THD without any loads. It is still a bit more expensive to produce inverters with sine wave outputs, but the extra cost is no longer that much and is getting steadily lower. This is the Nyquist rate, the lowest sampling rate at which the wave will be correctly represented. The green trace is the unshifted cosine waveform. set_period( double period ) Sets the period parameter of the circular_generator to period; in pixels unless custom units are used. Active 3 months ago. In the functions you can refer to up to four independent variables that are controlled by sliders. Try to get one oscillation (one wave) to fill most of the screen. 01 Hz to 1 MHz or more, take a look at the XR-2206. Click the Reset button to restart with default values. Numerous college level electronics experiments can be performed using Pocket Science Lab (PSLab). Function generators create a changing voltage under some function of time (often it is a sine wave, although there are a number of other shapes we'll see below). It allows both the frequency (1-800 Hz) and amplitude of the sine wave output to be varied. This is most noticeable in the 1 Hz. The rotor structure of the generator in Figure 2 has two poles, one for magnetic flux directed outward and a corresponding one for flux directed inward. What follows are the details of the program's operation. what do you if your teacher gives a grid with the numbers already in place should get blank piece of graph paper and own. The red lines show the x and y axes. I recently learned that an audio sine wave is called that way because it is of the shape of the graph of a sine fun. 3) Now with the help of that fault frequency i need Auto power spectrum should be plotted on another wave graph. March 21, 2015. Block Behavior in Discrete Mode. The waveforms that can be generated by the Waveform Generator. Now it is a sine wave with a known phase (30 degrees. Bubba Oscillator. I have two alternating current wave forms (raw sine waves) that are very similar to each other during steady state and the only difference between these two wave forms may last only for few milli. When the sine wave's DC level reaches the comparator's threshold voltage and that voltage is set to 0 V, the function generator produces a square wave, a signal with a 50% duty cycle (Output 1 in Figure 1). The cosine comes out the bottom because it's the projection on the x-axis, and when we did the sine, it was the projection on the y-axis, produced the sine wave when we went this way. The graph of sine has point symmetry about the origin. is a sinusoidal function that oscillates between $-165$ volts and $+165$ volts with a frequency of $60$ cycles per second. It is this second term that is responsible for the beating effect, and is known as an envelope. Dependencies. It allows both the frequency (1-800 Hz) and amplitude of the sine wave output to be varied. It ranges from -1 for to +1 for The function has zeroes where the angle is a multiple of. 1) Measuring the sine wave 2)Explore the triggering functions. In the following post I will show and explain how to create a sine wave sound in Android. Generate Square Wave Continued For this example: Generate a 4 Hz Square Wave with an Amplitude of 1. The sine wave formula is:. There is a noticeable rounding of the square wave edge, and a slight reduction of voltage amplitude when a 33Ω load is switched in. You can also use the High quality output from this project to insert a tone modulation in your audio and RF equipment. Release 0 button to monitor input wave form with offset control of function adjust the wave exactly at the middle of the trace and also release 0 button Of Raise the amplitude of function generator till at the output of Q2 square. It allows both the frequency (1-800 Hz) and amplitude of the sine wave output to be varied. I require to generate a continuous moving sine wave. This generator is capable of producing multiple waveforms, which you can select from the input function dropdown. Design an experiment to measure the speed of the wave. The output is now (considering the waveforms as simple graphs), a graph of the changing area beneath the input wave. System Analysis and Information Technology, SAIT2018, May 21 – 24, 2018, Kyiv. Features: - Generate sine wave, square wave, triangular waveform, saw tooth waveform, impulse,. The wavelength of the sine wave is denoted by λ. When graphed over time, the “wave” traced by this voltage of alternating polarity from an alternator takes on a distinct shape, known as a sine wave: Figure below Graph of AC voltage over time (the sine wave). Repeat the FFT for a 1 kHz square wave. So go easy ;) ). Select sine wave on the function generator, click on the frequency button and then set frequency10Hz. Triangle Wave Describing a Sine Wave. 6 Cloning Block-Diagram Icons 63 2. Ableton Live Max For Live The Sine Wave Song Ableton Live is a fantastic program. Construction of a sine wave with the user's parameters. Differences in Cost Between Modified and Pure Sine Wave Inverters. See Figure 2. The following front panel shown following is an example of how your Front Panel should appear. 1BestCsharp blog 7,604,921 views. Knowing your tinnitus frequency can enable you to better target masking sounds and frequency discrimination training. It's useful for digital synthesis of triangle waves. It provides the design of highly pipelined structures with extremally high clock frequency which are described on VHDL. Something that will "fill a 10k sample buffer with a 1 kHz wave at a 44. Taekwondo (8,555 words) exact match in snippet view article find links to article producing the up-and-down movement from which the term "sine wave" is derived. FUNCTION GENERATOR GENERAL DESCRIPTION AND SPECIFICATIONS. The output waveforms are somewhat affected by the load. The level of f1 is the signal generator rms level, the level of f2 is according to the signal ratio. You can see that it is not possible to measure either the wave frequency or amplitude with any degree of accuracy before a few cycles of the wave have elapsed. wave will appear as a sine wave (sinusoid) in either case. The following example generates multiple cycles and I am not sure how to get a single cycle. I would like to fit a sine wave trendline to the chart, and also get the amplitude and the period from the formula of the sine wave. I would like to know what's the equation of a "tilted" sine, that looks like this (no idea how to show it better). It can generate Sine waves, Square waves, Triangular and Sawtooth waveforms as well as other types of output waveforms. If it was modified to begin with, it would never be a pure sine wave. The following design, and accompanying Excel spreadsheet implement a sine wave generator that can be quickly assembled with a dual op amp. Since the sine function y = sin t begins at the origin (when t = 0), sine is the more convenient of the two for this purpose. However, we can have as many x values as we need, to some extent. It allows both the frequency (1-800 Hz) and amplitude of the sine wave output to be varied. Before you run the generator, think about which way you expect the current to flow through the wires. By using Microsoft Excel, we can easily create a graph sine, cosine graphs, charts and graphs tangent of the other trigonometric functions. Download Wolfram Player to view and interact with Wolfram Notebooks. 1 Front view – GP2500 a) Bar graph meters: Display battery voltage and current. This simplest kind of wave is often called a sine wave [ˈsajn ˌwev].