Lab: Passive RL Filter (June 05, 2017)

Date: 06/05/2017

Passive RL Filter

 In this example we are solving for the bandwidth, the initial frequency, the upper and lower frequencies, and the quality. Each one of these has its own equation that is used to determine its value.

 More work was done to find the power of this circuit by finding the impedence and the voltage and the current.

This is the circuit for the passive RL filter and above it is a list of the frequencies we used to get the graphs.

These are the results for the frequencies that were listed on the piece of paper.

Lab: Signals with Multiple Frequency Components (May 30, 2017)

Date: 05/30/2017

Signals with Multiple Frequency Components

 This is an example of poles for a transfer function. The poles will be on the denominator for the transfer function. They will help determine how the signal moves across the circuit.

This is the entire lab for signals with Multiple frequencies. The pictures were mixed up during the transfer onto blogger. Essentially, we tried to do the prelab but did not understand transfer functions so we struggled to get the right signal. Then we looked at the way that another classmate did theirs and were able to get signal. The built circuits for this lab are above in the pictures. The first frequency is just an example frequency. The second frequency was the one that we got. It shows the way that the signal moves because of the poles and zeros found by the multiple frequency components.

Lab: Apparent Power and Power Factor (May 25, 2017)

Date: 05/25/2017

Apparent Power and Power Factor

 This is a graph of what power output would look like theoretically. We find the power, the current max, the voltage max, and the power max.

 This is an example combining phasors that we learned in the previous class and using them to find the complex power, the apparent power, the real power, the reactive power, and the power factor. he most difficult concept of all of these is the complex power because we are dealing with power in the imaginary part of the phasor.

 In this example, we are once again using the phasor to find the voltage across the inductor. In order to achieve this, we need to put all of the elements in their impedance form; the impedance for inductor is z=jwl. Then we find the apparent power, the average power, and the RMS.

 This is the built circuit for the apparent power lab.

 These are the results with 10 ohms across the resistor and 10 ohms across the inductor.

 These are the results with 10 ohms across the inductor. 

Lab: OP Amp Relaxation Oscillator (May 23, 2017)

Date: 05/23/2017

OP Amp Relaxation Oscillator

In this lab, we are looking at a relaxation oscillator. We used nodal analysis to solve for the output voltage. The Every circuit model was for the demonstration of our upcoming final project. 

Lab: Impedance (May 16, 2017)

Date: 05/16/2017

Impedance

 This is an example of impedance and acceptance. The impedance of a circuit is the ratio of the phasor voltage to the phasor current measured in ohns. We solved for current and voltage in the phasor domain using impedance of each element.

 This is an example of finding impedance of the circuit. To find the impedance of a capacitor, the equation z=1/jwc.

 These are the diagrams for one kilohertz. That is the built circuit.

These are the graphs for the five khertz along with the built circuit. 

 10 kilohertz.

 This is the pre-lab for the impedance lab in which we find the impedance for the resistor, an inductor, and a capacitor. They are solved from left to right.

This is an example of combining impedances. Since the impedance of an element acts like a resistor, the same laws for adding resistors in series or parallel apply in this case.