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university:courses:electronics:electronics-lab-13 [01 Apr 2017 17:01] – [Hardware Setup:] Doug Merceruniversity:courses:electronics:electronics-lab-13 [27 Jan 2023 16:21] (current) – [Questions:] Doug Mercer
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-====== Activity 13. Making a full Operational Amplifier from previous blocks ======+====== Activity: Making a full Operational Amplifier from previous blocks - ADALM2000======
  
-====== 13.1 High gain amplifier ======+====== High gain amplifier ======
  
 ===== Objective: ===== ===== Objective: =====
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 ===== Directions: ===== ===== Directions: =====
  
-On your solder-less breadboard construct the amplifier circuit shown in figure 1 below. The green boxes indicate connections to the connector on ADALM2000. +On your solder-less breadboard construct the amplifier circuit shown in figure 1 below. The breadboard connections are shown in figure 2. The green boxes indicate connections to the connector on ADALM2000. 
  
 {{ :university:courses:electronics:a13_f1.png?550 |}} {{ :university:courses:electronics:a13_f1.png?550 |}}
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 Connect your circuit to the ADALM2000 I/O connector as indicated by the green boxes. It is best to ground the unused negative scope inputs when not being used. If the SSM2212 NPN matched pair is used then it is best to use it for Q<sub>1</sub> and Q<sub>2</sub>. Connect your circuit to the ADALM2000 I/O connector as indicated by the green boxes. It is best to ground the unused negative scope inputs when not being used. If the SSM2212 NPN matched pair is used then it is best to use it for Q<sub>1</sub> and Q<sub>2</sub>.
 +
 +{{ :university:courses:electronics:a13_amp.png?|}}
 +
 +
 +<WRAP centeralign> Figure 2 Three stage amplifier Breadboard Circuit </WRAP>
 +
  
 ===== Procedure: ===== ===== Procedure: =====
  
-Configure AWG1 for a 1 KHz sine wave with an amplitude of 200 mV and zero offset. Using scope channel 1 to observe the input at W1 and scope channel 2 to observe the output of the amplifier at R<sub>L</sub>, record the input to output amplitude and phase relationship.+Configure waveform generator for a 1 KHz sine wave with an amplitude of 400 mV peak-to-peak and zero offset. Using scope channel 1 to observe the input at W1 and scope channel 2 to observe the output of the amplifier at R<sub>L</sub>, record the input to output amplitude and phase relationship. 
 + 
 +{{ :university:courses:electronics:a13_wf_amp.png? |}} 
 + 
 +<WRAP centeralign> Figure 3 Three stage amplifier Waveforms</WRAP>
  
 ===== Questions: ===== ===== Questions: =====
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 What happens when C<sub>2</sub>is removed and why? What happens when C<sub>2</sub>is removed and why?
  
-======13.2 Unity gain amplifier ======+====== Unity gain amplifier ======
  
 ===== Objective: ===== ===== Objective: =====
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 ===== Directions: ===== ===== Directions: =====
  
-Construct the circuit shown in figure 2 on your solder-less breadboard.+Construct the circuit shown in figure 4 on your solder-less breadboard. The breadboard connections are shown in figure 5.
  
 {{ :university:courses:electronics:a13_f2.png?550 |}} {{ :university:courses:electronics:a13_f2.png?550 |}}
  
-<WRAP centeralign> Figure 2 Amplifier with unity gain </WRAP>+<WRAP centeralign> Figure 4 Amplifier with unity gain </WRAP>
  
 ===== Hardware Setup: ===== ===== Hardware Setup: =====
  
 Connect your circuit to the ADALM2000 I/O connector as indicated by the green boxes. It is best to ground the unused negative scope inputs when not being used. Connect your circuit to the ADALM2000 I/O connector as indicated by the green boxes. It is best to ground the unused negative scope inputs when not being used.
 +
 +{{ :university:courses:electronics:a13_ug.png? |}}
 +
 +<WRAP centeralign> Figure 5 Amplifier with unity gain Breadboard Circuit </WRAP>
 +
  
 ===== Procedure: ===== ===== Procedure: =====
  
-Configure AWG1 for a 1 KHz sine wave with an amplitude of 1 V and zero offset. Using scope channel 1 to observe the input at W1 and scope channel 2 to observe the output of the amplifier, record the input to output amplitude and phase relationship.+Configure AWG1 for a 1 KHz sine wave with an amplitude of 2 V peak-to-peak and zero offset. Using scope channel 1 to observe the input at W1 and scope channel 2 to observe the output of the amplifier, record the input to output amplitude and phase relationship. 
 +{{ :university:courses:electronics:a13_wf_ug.png? |}} 
 + 
 +<WRAP centeralign> Figure 6 Amplifier with unity gain Waveforms</WRAP> 
  
 ===== Questions: ===== ===== Questions: =====
  
-Add questions here:+<note>Add questions here:</note> 
 + 
 +Here is a good technical paper on how to make [[adi>en/analog-dialogue/articles/simple-op-amp-measurements.html|Simple Op Amp Measurements]]. 
 + 
 +<WRAP round download> 
 +**Resources:** 
 +  * Fritzing files: [[downgit>education_tools/tree/master/m2k/fritzing/full_op_amp_blocks_bb | full_op_amp_blocks_bb]] 
 +  * LTspice files: [[downgit>education_tools/tree/master/m2k/ltspice/full_op_amp_blocks_ltspice | full_op_amp_blocks_ltspice ]] 
 +</WRAP> 
 + 
 +**Return to Lab Activity [[university:labs:electronics|Table of Contents]]** 
 + 
 +=====Appendix: More advanced versions on a PC board=====
  
-**Return to Lab Activity [[university:courses:electronics:labs|Table of Contents]]**+{{page>::university:courses:alm1k:alm-lab-13#pcb_construction}}
  
  
  
  
university/courses/electronics/electronics-lab-13.1491058866.txt.gz · Last modified: 01 Apr 2017 17:01 by Doug Mercer

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