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university:courses:electronics:electronics-lab-20 [12 Jul 2019 13:57] – Pop Andreeauniversity:courses:electronics:electronics-lab-20 [23 Aug 2019 13:50] – Antoniu Miclaus
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 ===== Hardware Setup: ===== ===== Hardware Setup: =====
  
-Configure the waveform generator for a 1 KHz triangle wave with 4V amplitude and 2.5V offset. Both scope channels should be set to 1V/Div. If you are using the CD4069A on the plus and minus power supplies you will need to use a larger 8V amplitude and 0V offset.+Configure the waveform generator for a 1 KHz triangle wave with 4V amplitude peak-to-peak and 2.5V offset. Both scope channels should be set to 1V/Div. If you are using the CD4069A on the plus and minus power supplies you will need to use a larger 8V amplitude peak-to-peak and 0V offset.
  
 {{ :university:courses:electronics:cmos_amplifier_hardware_setup_1.png|}} {{ :university:courses:electronics:cmos_amplifier_hardware_setup_1.png|}}
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 ===== Hardware Setup: ===== ===== Hardware Setup: =====
  
-Configure the waveform generator for a 1 KHz sine wave with 2V amplitude and 0V offset. Both scope channels should be set to 1V/Div.+Configure the waveform generator for a 1 KHz sine wave with 2V amplitude peak-to-peak and 0V offset. Both scope channels should be set to 1V/Div.
  
 <WRAP centeralign> Figure 7 Hardware setup for single stage amplifier using HEF4007 </WRAP> <WRAP centeralign> Figure 7 Hardware setup for single stage amplifier using HEF4007 </WRAP>
 ===== Procedure: ===== ===== Procedure: =====
  
-Apply a sinusoidal signal of 2V amplitude with zero offset voltage to the input and measure the gain of the entire system from 10 to 100 KHz. Use the Network (Bode) analyzer to plot gain and phase vs. frequency for the entire system.+Apply a sinusoidal signal of 2V amplitude peak-to-peak with zero offset voltage to the input and measure the gain of the entire system from 10 to 100 KHz. Use the Network (Bode) analyzer to plot gain and phase vs. frequency for the entire system.
  
 ===== Questions: ===== ===== Questions: =====
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 ===== Hardware Setup: ===== ===== Hardware Setup: =====
  
-Configure the waveform generator for a 1 KHz sine wave with 2V amplitude and 0V offset. Both scope channels should be set to 1V/Div.+Configure the waveform generator for a 1 KHz sine wave with 2V amplitude peak-to-peak and 0V offset. Both scope channels should be set to 1V/Div.
  
  
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 ===== Procedure: ===== ===== Procedure: =====
  
-Apply a sinusoidal signal of 2V amplitude with zero offset voltage to the input and measure the gain of the entire system from 10 to 100 KHz. Use the Network (Bode) analyzer to plot gain and phase vs. frequency for the entire system.+Apply a sinusoidal signal of 2V amplitude peak-to-peak with zero offset voltage to the input and measure the gain of the entire system from 10 to 100 KHz. Use the Network (Bode) analyzer to plot gain and phase vs. frequency for the entire system.
  
 ===== Questions: ===== ===== Questions: =====
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 ==== Chopper Amplifier DC Transfer Characteristic ==== ==== Chopper Amplifier DC Transfer Characteristic ====
  
-Measure the transfer characteristic (DC gain) of the chopper amplifier by applying DC voltages between about -2 V and +2 V to the input and measuring the output. This can be done manually using waveform generator W1 with a DC wave shape and setting the offset. Be sure to take sufficient data to determine the linear and nonlinear ranges of the transfer characteristic. To reduce data taking time, try using the waveform generator to provide a very low frequency (100 Hz) triangle signal with 0V offset. For example, a 4V amplitude setting will give outputs between +2V and -2V, respectively.+Measure the transfer characteristic (DC gain) of the chopper amplifier by applying DC voltages between about -2 V and +2 V to the input and measuring the output. This can be done manually using waveform generator W1 with a DC wave shape and setting the offset. Be sure to take sufficient data to determine the linear and nonlinear ranges of the transfer characteristic. To reduce data taking time, try using the waveform generator to provide a very low frequency (100 Hz) triangle signal with 0V offset. For example, a 4V amplitude peak-to-peak setting will give outputs between +2V and -2V, respectively.
  
 ==== Chopper Amplifier Frequency Response ==== ==== Chopper Amplifier Frequency Response ====
  
-Apply a sinusoidal signal of 400mV amplitude with zero offset voltage to the input and measure the gain of the entire system from 10 to 100 KHz. Use the Network (Bode) analyzer to plot gain and phase vs. frequency for the entire system, paying special attention to the 50KHz to 100KHz range and the region near the frequency of the chopping clock.+Apply a sinusoidal signal of 400mV amplitude peak-to-peak with zero offset voltage to the input and measure the gain of the entire system from 10 to 100 KHz. Use the Network (Bode) analyzer to plot gain and phase vs. frequency for the entire system, paying special attention to the 50KHz to 100KHz range and the region near the frequency of the chopping clock.
  
 ==== Chopper Amplifier Results ==== ==== Chopper Amplifier Results ====
university/courses/electronics/electronics-lab-20.txt · Last modified: 02 Feb 2023 21:16 by Doug Mercer

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