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university:courses:alm1k:alm-lab-heart-rate-mon [05 Dec 2017 19:45] – [Materials] Doug Merceruniversity:courses:alm1k:alm-lab-heart-rate-mon [14 May 2022 16:31] (current) – [Questions] Doug Mercer
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   *Preamplifier - the output signal from the heartbeat measurement setup is decoupled through the series capacitor and amplified using a negative feedback resistor(R4).   *Preamplifier - the output signal from the heartbeat measurement setup is decoupled through the series capacitor and amplified using a negative feedback resistor(R4).
   *Low-Pass Filter - RC filter that cuts the high frequencies (noise).   *Low-Pass Filter - RC filter that cuts the high frequencies (noise).
-  *[[university:courses:electronics:electronics-lab-1|Voltage Follower]] - buffers the output of the low-pass filter and reproduces its voltage with a low impedance output; +  *[[university:courses:alm1k:alm-lab-1|Voltage Follower]] - buffers the output of the low-pass filter and reproduces its voltage with a low impedance output; 
-  *[[university:courses:electronics:electronics-lab-1|Inverting Amplifier]] with Low-Pass Filter - amplifies the voltage signal and cuts the high frequencies (noise);+  *[[university:courses:alm1k:alm-lab-1|Inverting Amplifier]] with Low-Pass Filter - amplifies the voltage signal and cuts the high frequencies (noise);
  
 =====Materials===== =====Materials=====
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   * Download: {{:university:courses:electronics:heartbeat-bb-dl.zip|Breadboard Circuit - Fritzing}}   * Download: {{:university:courses:electronics:heartbeat-bb-dl.zip|Breadboard Circuit - Fritzing}}
 </WRAP> </WRAP>
 +**For further reading:**
 +
 +[[wp>Photoplethysmogram|Photoplethysmogram]]\\
 +[[wp>Heart_rate_monitor|Heart rate monitor]]
 +
 **Return to Lab Activity [[university:courses:alm1k:alm-labs-list|Table of Contents]].** **Return to Lab Activity [[university:courses:alm1k:alm-labs-list|Table of Contents]].**
university/courses/alm1k/alm-lab-heart-rate-mon.1512499530.txt.gz · Last modified: 05 Dec 2017 19:45 by Doug Mercer