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university:courses:alm1k:alm-lab-heart-rate-mon [05 Dec 2017 19:45]
Doug Mercer [Materials]
university:courses:alm1k:alm-lab-heart-rate-mon [11 Jan 2018 21:36]
Doug Mercer [Background]
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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=====
university/courses/alm1k/alm-lab-heart-rate-mon.txt · Last modified: 11 Jan 2018 21:36 by Doug Mercer