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university:tools:m1k:alice:desktop-sa-ba-ia-users-guide [20 Aug 2021 15:59] – [The menu buttons:] Doug Merceruniversity:tools:m1k:alice:desktop-sa-ba-ia-users-guide [26 Sep 2022 15:06] – [Bode Plotting Window Setup:] Doug Mercer
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 =====The Bode Plotter:===== =====The Bode Plotter:=====
  
 +Bode plots (named after [[wp>Hendrik_Wade_Bode|Hendrik Wade Bode]]) are theoretical straight-line approximations of gain and phase response versus frequency of a system’s output relative to the input (frequency response). The plot is based on poles and zeros of the circuit’s transfer function. Testing of actual circuits, shows that the actual gain and phase traces are not be perfect straight lines, especially near the theoretical pole and zero frequencies.
 +
 +Frequency response analysis is a critical step in the design of passive and active filters, amplifiers, and the closed-loop response of negative feedback systems. Frequency response analysis has historically been a very tedious measurement exercise using just an oscilloscope along with a sinewave function generator as the input source. It involved multiple manually-performed amplitude and phase (time difference) measurements to determine gain (A = 20LogV<sub>OUT</sub>/V<sub>IN</sub>) and phase at multiple frequencies. The ALICE desktop software can perform automatic frequency response measurements (sweeps) using the M1k's built-in waveform generator as a sinewave input source.
 ====Bode Plotting Window Setup:==== ====Bode Plotting Window Setup:====
  
-When the Bode Plot window button is clicked in the ALICE Main Window the Bode Plot display Window should appear, as shown in figure 2. It is sub divided into 2 sections.+Before you perform a frequency response test to produce a gain and phase Bode plot, you should have a basic understanding of the test setup parameters in the ALICE Bode Plot menu. When the Bode Plot window button is clicked in the ALICE Main Window the Bode Plot display Window should appear, as shown in figure 2. It is sub divided into 2 sections.
  
 {{ :university:tools:m1k:alice:bode-main-window.png |}} {{ :university:tools:m1k:alice:bode-main-window.png |}}
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 **For Further Reading:** **For Further Reading:**
 +
 +[[https://www.radiolocman.com/review/article.html?di=643359|Circuit measures capacitance or inductance]]
  
 **Return to the [[university:tools:m1k:alice:desk-top-users-guide|ALICE Main Page]].** **Return to the [[university:tools:m1k:alice:desk-top-users-guide|ALICE Main Page]].**
  
university/tools/m1k/alice/desktop-sa-ba-ia-users-guide.txt · Last modified: 26 Sep 2022 15:09 by Doug Mercer

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