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p2017a [2020/02/21 04:27]
k0ry add missing paren
p2017a [2020/06/14 21:33] (current)
k0ry [Project 2017b Microcontroller Nixie Clock] Fix p2017b -> p2017a in page title
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-====== Project ​2017b Microcontroller Nixie Clock ======+====== Project ​2017a Microcontroller Nixie Clock ======
   * 10 MHz XO   * 10 MHz XO
   * 1x6 Multiplex Display (IN-12 Tubes)   * 1x6 Multiplex Display (IN-12 Tubes)
Line 7: Line 7:
  
  
-HP5335A is measuring time from 'every other 1PPS' clock debug signal to XLI 1PPS out.+<del>HP5335A</​del>​ HP5334A ​is measuring time from 'every other 1PPS' clock debug signal to XLI 1PPS out.
  
 The unwrapped TIC data is really just a simple remapping of [0,1] to [-0.5, 0.5]. The unwrapped TIC data is really just a simple remapping of [0,1] to [-0.5, 0.5].
  
-Temperature measurements from Acromag 965EN (loaner unit courtesy of WV7U ​TNX!)  ​"​Clock"​ channel thermocouple is in the air about 2 inches from the 10 MHz crystal. ​ "​Window"​ channel thermocouple is leaning against the window ​(about 18 inches from the clock).+Temperature measurements from Acromag 965EN. "​Clock"​ channel thermocouple is in the air about 2 inches from the 10 MHz crystal. ​ "​Window"​ channel thermocouple is currently unavailable (was leaning against the windowabout 18 inches from the clock).
  
 ==== Last 24 hours ==== ==== Last 24 hours ====
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 {{:​wiki:​p2017a:​raw_tic_full.png|}} {{:​wiki:​p2017a:​raw_tic_full.png|}}
  
-=== Freshness Label ===+ 
 +=== Frequency Error vs. Temperature === 
 +{{:​wiki:​p2017a:​scatter_freq_error_vs_temp.png|}} 
 + 
 +==== Freshness Label ====
 <php> <php>
 include "​data/​media/​wiki/​p2017a/​time_of_last_update.html";​ include "​data/​media/​wiki/​p2017a/​time_of_last_update.html";​
p2017a.1582259264.txt.gz · Last modified: 2020/02/21 04:27 by k0ry