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playground:alphatross [2020/03/17 16:30]
jacobs
playground:alphatross [2020/06/11 08:41]
jacobs
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 ==== NEC Alphatross RF Source Instructions ==== ==== NEC Alphatross RF Source Instructions ====
    
-THESE ARE DRAFT INSTRUCTIONS WRITTEN REMOTELY. ​ THERE MAY BE OMISSIONS AND INCORRECT NOMENCLATURE,​ USE YOUR OWN JUDGEMENT... 
- 
 **  __START UP__ ** **  __START UP__ **
  
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     - Raise the Probe Voltage to 3 KV as a start, this might be enough to get the plasma going.     - Raise the Probe Voltage to 3 KV as a start, this might be enough to get the plasma going.
     - If there is still no plasma try raising the Mass Flow setting to as much as .5 SCCM to inspire ignition and then return to .35 SCCM.      - If there is still no plasma try raising the Mass Flow setting to as much as .5 SCCM to inspire ignition and then return to .35 SCCM. 
 +    - **This is a pause point for source clean up, can run like this for days, should reduce probe current over time**
     - Monitor the Probe Current, maintain 3 mA +/- 1 mA, and continue raising the Probe Voltage until it reaches 6.5 KV.        - Monitor the Probe Current, maintain 3 mA +/- 1 mA, and continue raising the Probe Voltage until it reaches 6.5 KV.   
   - Set the Oven Voltage to 87 V, wait ten minutes. ​ After 10 minutes the Oven Temp should be around 150 C.   - Set the Oven Voltage to 87 V, wait ten minutes. ​ After 10 minutes the Oven Temp should be around 150 C.
playground/alphatross.txt ยท Last modified: 2022/06/08 09:05 by leblanc