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airband_prm80

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airband_prm80 [2018/09/14 22:46]
vk3smb created
airband_prm80 [2020/06/14 00:06] (current)
vk3smb [The VCO.]
Line 28: Line 28:
 ==== The VCO. ==== ==== The VCO. ====
  
-The VCO needs extra capacitance added to allow it to operate on the Airband. Have a close look at the RX VCO. There is a small chip cap mounted where the vacant pads are located in the E band version. On the receive VCO place a 5.6pF smd cap accross ​this cap. See photo 1.+The VCO needs extra capacitance added to allow it to operate on the Airband. Have a close look at the RX VCO. There is a small chip cap mounted where the vacant pads are located in the E band version. On the receive VCO place a 5.6pF smd cap across ​this cap. See photo 1.
  
 {{ :​rxvco.jpg?​direct&​400 |}} {{ :​rxvco.jpg?​direct&​400 |}}
airband_prm80.1536929202.txt.gz ยท Last modified: 2018/09/14 22:46 by vk3smb