Difference between revisions of "RF Noise Generator"

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Line 18: Line 18:
 
* Unique nodes in red
 
* Unique nodes in red
 
* Prototype on single sided copper clad PCB
 
* Prototype on single sided copper clad PCB
 +
* KiCAD zener packages have backwards silkscreen (will need to fix on OshPark PCBs)
  
 
[[file:NG-layout.PNG]]
 
[[file:NG-layout.PNG]]

Revision as of 15:57, 21 August 2021

Design

  • Useful as a filter test signal source
  • From Experimental Methods in RF Design
    • Fig 7.72
    • Described as "not flat"
  • "Junk box" parts
    • (2) 2N3904 transistors
    • (2) 5V (nominal) zener diodes
  • Noise figure -50 dBm @ 10 MHz

Schematic

Ng-sch-prototype.PNG

Prototype

  • Unique nodes in red
  • Prototype on single sided copper clad PCB
  • KiCAD zener packages have backwards silkscreen (will need to fix on OshPark PCBs)

NG-layout.PNG

Assembly Sheet

RF Noise Generator Rev 1