Skip to content

Latest commit

 

History

History
31 lines (24 loc) · 1.29 KB

README.md

File metadata and controls

31 lines (24 loc) · 1.29 KB
Raw

FT-991A PAT

Yaesu FT-991A Custom Panoramic Adapter TAP Board for external SDR / Spectrum Analyser

History (OE2DOR) 05/11/2018

  • Board Layout changed to fit neatly inside FT-991A
  • Connection to IF using existing U.FL jumper cable
  • Connection to FT991A SCP-UNIT using additional short U.FL jumper cable
  • Connection to SDR/SpectrumAnalyser using new U.FL to SMA cable
  • Mounting using M3/10mm PCB Spacer soldered to head of existing PCB mounting screw (since PCB mounting screw has no metric thread)
  • Fixation using M3 Plastic nut & screw sticking into tuning hole of shielding box
  • All but one resitor (1206) changed to 0805 to allow for smaller PCB layout

History (G4HUP/W3AXL) Updated G4HUP / W3AXL panadapter tap Simple revision to the G4HUP high-impedance IF tap with specific components and updated filters.

12/14/2017

  • Revised parts.md to add quantity of parts needed.

12/10/2017

  • Up and running on a Yaesu FT-991A

12/10/2017

  • Revised component values to values that you can actually obtain. Added digikey parts list.

10/22/2017

  • Second revision testing complete and satisfactory. Up and running on a Yaesu FT-450D

08/30/2017

  • Schematic revised to fix capacitor placement error in original schematic. New boards sent out for fabrication and testing will be done when they get back.