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DF100 bảng dữ liệu(PDF) 3 Page - List of Unclassifed Manufacturers

tên linh kiện DF100
Giải thích chi tiết về linh kiện  Norfolk Amateur Radio Club DF100 direction finder project for ?쏤oxhunting?
PDF  4 Pages
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nhà sản xuất  ETC [List of Unclassifed Manufacturers]
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DF100 bảng dữ liệu(HTML) 3 Page - List of Unclassifed Manufacturers

  DF100 Datasheet HTML 1Page - List of Unclassifed Manufacturers DF100 Datasheet HTML 2Page - List of Unclassifed Manufacturers DF100 Datasheet HTML 3Page - List of Unclassifed Manufacturers DF100 Datasheet HTML 4Page - List of Unclassifed Manufacturers  
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 3 / 4 page
background image
3
PP3
Battery
Connection plate made of scrap
piece of plain copper clad PCB
under each dipole/screw
Pin or screw to help hold PCB in
place
ENLARGED VIEW
Bend dipole element wire into 3/4 loop and clamp under head of
screw or nut and bolt with washer to cover (with optional spring)
Switch up = DF mode
Switch down = monitor mode
Metal tin
(eg tobacco,
mustard etc)
These two coax
feeders must be
the same length
BNC plug to
receiver
Single wire to link
case to PCB ground
NARC DF100 Casing and final construction
All 3 coax connections:
Core to top hole
Braid to bottom hole
Distance between Dipoles 710mm (approx 29”)
Case Finishing:
• Drill 3 holes for RG58 coax
RG58 is typically 5mm ø
diameter - ideally add grommets.
• Drill 6mmø hole for Toggle
switch (which also holds PCB)



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