REMOTE DISPLAY
REVERSE AUDIO AND ISOLATION
MICRO CONTROLLER AND E PROM
LED DISPLAY BRIGHTNESS CONTROL
AUDIO INPUT REMOTE DISPLAY OR MAIN RDF
UNDERSTANDABLE  AUDIO WHILE IN RDF MODE
22.5* BEARINGS VIA DISPLAY
HI/LOW LED SIGNAL INDICATON
BUILT AND FIELD TESTED BY ME W9XL

CLICK ON PHOTO
TO ENLARGE

To contact K9VCN Click here

Automatic audio gain adjust circuits
New Improvements may not be up to date  at this site.

Display PCB

Inside display

Fox Buster Main RDF PCB

W9XL Antenna

Ant Bottom Removed

Ant Bottom View

Ant Switching PCBS

Vertical Ant Under Side

                        Schematics/Drawings
               Power supplies     Schematic link
               Main PCB             Digital A to D circuits link
               
Audio Circuits      Schematic link
               
Display                  Schematic link
               
Antenna system    Schematic link

There have been improvements to the minus power supply components. This would consist of fewer parts.

I will be adding more text for unit operation when I get the time.

This unit has K9VCN'S audio switching circuits. This design takes accurate information from the received audio signal. I have used this unit many times and have had great success fox hunting.
     To get theory programmed CPU/EPROM and information on this unit you can
E:Mail    K9VCN by   clicking here

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To contact us:

Email:w9xl@earthlink.net