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Direction Finder Circuits
Direction Finders:  #-F      G-Z
Last Updated on:
Monday, July 27, 2015 04:43 AM


Links to electronic circuits, electronic schematics, designs for engineers, hobbyists, students & inventors:

A GPS Receiver Based Frequency Standard -  Frequency accuracy has been a topic of special interest to many amateurs and experimenters since the early days of radio. Until recently, the best frequency standard available to most hams was a crystal oscillator carefully adjusted to zero-beat. . .  [by Brooks Shera, W5OJM]

 

A PIC-based "TDOA" RDF (radio direction finder) antenna unit -  Microcontroller based electronic circuit. . . 

 

Alternative Power Source for Magellan GPS Receivers -  . . . 

 

AN-702: Build a Direction-Sensing Bidirectional Repeater -  Application Note. . .  [National Semiconductor]

AN996: Designing a Digital Compass using the PIC18f2520 -  Application Note Published 8-Aug-05. . .  [Microchip]

 

Application for 1.575 GHz GPS with UPC8211TK -  Application Note  Doc #960. . .  [California Eastern Laboratories]

 

Build a Direction-Sensing Bidirectional Repeater -  Application Note. . .  [National Semiconductor]

Compass Schematic -  Schematic only, no circuit description given. . .  [Stakshi Takasi listed as designer]

 

Compass Sensor -  . . . 

 

Designing a Digital Compass using the PIC18f2520 -  Application Note Published 8-Aug-05. . .  [Microchip]

 

Digital Compass -  Schematic only, no circuit description given. . .  [Stakshi Takasi listed as designer]

 

Dinsmore 1490 Digital Compass -  . . .  [Copyright 2007-2014 Images SI, Inc]

 

Direction Finder System -  . . .  [from Harry Lythall's website]

 

Direction Finding System -  Similar to the system used in modern aviation where an antenna array modulates the phase of an incoming signal. The commercial system is known as Commutated Aerial Direction Finding (CADF) where a ring of 18 identical antennas are each switched on in sequence, just like winding a rotary switch round and round so that one antenna is always connected to the receiver. . . .  [by Harry Lythall-SM0VPO]

 

Direction sensing motion detector -  Detects motion and indicates the direction that a human or animal is moving (left or right).    12 pages. This project is not available as a kit of parts. . . .  [free schematic from Golab.com]

 

Electronic Compass Controller -  Several Projects, scroll down. Eventually we all want to know just where our robot is, so we can choose an absolute direction. Usually this type of device is quite expensive. However to our rescue comes Dinsmore with low-cost electronic compass module. It outputs the four cardinal points and combinations thereof that will give eight directions. I decided that combining this with tilt sensors (the Dinsmore compass will only work if not tilted more than 12 degrees) would be a cool project. I am using a PIC 12C508 to do the dirty work and return an 8 bit number with the directional and tilt data all included. . .  [Dennis Clark's website]

 

External Antenna for the GPS-38 Magellan 2000 or Eagle Explorer GPS Receivers -  . . . 


Direction Finders:  #-F      G-Z


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