GPS circuits
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G3XTZ DF Rx Details
The receiver is constructed on a single-sided printed circuit board measuring 2 by 4.3 inches. Its compact size allows for installation in various enclosures, which should be adequately shielded. The main directional signal is captured by a tuned ferrite rod...
Antennas for HAM transmitters
Antenna is the means by which a wireless operator puts his signal into the space and also through which he picks up the signals of the stations with which he wants to communicate. Hence after having a good Receiver and...
vehicle tracking system using gps
An embedded system designed for tracking and positioning vehicles utilizes the Global Positioning System (GPS) and the Global System for Mobile Communication (GSM). This project employs the AT89S52 microcontroller to interface with various hardware peripherals. The system continuously monitors a...
the Open GPS Tracker
The tracker is straightforward to construct on a perfboard. A basic one-pad-per-hole perfboard and 26-gauge wire are recommended, although 30-gauge wire may be more suitable. All electronic components can be sourced from Mouser Electronics, while Radio Shack offers the perfboard...
GPS Synchronised Clock
This project replaces the electronics in a standard quartz wall clock with a circuit that uses GPS satellites to obtain precise time.
The proposed project involves the modification of a conventional quartz wall clock by integrating a GPS-based timing circuit. The...
Antenna ground loop Isolator
A ground loop in your AV system caused by antenna connection or TV cable is very common if you have your computer connected to the same system. This type of ground loop problem can be solved by using suitable isolation...
Problem With Electrical Distribution
A 2005 McGregor 26 sailboat is equipped with a Standard Horizon CP150C GPS unit. After relocating the boat to British Columbia, Canada, the GPS unit failed to power on, despite being brand new and unused by the original owner. The...
Receiver If Amplifier
Tl is tuned to the converter output frequency Ul to provide a gain of 45 to 50 dB, depending on the design of Tl and T2. C2, C3, C4, C5, and C6 function as bypass capacitors. R5 serves as a...
gps voice interface circuitry
The yellow wires on the far right serve as temporary power connections, allowing battery power to enter through the contact studs located in the large holes that press against the radio's battery terminals. The cable in the lower right is...