Difference between revisions of "FM Transmitters"
(→Benefits of them) |
(→Types of Antenna) |
||
| Line 37: | Line 37: | ||
====Types of Antenna==== | ====Types of Antenna==== | ||
| − | Here are some common antennas | + | Here are some common antennas (Listed in preferred order for low power FM Transmitters) |
1. 1/4 Wave Ground Plane | 1. 1/4 Wave Ground Plane | ||
| Line 47: | Line 47: | ||
4. J-Pole | 4. J-Pole | ||
| − | 5. | + | 5. Multiple Element Yagi Beam |
6. Flexible dummy loads (often called Rubber Ducky, or a Loaded Vertical) | 6. Flexible dummy loads (often called Rubber Ducky, or a Loaded Vertical) | ||
Revision as of 12:12, 4 May 2011
Contents
General Information
| Legal Familiarization | To do anything contrary to FCC rules is at WHOEVER YOU ARE's own responsibility and that the information provided is for educational purposes and that DIYLIGHTANIMATION is not responsible for anything you do illegally.
We only need 250-300 feet and 500 ft., is pushing it. The FCC will bust those who have these .5 to 5 Watt systems with dipole half wave antennas sticking up in the yard or on the roof. if they are hanging Antennas up on the house and transmitting more than 100 yards there will be a big target on them. Antennas should be kept out of site, in the house, not on the house or in the yard. FCC PDF |
| Find a Open Frequency | U.S. light-show masters should always visit
before setting up their transmitter. You input your ZIP code and it tells you the three or four frequencies that work the best in your area |
Recommended Transmitters by DLA Members (not DLA administration)
In No particular order
Not Recommended Transmitters
- Whole House Transmitters
- Belkin Ipod
Antenna’s & Frequency only
Types of Antenna
Here are some common antennas (Listed in preferred order for low power FM Transmitters)
1. 1/4 Wave Ground Plane
2. The Dipole
3. The Folded Dipole
4. J-Pole
5. Multiple Element Yagi Beam
6. Flexible dummy loads (often called Rubber Ducky, or a Loaded Vertical)
Benefits of them
The antenna can be a major source of interference. If the length of the antenna is not properly matched to the transmitter, it can sometimes generate unwanted signals that are transmitted more effectively than the desired operating frequency and its contents.
