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dual band antenna
- Thread starter baykus
- Start date
MacGyverS2000
Electrical
Can't say I've ever heard a microstrip in the 900MHz range considered "high gain"... ![[wink]](/data/assets/smilies/wink.gif "[wink] [wink]")
Dan - Owner
Dan - Owner
- Thread starter
- #3
MacGyverS2000
Electrical
If you tell us what you're trying to accomplish, we can provide more useful feedback. Otherwise, we're trying to hit a moving target.
Why do you need more gain than, say, a typical whip. Do you need omni-directional? Etc.
Dan - Owner
Why do you need more gain than, say, a typical whip. Do you need omni-directional? Etc.
Dan - Owner
- Thread starter
- #5
excuse me.I started learning the new antenna design.I do not know exactly what to ask why. I have to design omni-directional and dual-band antenna for 868/915 MHz.I am try to loop antenna using CST for 868MHz. But I do not know how dual-band. I hope you can help.
Omni-directional combined with high gain implies a tall colinear array or similar. Omni gain. Not a Yagi, not a log periodic.
868 to 915 (nominally) is only about a 2.5% bandwidth around the middle 891.5 MHz. So, maybe treat it as a wide bandwidth antenna problem, which should be easier.
868 to 915 (nominally) is only about a 2.5% bandwidth around the middle 891.5 MHz. So, maybe treat it as a wide bandwidth antenna problem, which should be easier.
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- #7
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