fm jammer help

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jakefinley

Joined Feb 14, 2015
2
Hello I was wondering if some one could help me with a fm jammer. I will be using it solely for myself so no need to worry. I seen this digram but I'm not good with themhttps://www.google.com/search?q=fm+jammer+circuit&safe=off&tbm=isch&tbo=u&source=univ&sa=X&ei=CtHfVOnYA4m5ggTVnoLYAw&ved=0CCoQ7Ak&biw=360&bih=559#imgrc=qpqM1H0n1IOO6M%253A%3BF9cCHRpzbfBjSM%3Bhttp%253A%252F%252Fwww.next.gr%252Fuploads%252F135-ff742f5154.gif%3Bhttp%253A%252F%252Fwww.next.gr%252Frf%252FJammer-Circuits%252F%3B555%3B306

Also I seen a video on YouTube where they guys uses a fm transmitter chiphttp://youtu.be/TDcDWqCqWqI

I have these two chips but was wondering if they would workhttp://html.alldatasheet.com/html-pdf/46653/SONY/CXA1691BM/611/7/CXA1691BM.html

http://html.alldatasheet.com/html-pdf/37702/SAMSUNG/S1A0426C02/1011/4/S1A0426C02.html

Thank you for your help
 

Dodgydave

Joined Jun 22, 2012
11,284
Don't know of its illegal in the US, but the fm jammer works on one frequency at a time, basically its a transmitter at a certain power,which will obviously need a license for.
 

Thread Starter

jakefinley

Joined Feb 14, 2015
2
Don't know of its illegal in the US, but the fm jammer works on one frequency at a time, basically its a transmitter at a certain power,which will obviously need a license for.
I'm just using it in my house to Jam a certian radio station I belive it's only illegal if used in public
 

WBahn

Joined Mar 31, 2012
29,976
Hello I was wondering if some one could help me with a fm jammer. I will be using it solely for myself so no need to worry.
Why do you want to jam yourself?

Actually, I can think of several reasons -- in fact some work I did a few years back needed the ability to generate jamming signals to evaluate the jam-resistance of what we were working on, so it's not at all inconceivable that you have a very benign intent.

But, in general, jammers and other similar things are not well-received by the owners and mods here. Phone jammers are specifically prohibited by the ToS.
 

Alec_t

Joined Sep 17, 2013
14,280
Then what you want is a narrow-band rejection filter, not a jammer (which is a transmitter, as Dodgydave stated). Do you have a schematic for the RF front end of your FM receiver?
 

WBahn

Joined Mar 31, 2012
29,976
I'm just using it in my house to Jam a certian radio station I belive it's only illegal if used in public
That depends on where you are. And how do you intend to keep the effect constrained to your house? And why do you want to jam a certain radio station as opposed to just not tuning it in? Are your kids listening to something you object to? If so, you are treating the symptom and not the problem.
 

MrChips

Joined Oct 2, 2009
30,706
This thread is against the AAC forum rules, Chapter 6, as seen here:

6.Restricted topics.The following topics are regularly raised, are considered “off-topic” at all times and will result in your thread being closed without question:
• Any kind of over-unity devices and systems
• Automotive modifications
• Devices designed to electrocute or shock another person
• LEDs to mains
Phone jammers
• Rail guns and high-energy projectile devices
• Transformer-less power supplies
This includes any kind of RF jammer.

This can be found in our Terms of Service (ToS)

Here is a site that may provide you with some assistance: Electro Tech Online

Good luck
 

bertus

Joined Apr 5, 2008
22,270
Hello,

The ToS also has this text in it:

Forum members must not knowingly provide any information that may adversely affect another member; this includes, but is not restricted to, information that may potentially result in injury, death, damage or destruction of property and possessions. The administration takes this matter seriously and has the right to remove any contentious content and deal with the offending member as it deems is necessary.
Bertus
 
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