is this device good for a person with tinnitus?

could you please send me technical specification of this white noise generator. thank you

Could something like this be used to help suppress the bass coming through the wall from my neighbor's stereo?

Any idea where I can get a prie for one of these units?

pls can a single tunning circuit drive two differnt VCOs operating at different freqs. thanks

It really helped me a lot regarding my final year Engineering project!

could you please send me all the technical specifications. to me this is very necessary

could you please send me all the technical specifications. couple of questions for you -why did nt u use a regular zener diode. -what is 'power compession' and why do u need a 50 mhz filter? -how much reveerse bias should you give the 2n2907 bjt and is there any reason why you have picked it to work as a zener -why are commercial noise generators more expensive?wha noise source do they use? -how much collector current do you require to generate sufficient white noise. Thanks... appreciate it

No the concept is that white noise is essentially wideband psuedorandom noise. You can hear it in the hiss of a 2-way radio that is unsquelched. Ideally our brains tend to focus on this rather than the ambient vocal sounds in the room. But after awhile it blends into the ambiance and you even ignore it too.

On a different point when using it at your cubicle at work at first it may confuse or annoy your cubicle-mate but after a few minutes it blends in the background. Now you can call your girlfiend or your bookie without the cubey-snoop going to the boss and tattling on you :-)

You see it's almost impossible to pull your whispering out of the white noise in the background. You or your secret telephone caller probably won't notice it either with practice.

It works great against the real "snoops" with real bugs too as the noise is so wideband and random that they can't filter it out 100% sucessfully with low-pass, band-pass, or notch filters nor use it as an anti-reference signal to cancel it out. Well it's a lot harder if its really loud. They would have to have the exact same signal to use as a anti-reference signal. Running water in the sink is almost the same but much less effective. Either way you'll have learn how to talk over white noise blaring in background.

But what do you have to hide anyway... hmmmm?

Circuito veramente interessante specialmente ove non serva una sorgente di riferimento calibrata. Utilizzando una giunzione con ft piu' alta e' possibile estendere la banda di rumore?

would you please be able to tell me the technical issues of the generator

Can I please have the technical specification for this white noise generator. I would greatly appreciate it.

thanks

Can I please have the technical specification for this white noise generator. I would greatly appreciate it.

thanks

see "Simple Wideband Noise Generator", ED, 10/1/1996, pp 102, for a simple solution with 1 active part. Oddly, not to be found on this website's list of archived IFDs.

wj

if you were to put this generator on in a room full of screaming kids would it cancel out all of the vibrations and you would hear nothing?

if you were to put this generator on in a room full of screaming kids would it cancel out all of the vibrations and you would hear nothing?

Does not say if it blocks transmisions from say personal transmiters