Re: Here's the new Minelab Equinox January 06, 2018 04:57PM |
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Re: Here's the new Minelab Equinox January 06, 2018 11:19PM |
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Re: Here's the new Minelab Equinox January 06, 2018 11:24PM |
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Re: Here's the new Minelab Equinox January 07, 2018 12:18AM |
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Re: Here's the new Minelab Equinox January 07, 2018 12:26AM |
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Badger in NH
One thing I'm hoping is that if Minelab was smart, they would have planned all along to release the Equinox one week before the published release date.
Re: Here's the new Minelab Equinox January 07, 2018 12:49AM |
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Geotech
Well, not really. Putting the preamp in the coil helps with noise a little bit, in that the analog signal running up the cable has more amplitude... In general, the more circuitry you put in the coil the more susceptible it is to potential ground noise. Circuits contain metal, and extraneous metal in a coil creates secondary eddies that interact with ground mineralization. It's subtle and probably requires really bad ground to be noticeable, so I wouldn't consider it to be much of a big deal.
Re: Here's the new Minelab Equinox January 07, 2018 01:26AM |
Registered: 11 years ago Posts: 3,185 |
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Geotech Wrote:
Well, not really. Putting the preamp in the coil helps with noise a little bit, in that the analog signal running up the cable has more amplitude... In general, the more circuitry you put in the coil the more susceptible it is to potential ground noise. Circuits contain metal, and extraneous metal in a coil creates secondary eddies that interact with ground mineralization. It's subtle and probably requires really bad ground to be noticeable, so I wouldn't consider it to be much of a big deal.
Re: Here's the new Minelab Equinox January 07, 2018 02:04AM |
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Re: Here's the new Minelab Equinox January 07, 2018 02:14AM |
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Re: Here's the new Minelab Equinox January 07, 2018 03:34AM |
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Re: Here's the new Minelab Equinox January 07, 2018 03:51AM |
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Re: Here's the new Minelab Equinox January 07, 2018 04:24AM |
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MichiganRelicHunter Wrote:
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do you see or think there's a place for "fiber optics" at some point in running the info from the coil to the control unit/head where it can be converted to sound & visual ID to eliminate EMI altogether or much more so than current systems??
Geotech Wrote:
You could easily do this, but it would cost more, be less durable, and wouldn't help anything. 99% of EMI comes from external fields picked up by the coil, not from anything created by the detector itself. And even if you have 0 EMI, there is still ground noise.
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Keith Southern Wrote:
Probably Better/Easier/Cheaper to convert it to Bit data digital signal from coil to control box. which I'm sure Deus does and the Xterra and probably most of the FBS units..Digital data link
And yes no matter how much you clean up the signal from coil to the box the coil is still picking up the EMI..
Keith
Re: Here's the new Minelab Equinox January 07, 2018 05:02AM |
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Re: Here's the new Minelab Equinox January 07, 2018 05:23AM |
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