Author Topic: UBC125XLT / BC125AT  (Read 6266 times)

Discriminator

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UBC125XLT / BC125AT
« on: 11 May 2014, 16:56:18 »
Modified recently, added today: a discriminator output modification for the Uniden Bearcat UBC125XLT / BC125AT - http://www.discriminator.nl/ubc125xlt/index-en.html

md5

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Re: UBC125XLT / BC125AT
« Reply #1 on: 28 Nov 2017, 16:45:45 »
Hi,

I've done the modification. After connecting MIC input to the modified jack I can hear noise on the headphone connector, even if squelch is not opened.

Have you noticed such issue? How to remediate that? Insert an op-amp between the DISC pad and jack output to separate discriminator?

And also, increasing volume of the scanner, the amplitude of DISC signal is also increasing. Any ideas?