To: | [email protected] |
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Subject: | LF: Re: [rsgb_lf_group] - Funcube on 630M |
From: | "Roelof Bakker" <[email protected]> |
Date: | Tue, 31 Oct 2017 16:58:07 +0100 |
In-reply-to: | <006201d3525c$e1c3f0e0$a54bd2a0$@com> |
References: | <CAHAQVWM6+s3q5VJygki6ceNj+g0C4Y84mxKp_KPqRVL+dH70vA@mail.gmail.com>, <006201d3525c$e1c3f0e0$a54bd2a0$@com> |
Reply-to: | [email protected] |
Sender: | [email protected] |
Hello Joe, I guess you are plagued with intermod products caused by strong MW broadcast stations. The simplest solution is to use a low pass filter with a cutt off frequency of 520 kHz. This way, I have tamed a number of low cost SDR's. At the moment I have a cheap 20 Euro RTL-SDR V3 dongle in direct sampling mode, which performs remarkably well. It needs a tuneable pre-amplifier followed by a 530 kHz low pass filter. 73, Roelof Bakker, pa0rdt |
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