SDRplay Community Forum

I have a 50Ω BNC coax connector on about 75 feet of RG6 75Ω coax. Is that RG-6 now 50Ω coax?

Nowhere in the RSP-1A spec sheet is it stated that the RSP-1A has an input impedance of 50Ω. It does say this under the heading: Connectivity: "Single 50Ω RF connector (SMA)" My non-professional knowledge of this topic suggests that circuit impedance is determined primarily by the source (the antenn...

Desensitisation, perhaps?

https://www.electronics-notes.com/artic ... ocking.php

Your CPU usage seems outrageously high. Try disabling some startup programs that you may not really need. Disable some of Win 7's eyecandy (visual effects), it's cute but there's a performance price associated with it. This video shows how to disable visual effects and some other tips. You can alway...

A dead CMOS battery is usually accompanied by a warning at startup - "CMOS checksum error" or something similar. The time will usually be reset to some date far in the past like - Jan 1, 1999. More importantly the CMOS battery also provides standby power for the BIOS memory. If the battery goes dead...

You may be in Low_IF mode. There is only one sample rate available (2 Mhz). Switch to Zero-IF Mode and there will be multiple sample rates available. You'll find the setting in the Main panel under 'IF Mode'. If the box to the right reads 'LIF' you are in Low-IF mode. Click on 'LIF', it should chang...

See page 20 of the SDRuno User Manual.

Try the newest version of SDRUno (1.31) if that doesn't fix it then check this stuff: 1) Did you select "Listen to this Device" in any of the Windows sound settings? It can cause feedback if you do. 2) If you are using Windows 10 and Uninstall a program or driver and Windows prompts you to restart y...

Seems like Larry, Moe & Curly have done it again

Isn't this a function of the audio device (the soundcard)? I'm sure there are high quality professional level sound cards that can do this.