Search found 499 matches

by Tech_Support
Tue Sep 01, 2015 1:49 pm
Forum: SDRplay related
Topic: Filter Selection
Replies: 4
Views: 7552

Re: Filter Selection

Hello again Paul, I can confirm that the LO setting is used to determine which of the RF filters is selected. A 1 Hz resolution is used, so 11.999999 MHz setting will select the 0-12 MHz filter and 12 MHz will select the 12-30 MHz filter. Incidentally, when developing the new API, we also found a bu...
by Tech_Support
Fri Aug 28, 2015 1:20 pm
Forum: SDR Antennas
Topic: HF pre-selector
Replies: 19
Views: 37484

Re: HF pre-selector

Dear Captain Nemo, The pre-selection that segments the lower end of the HF spectrum into 0-12 MHz and 12-30 MHz, will certainly help prevent the front end from overloading. Adding more pre-selection filters for the more of the individual amateur bands is of questionable value though as one key featu...
by Tech_Support
Thu Aug 27, 2015 6:25 pm
Forum: SDRplay related
Topic: am or mw reception
Replies: 4
Views: 7168

Re: am or mw reception

Dear John,
Can you set a screen shot of your ExtIO window setting to: support@sdrplay.com and we will try to help you.

Sincerely

SDRplay Tech_Support
by Tech_Support
Thu Aug 27, 2015 6:23 pm
Forum: SDR Antennas
Topic: HF pre-selector
Replies: 19
Views: 37484

Re: HF pre-selector

under "new users' experience" topic Eckhard (user eckrot) wrote: "Dear SDRPlay team: For the next revision, please spend a few cent more and give it better filters. Thanks!" So, I'm back again with my question: -- can an external pre-filter improve greatly the performances of sdrplay? (I suppose ye...
by Tech_Support
Tue Aug 25, 2015 7:05 pm
Forum: SDRplay related
Topic: Filter Selection
Replies: 4
Views: 7552

Re: Filter Selection

Hello Paul, That is a very interesting question and to answer it with certainty I would have to check with the guy that defined the spec for the API. Unfortunately, he is away on vacation until next week, so please bear with me. What I think will occur is that if the LO is set to below 12 MHz, then ...
by Tech_Support
Tue Aug 25, 2015 11:16 am
Forum: General
Topic: sdrplay
Replies: 4
Views: 7399

Re: sdrplay

Dear Leon, Different people have different views as to which of these SDR packages is superior. We don't have a strong opinion ourselves, but it seems that on balance the majority seem to have a preference for HDSDR over SDR sharp. For the more experienced user, SDR Console appears to be very popula...
by Tech_Support
Mon Aug 24, 2015 11:57 am
Forum: General
Topic: Can I ask a stupid question?
Replies: 2
Views: 5516

Re: Can I ask a stupid question?

Hi m0phe, The RSP doesn't have continuously variable gain. It uses an all digital gain adjustment scheme that allows the gain to be changed in 1 dB steps. You certainly can adjust the gain manually if you don't want to use AGC. To do this, open up the ExtIO window in SDR sharp and uncheck the AGC bo...
by Tech_Support
Sun Aug 23, 2015 1:51 pm
Forum: General
Topic: SDRPlay TCXO?
Replies: 23
Views: 31508

Re: SDRPlay TCXO?

Many thanks for the update.

Sincerely

SDRplay Tech_Support
by Tech_Support
Sat Aug 22, 2015 5:35 pm
Forum: General
Topic: SDRPlay TCXO?
Replies: 23
Views: 31508

Re: SDRPlay TCXO?

I think we will have to investigate this further. It will take us a little while as our apps engineer is away on vacation until the end of this month.

Please bear with us whilst we look into this a bit deeper.

Sincerely

SDRplay Tech_Support
by Tech_Support
Sat Aug 22, 2015 1:23 pm
Forum: General
Topic: SDRPlay TCXO?
Replies: 23
Views: 31508

Re: SDRPlay TCXO?

It is not really clear what might be going on here. If you have not already done so, try ensuring that the reference signal that you are using to trim the frequency error is centred on the receiver bandwidth and that you are not selecting it with a VFO. That way, you know that the displayed frequenc...