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Search: Posts Made By: Siber
Forum: Receiver Modifications 27-10-2013, 00:24
Replies: 35
Views: 31,782
Posted By Siber
but so far I have not been able to get any...

but so far I have not been able to get any decoded audio

Hi, Digger.
The VAC bitrate should be not below 48 bps, check it out.
Forum: Receiver Modifications 02-10-2012, 14:52
Replies: 1
Views: 3,058
Posted By Siber
http://www.shortwaveradio.ch/radio-e/panasonic-rf2...

http://www.shortwaveradio.ch/radio-e/panasonic-rf2800-e.htm
I see that: Selectivity (-6/-60 dB) 3,8/13,1 kHz, 8,1/27,3 kHz
Tray to recieve DRM in SSB mode without 455 kHz/ 12 kHz conversion.
Connect...
Forum: General Topics 17-09-2012, 12:51
Replies: 3
Views: 3,002
Posted By Siber
Thanks to all who prepared this Guide!

Thanks to all who prepared this Guide!
Forum: Links 14-09-2012, 13:59
Replies: 10
Views: 7,554
Posted By Siber
Dear Sleepwalker do you have any information...

Dear Sleepwalker
do you have any information about the beginning of the regular transmission on these frequencies?
Forum: Receiver Modifications 13-09-2012, 22:03
Replies: 12
Views: 16,645
Posted By Siber
Dear Sarma I started experimenting with...

Dear Sarma
I started experimenting with 6N135.
Then I studied the linearity and dynamic range of different optos.
You should know that the operating points of optron's LED(by R3) and...
Forum: Receiver Modifications 12-09-2012, 23:58
Replies: 12
Views: 16,645
Posted By Siber
Converter 450/12 kHz inside of Degen 1103

Revised and Locations within the receiver
Forum: Receiver Modifications 12-09-2012, 23:47
Replies: 12
Views: 16,645
Posted By Siber
Converter 450/12 kHz inside of Degen 1103

View of the converter board, pic 3,4 and pic 5
Forum: Receiver Modifications 12-09-2012, 22:47
Replies: 12
Views: 16,645
Posted By Siber
Converter 450/12 kHz inside of Degen 1103

Continuing the theme Degen 1103
Pic 1. Distinction is the additional filter IF 450kHz
If You have a noise from the power supply or the computer, You can use the optical isolator board 2,pic2
Forum: Links 09-09-2012, 22:43
Replies: 10
Views: 7,554
Posted By Siber
If true I doubt that one country alone can get...

If true I doubt that one country alone can get things turned around ...
Not jast...
Forum: Links 27-08-2012, 15:05
Replies: 10
Views: 7,554
Posted By Siber
I am afraid that when there will be very cheap...

I am afraid that when there will be very cheap radios, they will no longer need. Broadcasting at hight frequencies by the time cease to exist. :)
Forum: Receiver Modifications 05-05-2012, 22:53
Replies: 8
Views: 5,693
Posted By Siber
Hi all! If anybody needs it. I have made the...

Hi all!
If anybody needs it.
I have made the latest version of Degen 1103 converter 450/12 kHz.
It has the own IF 450 filter with 20 kHz passband and uses the Degen's power source .
The converter...
Forum: Soundcard Issues 28-12-2011, 04:42
Replies: 4
Views: 4,426
Posted By Siber
Usually cards in lap/desktops have only one...

Usually cards in lap/desktops have only one input(not stereo).
If You need I/Q input, better use external soundcard.
I use E-MU 0204. It has 24-bit/192kHz recording...
Forum: Receiver Modifications 26-06-2011, 04:19
Replies: 12
Views: 16,645
Posted By Siber
there are examples which have 1 and 2 pins...

there are examples which have 1 and 2 pins functions correspond to the scheme and another which functions are correspond to the bottom drawing.
I had in mind that in different chip batches the pin...
Forum: Reception Results - Recent Posts 29-03-2011, 19:09
Replies: 170
Views: 25,975
Posted By Siber
Good propagation in Siberia

Good propagation in Siberia
Forum: Reception Results - Recent Posts 29-03-2011, 15:24
Replies: 0
Views: 1,504
Posted By Siber
Sorry, this post is my mistake...

Sorry, this post is my mistake...
Forum: Receiver Modifications 14-02-2011, 23:14
Replies: 3
Views: 7,327
Posted By Siber
Owner’s Manual on...

Owner’s Manual
on http://www.palstar.com/r30a_full_page.pdf

BW (BandWidth) Button - Switches between WIDE bandwidth
(5.8kHz) for AM reception and NARROW bandwidth (2.5 kHz) for
SSB reception.
...
Forum: Reception Results - Recent Posts 12-11-2010, 13:43
Replies: 665
Views: 120,380
Posted By Siber
9760kHz NHK from Woofferton

Too far,but I see the label....
Irkutsk city,Russia
Degen 1103 +IFF450kHz+converter450/12 kHz, Long Wire.

post moved to this thread, Simone
Forum: Reception Results - Recent Posts 01-11-2010, 15:55
Replies: 336
Views: 155,548
Posted By Siber
Arrow 5845kHz BBC&DW from Nankhon Sawan

Russia,Irkutsk city. Audio is dropped.
Degen 1103+ IFF 450kHz+converter 450/12 kHz, Long Wire.
Forum: General Topics 11-09-2010, 23:23
Replies: 13
Views: 4,445
Posted By Siber
http://drm.org/index.php?p=news_item&uid=214 ...

http://drm.org/index.php?p=news_item&uid=214

the Consortium is very proud to announce the inaugural DRM transmission of the Last Night of the Proms, during IBC, on Saturday September 11th between...
Forum: General Topics 16-08-2010, 02:11
Replies: 66
Sticky: DRMcalc
Views: 92,582
Posted By Siber
I also had some problem with the Tx update. It's...

I also had some problem with the Tx update. It's OK now.Thank You Simone.
Forum: Receiver Modifications 12-03-2010, 07:06
Replies: 27
Views: 22,276
Posted By Siber
Dear Sarma, Thanks for Your advice. I used there...

Dear Sarma,
Thanks for Your advice.
I used there germanium diodes. But schottkie diodes have better characteristics. It will be better to use them instead of R4 and ring diodes.
When I made the...
Forum: Receiver Modifications 12-03-2010, 01:27
Replies: 27
Views: 22,276
Posted By Siber
I made converters on various microcircuits :...

I made converters on various microcircuits : S042P, SA612, TA7358 etc. Appreciable difference in their work I have not found. The TA7358 advantage is that it does not demand from 5 Volt and above....
Forum: Receiver Modifications 11-03-2010, 10:33
Replies: 27
Views: 22,276
Posted By Siber
Dear Sarma. Thanks big for your remark. I have...

Dear Sarma.
Thanks big for your remark. I have already corrected the error.
At installation of USB jack it is necessary to be attentive, as at a sight from backside of it these pins will be...
Forum: Antennas 10-03-2010, 05:35
Replies: 6
Views: 15,151
Posted By Siber
I have made a good LW loop antenna using of an...

I have made a good LW loop antenna using of an alarm cable with four wires D= 0,4 mm inside. It is necessary to make six pieces of the cable , each = 4.2 m. In each piece the section of four turns is...
Forum: Receiver Modifications 09-03-2010, 03:42
Replies: 27
Views: 22,276
Posted By Siber
My variant of the converter on S042P I did not...

My variant of the converter on S042P

I did not use an additional filter IF as I consider that for suppression of the mirror channel from carrying over 455 to 12 kHz it is enough of the internal...
Showing results 1 to 25 of 86

 
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