Search found 118 matches

by W4WMT
Sun Jan 17, 2021 5:03 pm
Forum: Microphones, Speakers & Audio Hardware
Topic: Trouble with your microphone? Read this...
Replies: 7
Views: 10121

Re: Trouble with your microphone? Read this...

w-u-2-o wrote:Note that the mic bias voltage is 3/4 x 3.3V, or 2.475V.

Scott


I think that's just a bit of leakage current. With "Bias" turned off, a 1 meg resistor pulls it down to just a few mV.

73, Bryan
by W4WMT
Fri Jan 15, 2021 9:41 pm
Forum: Everything Else: Antennas, Relays, Switches, Power, Grounding, Cooling, etc.
Topic: Questions about the 7000DLE MKII
Replies: 14
Views: 606

Re: Questions about the 7000DLE MKII

rbduck wrote: What I thought was amazing was the it left India on Monday morning and was on my bench in Tennessee Wednesday evening.


Now that's weird. Mine came from Australia, VK3 to be exact.

73
by W4WMT
Fri Dec 25, 2020 10:05 am
Forum: Microphones, Speakers & Audio Hardware
Topic: Anan-8000 no audio
Replies: 37
Views: 1349

Re: Anan-8000 no audio

Dear Scott, Do you have access to a USA phone number for Apache? I have sent them 3 emails concerning repair NO response! I registered at their site ,they were going to send password,hasn't happened.Do you know of any reputable repair service ? I love the radio and don't want to return to Flex,but ...
by W4WMT
Wed Dec 23, 2020 10:38 pm
Forum: Thetis
Topic: SSB with carrier?
Replies: 3
Views: 474

Re: SSB with carrier?

Run AM with your desired sideband selected in Setup\DSP\AM.
Set your AM carrier level in Setup\Transmit.

73
by W4WMT
Wed Dec 23, 2020 10:30 pm
Forum: PC's & Homebrew Hardware
Topic: PC Upgrade Feedback
Replies: 17
Views: 1342

Re: PC Upgrade Feedback

w-u-2-o wrote:That graphics card is overkill.

I still recommend an eight core processor for any new build.


Can't stress this enough.
Thetis is a core-hungry animal.
Far more important than any video card choice.

73
by W4WMT
Thu Dec 03, 2020 4:34 pm
Forum: Thetis
Topic: 32 vs 64 bits
Replies: 9
Views: 675

Re: 32 vs 64 bits

w-u-2-o wrote:Vsync works with video driver and automatically sets the frame rate to the same as your monitor. IMHO there is never any reason to turn it off.


Thanks! You should be writing these tooltips instead :-)
by W4WMT
Thu Dec 03, 2020 9:43 am
Forum: Thetis
Topic: 32 vs 64 bits
Replies: 9
Views: 675

Re: 32 vs 64 bits

What does VSync do actually?
The tooltips on that control just says "1 frame Vertical Sync ...."
Can someone please explain what that means?

73
by W4WMT
Mon Nov 16, 2020 1:02 am
Forum: Thetis
Topic: Changing code for features you want
Replies: 9
Views: 627

Re: Changing code for features you want

So far I've been unsuccessful in getting a build to complete. Always fails. Pretty sure I am missing a module in Visual Studio. The error is VCTools. I thought this was for C++ but I have that module installed. Ron N4XD Hi Ron, Can you get Thetis to build using a perfectly "clean" clone f...
by W4WMT
Sun Oct 25, 2020 9:12 pm
Forum: Thetis
Topic: Thetis 2.8.11 Released!
Replies: 230
Views: 30910

Re: Thetis 2.8.11 Released!

Voicemeeter ASIO drivers used with a Presonus Studio 192 Mobile, 128 bit Word-locked to a 48 kHz Bodnar GPSDO clocking source. Same source used for the 10 MHz external reference. Paul, W9AC Hi Paul, Just curious, why do you use Voicemeeter between Thetis and your Studio 192 Mobile? 73, Bryan
by W4WMT
Wed Oct 21, 2020 11:13 am
Forum: PowerSDR mRX
Topic: What does "Use RX2" do?
Replies: 1
Views: 453

Re: What does "Use RX2" do?

Dear friends, In Setup/Audio/VAC1, Direct I/Q box, what does "Use RX2" do? Michael In OpenPowerSDR it used to select the RX2 IQ stream, instead of the RX1 IQ stream, for output through VAC1. In Thetis I don't believe the ChannelMaster was ever hooked up to this Setup control. It appears t...
by W4WMT
Wed Oct 21, 2020 9:08 am
Forum: Thetis
Topic: Thetis 2.8.11 Released!
Replies: 230
Views: 30910

Re: Thetis 2.8.11 Released!

Thetis V. 2.8.11 Issues: -Still VAC audio lost when switching sample rate. OFF/ON required to recover audio (region is Spain and extended option is checked). This is not limited only to VAC audio. RX audio from the hardware CODEC (in the radio) is also lost upon changing F/W Set RX1 Sample Rate. To...
by W4WMT
Mon Oct 19, 2020 5:41 pm
Forum: Digital ("Virtual") Audio
Topic: Coherent IQ Streams for Adaptive EME
Replies: 43
Views: 18281

Re: Coherent IQ Streams for Adaptive EME

W9IP wrote:.....I had to add ASIO4ALL and of course go through VoiceMeeter Banana. ASIO4ALL is basically transparent and VoiceMeeter Banana just mystifies me. .......
Michael, W9IP


I understand why VoiceMeeter is needed, i.e. to patch PowerSDR & MAP65 together. But why ASIO4ALL?

73
by W4WMT
Sun Oct 11, 2020 11:41 pm
Forum: Thetis
Topic: Thetis 2.8.11 Released!
Replies: 230
Views: 30910

Re: Thetis 2.8.8 Released!

I posted this in a different thread but I suspect I should have posted it here... VAC1 is stable on v2.8.8 but I'm getting crazy runaway Underflows on VAC2, nothing I change on buffers, sample rates or Force even slows it down. This wasn't happening before, including in yesterday's v2.8.7, so I sus...
by W4WMT
Sun Oct 11, 2020 11:38 pm
Forum: Thetis
Topic: VAC resampler instability at startup
Replies: 22
Views: 2144

Re: VAC resampler instability at startup

VAC1 is stable on v2.8.8 but I'm getting crazy runaway Underflows on VAC2, nothing I change on buffers, sample rates or Force even slows it down. This wasn't happening before, including in yesterday's v2.8.7, so something has changed in v2.8.8. Hi Mark, Was your RX2 running at the time? If not, I b...
by W4WMT
Sun Jul 26, 2020 4:22 pm
Forum: Thetis
Topic: How to compile Thetis 2.6.9 in VS19
Replies: 2
Views: 599

Re: How to compile Thetis 2.6.9 in VS19

Hi Enzo, The solution file in "Thetis\Project Files\Source" should load the PortAudio project along with all the other projects automatically within VS2019. The dependencies are wrong I think. Just remember that ChannelMaster depends on WDSP and Thetis depends on ChannelMaster. 73, Bryan W...
by W4WMT
Sun Jul 12, 2020 9:31 pm
Forum: Thetis
Topic: MON sounds different LSB to USB...??
Replies: 2
Views: 843

Re: MON sounds different LSB to USB...??

Yeah, you're not wrong, most people don't even notice it though. The MON system is a bit crude, in that what you are listening to is the complex baseband (I/Q) signal being sent out to the DUC in the radio hardware. So it's not real audio per se. Somewhere in the bowels of this forum is an erudite e...
by W4WMT
Sun Jul 05, 2020 11:28 pm
Forum: Everything Else: Antennas, Relays, Switches, Power, Grounding, Cooling, etc.
Topic: 10 MHZ reference input level for the Anan 7000dle
Replies: 5
Views: 1711

Re: 10 MHZ reference input level for the Anan 7000dle

Don't know what the design level is, but a TTL square wave works fine here.

73, Bryan W4WMT
by W4WMT
Wed Jun 24, 2020 11:53 pm
Forum: Thetis
Topic: VAC doesn't show me a WASAPI option
Replies: 2
Views: 677

Re: VAC doesn't show me a WASAPI option

Hi Mark, WASAPI is trapped out in the code and not shown in the VAC1 ComboBox on purpose because the latency is so bad (~30ms) in shared mode. PortAudio doesn't work correctly with WASAPI in exclusive mode (which is very fast, but badly distorted). The PortAudio guys are currently trying to address ...
by W4WMT
Sat Jun 13, 2020 5:11 pm
Forum: Thetis
Topic: 2.7.0
Replies: 191
Views: 50674

Re: 2.7.0

Anyone notice the extra -20db line in the attenuator settings? I am running 2.7.0 A3, P2 v1.9 on 200D .24. I reset the data base just to be sure but it is the same. Don W9BHI Hi Don, Before Scott kicks this thread off the topic, let me just comment: The Orion SDR board and the 200D PA board both ha...
by W4WMT
Tue Jun 02, 2020 10:26 am
Forum: Apache Labs News
Topic: ANAN-6000DLE
Replies: 11
Views: 3505

Re: ANAN-6000DLE

DAC out?
Interesting.
by W4WMT
Mon May 18, 2020 10:47 am
Forum: PowerSDR mRX
Topic: Resampler Adjustment
Replies: 45
Views: 27007

Re: Resampler Adjustment

(By the way, I monitored for under- and underflows with the Force checkboxes checked. The Var Ratio numbers stayed very close to 1; i.e., >0.99 and < 1.01. Under and overflow numbers stayed at 0. No audible glitches on RX or TX.) 73, John Hi John, The "silver lining" here is that your SDR...
by W4WMT
Tue May 12, 2020 9:59 am
Forum: Thetis
Topic: ADC settings moving from PowerSDR
Replies: 6
Views: 1698

Re: ADC settings moving from PowerSDR

Come to think of it, I cannot remember what the DDC assignments are in P2/Thetis and a quick forum search did not turn up much. Is that documented anywhere?

73
by W4WMT
Fri Apr 03, 2020 10:13 pm
Forum: Thetis
Topic: 2.7.0
Replies: 191
Views: 50674

Re: 2.7.0

w-u-2-o wrote:If you get a big enough interruption in the network it will cause Thetis to go into a "stopped" state. Pushing the "power" button should make it go again.


The Network Watchdog won't kick it back into gear, Scott?
by W4WMT
Thu Mar 12, 2020 10:27 am
Forum: Thetis
Topic: 2.7.0
Replies: 191
Views: 50674

Re: 2.7.0

Hello Richie , Is it possible to repair the Mic slider (Main Gui) and Mic/Gain/Sources (Setup>General>Transmit ) so they operate in VAC1 . I miss that feature which was operational in MRX. Hi Gary, The console's MIC gain slider has never been operational in VAC1/VAC2 for either OpenHPSDR PowerSDR o...
by W4WMT
Wed Mar 04, 2020 10:42 am
Forum: Thetis
Topic: Audio nonlinearity
Replies: 6
Views: 3231

Re: Audio nonlinearity

I know zip about WSJT, but if it's sending full-scale samples to VAC1 in stereo that could be a problem. The stereo samples get summed arithmetically before being sent along to the transmitter. You could try disabling "Stereo" in the VAC1 setup form, in which case only the left channel is ...
by W4WMT
Wed Mar 04, 2020 10:11 am
Forum: Thetis
Topic: 2.6.9
Replies: 600
Views: 155712

Re: 2.6.9

w-u-2-o wrote:
Keyboard tuning shortcuts do work here, so I'm not certain why they do not work for bigbird1.


They work just fine here also. Maybe bigbird1 will want to check and make sure that "Keyboard Enable Shortcuts" is enabled in the General/Options tab in setup.

73, Bryan W4WMT
by W4WMT
Thu Feb 13, 2020 10:24 am
Forum: Thetis
Topic: RX'er 2 glitch on 2.6.8 and .9
Replies: 5
Views: 3046

Re: RX'er 2 glitch on 2.6.8 and .9

Unable to reproduce that here, works FB with RX2 set to 882 kHz.
Are you sure it's not a database corruption issue?

73
by W4WMT
Mon Feb 10, 2020 12:02 pm
Forum: Thetis
Topic: Thetis 2.7.0
Replies: 32
Views: 13132

Re: Thetis 2.7.0

Are there any release notes for 2.7.0? Can anyone summarize the difference between this version and 2.6.9? Jeff NJ2US It's kind of difficult to know, because 2.7.0 has forked off into a completely new git repository, and so we can't do a simple diff to see all the changes. I just did a file compare...
by W4WMT
Sun Feb 09, 2020 3:15 am
Forum: Protocol 2 Firmware (all radios)
Topic: Problem with new 7000 Black Edition
Replies: 12
Views: 4858

Re: Problem with new 7000 Black Edition

Mine is working FB here.
What's the problem?

73
by W4WMT
Wed Jan 22, 2020 11:32 am
Forum: Digital ("Virtual") Audio
Topic: VAC/audio problems on 200D
Replies: 14
Views: 4536

Re: VAC/audio problems on 200D

Hi All, When you run VAC1(VAC2) with the RingBuffer Manual checkboxes unchecked (in the Buffer Latency group), here is what happens: PortAudio goes out to your sound driver and asks it to report the minimum latency it is capable of doing. Thetis gets that info from PortAudio and then tells the Chann...

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