Search found 290 matches

by w9ac
Tue Sep 05, 2023 3:30 pm
Forum: G2 Operating System & Applications
Topic: Relays in transmit path ?
Replies: 2
Views: 17371

Re: Relays in transmit path ?

Are relays still used for T/R switching or does the G2 use pin diodes? If relays, any differences from the 7000 series? Specifically, is the pure signal relay still in parallel with the T/R relay so its always used even if the mode isn't SSB? Thanks Ron N4XD Ron, Good questions, and I hope someone ...
by w9ac
Fri Sep 01, 2023 2:17 pm
Forum: G2 Operating System & Applications
Topic: Balanced Tx echo/reverb
Replies: 16
Views: 1996

Re: Balanced Tx echo/reverb

...My microphone is a Neumann TLM103MT with a 1 tube mic preamp/phantom voltage. In time, perhaps reconsider the real need/want of a tube preamp and replace it with an ASIO USB audio interface device. Some benefits: 1) Minimal noise and distortion through a well-designed mic preamp stage with optim...
by w9ac
Wed Aug 30, 2023 12:36 am
Forum: Everything Else: Antennas, Relays, Switches, Power, Grounding, Cooling, etc.
Topic: Voltage On PTT Out After Power Blink
Replies: 10
Views: 21570

Re: Voltage On PTT Out After Power Blink

Hello Paul, Someone had said that the ANAN's didn't need such a circuit so I stopped using one. A round about Lesson to remember that's for sure. Ken WB4AM A common mistake is assuming that the current-carrying capacity at the PTT Out jack is the same as the open-drain current rating as shown on th...
by w9ac
Tue Aug 29, 2023 11:37 am
Forum: Everything Else: Antennas, Relays, Switches, Power, Grounding, Cooling, etc.
Topic: Voltage On PTT Out After Power Blink
Replies: 10
Views: 21570

Re: Voltage On PTT Out After Power Blink

I wouldn't normally recommend an amplifier key line buffer when using modern amplifiers, but several instances of PTT line transistor failure have occurred after various surge-related events. In my experience, switching FETs are more prone to voltage spike failure than bipolar transistors. The buffe...
by w9ac
Thu Aug 17, 2023 2:41 am
Forum: Thetis
Topic: Scope Sensitivity
Replies: 6
Views: 1166

Re: Scope Sensitivity

JohnFT61 wrote:Oscilloscope1.png
As you can see the height of the waveform isn't as big as it could be! The window is much larger. It would sure be nice if one could increase the sensitivity.
73 John

Scope sensitivity is a function of: (1) the Rx AF control; and (2) AGC Gain control.

Paul, W9AC
by w9ac
Mon Jul 10, 2023 1:44 pm
Forum: Thetis
Topic: Thetis 2.10.0 Released (G2 users take note!)
Replies: 48
Views: 9692

Re: New version of Thetis

I ran into an installation issue with Thetis v2.10.0, then reverted to G7KLJ's v2.09.31. After installation of v2.10.0, Thetis' startup window showed 1900+ seconds and each successive restart took nearly that long. Before installing v2.10.0, the old Thetis version was deleted in Windows' program add...
by w9ac
Sun Jun 25, 2023 11:29 am
Forum: Thetis
Topic: Wrong SWR on 6m only? UPDATE SWR on all bands is out to lunch
Replies: 25
Views: 2793

Re: Wrong SWR on 6m only? UPDATE SWR on all bands is out to lunch

I will post some numbers. I also re-installed an old Thetis, same results. FWIW, I see the same bizarre 6m SWR behavior with my 7000DLE. Thetis' SWR is all over the map when transmitting into an open circuit, changing the ANAN's ANT ports to open versus closed, but always reports 1:1 into a 50-ohm ...
by w9ac
Sun Jun 18, 2023 12:17 pm
Forum: Thetis
Topic: Cat Control to Kenwood TS-590SG
Replies: 12
Views: 1774

Re: Cat Control to Kenwood TS-590SG

Some more explanation. Some of the capabilities of the 590 (e.g. morse padddle input and keyer, not implemented on the HL2) are easier to access and the 590 is 100W output vs 5W on the Hermes Lite 2 (although I have a TL922 interfaced and teste with the HL2/Thetis). The CW shortcoming is easily sol...
by w9ac
Mon Jun 12, 2023 12:25 pm
Forum: Thetis
Topic: Thetis v2.9.0.8 - meters and then some more
Replies: 158
Views: 45816

Re: Thetis v2.9.0.8 - meters and then some more

Riche,

Thank you for the many miracles you've performed over the last few years. Hope to work you on the bands one day.

Paul, W9AC
by w9ac
Mon May 29, 2023 4:20 pm
Forum: Apache-specific Hardware Discussions
Topic: Abrupt change in freq & correction factor changes
Replies: 18
Views: 5425

Re: Abrupt change in freq & correction factor changes

It may be worth attaching an ultra-stable 10 MHz frequency reference, then observe any changes in frequency behavior.

Paul, W9AC
by w9ac
Sat May 27, 2023 1:56 pm
Forum: Apache-specific Hardware Discussions
Topic: Anan-G2 Rear Panel Ports/Connectors
Replies: 7
Views: 2713

Re: Anan-G2 Rear Panel Ports/Connectors

"However they do provide an optional pin for GND that is for the XLR locking tab." Although not clearly seen in Neutrik's PDF datasheet, the optional ground pin connects to a thin metal strap. The other end of the strap is formed into the mounting hole of the plastic XLR enclosure. As a p...
by w9ac
Wed May 24, 2023 2:43 pm
Forum: Apache-specific Hardware Discussions
Topic: Anan-G2 Rear Panel Ports/Connectors
Replies: 7
Views: 2713

Re: Anan-G2 Rear Panel Ports/Connectors

I'll pontificate: to make best use of that series jack (whether standard or mini XLR) requires passing a screw through the panel to avoid the so-called "Pin 1 Problem." It's almost certain that PCB-mount jacks will be used. Although difficult to see, Neutrik provides a conductive strap bet...
by w9ac
Fri May 19, 2023 3:54 am
Forum: PureSignal Operations (PowerSDR & Thetis)
Topic: ARRL Clean Signal Initiative
Replies: 4
Views: 3058

Re: ARRL Clean Signal Initiative

Obviously the software and firmware doesn't come from a "manufacturer". Supporting hardware includes Apache, Red Pitaya, Hermes Lite 2, and TRX Duo--am I missing anyone? Yes, if we consider predistortion development separate and apart from those involved with PureSignal. The ADAT ADT-200A...
by w9ac
Wed Apr 26, 2023 3:04 am
Forum: PureSignal Operations (PowerSDR & Thetis)
Topic: Pure Signal, out-of-band improvement question
Replies: 3
Views: 2656

Re: Pure Signal, out-of-band improvement question

If I understand correctly, Pure Signal should improve the out-of-band spurious performance of a linear (i.e. second, third, etc harmonics) in the same way that it improves in-band splatter (signal width on the waterfall). A question: is it reasonable to assume that Pure Signal can clean up the outp...
by w9ac
Sat Apr 15, 2023 1:26 am
Forum: Thetis
Topic: Understanding G7KLJ 2.9.0.11 release
Replies: 127
Views: 20747

Re: Understanding G7KLJ 2.9.0.11 release

nobba wrote:Is the companion board available anywhere…
Steve

Available directly from WA2T. More information:

http://www.tinyurl.com/4unaa2yj

Paul, W9AC
by w9ac
Sat Apr 15, 2023 12:43 am
Forum: Thetis
Topic: Understanding G7KLJ 2.9.0.11 release
Replies: 127
Views: 20747

Re: Understanding G7KLJ 2.9.0.11 release

Steve, Some of us HL2 users have added an HL2+ companion audio board. Awhile back, I experienced some difficulty finding a compatible version of Thetis but did eventually. The companion board eliminates the strict need for VAC and operationally, is much like Apache’s Orion boards. Does 2.9.0.11 supp...
by w9ac
Mon Apr 10, 2023 7:59 pm
Forum: Apache-specific Hardware Discussions
Topic: Saturn: A New Apache Labs SDR Transceiver (ANAN-G2)
Replies: 82
Views: 20696

Re: Saturn: A New Apache Labs SDR Transceiver (ANAN-G2)

Here's the deal on the PIN diode PA board schematic (which I'm guessing should not have been publicly posted): No units have shipped with this design, and none are going to. As Laurence has already mentioned, achieving reasonable linearity performance with that (and other) designs has not yet been ...
by w9ac
Sat Apr 08, 2023 5:03 pm
Forum: Apache-specific Hardware Discussions
Topic: Saturn: A New Apache Labs SDR Transceiver (ANAN-G2)
Replies: 82
Views: 20696

Re: Saturn: A New Apache Labs SDR Transceiver (ANAN-G2)

w-u-2-o wrote:Have they shipped any 7000's or Andromedas with this board?

Good question, but I don't know.

Paul, W9AC
by w9ac
Sat Apr 08, 2023 3:34 pm
Forum: Apache-specific Hardware Discussions
Topic: Saturn: A New Apache Labs SDR Transceiver (ANAN-G2)
Replies: 82
Views: 20696

Re: Saturn: A New Apache Labs SDR Transceiver (ANAN-G2)

w-u-2-o wrote:How do you know this, Paul? Have you seen schematics?

Yes, I have the full schematic of the V.14 PA/LPF board which shows a moderately complex PIN diode T/R structure. It's significantly different than prior boards.

Paul, W9AC
by w9ac
Sat Apr 08, 2023 1:13 pm
Forum: Apache-specific Hardware Discussions
Topic: Saturn: A New Apache Labs SDR Transceiver (ANAN-G2)
Replies: 82
Views: 20696

Re: Saturn: A New Apache Labs SDR Transceiver (ANAN-G2)

w-u-2-o wrote:Based on the history of RF board designs it's more likely that the G2 will use the same RF boards that are in the 7000.

The new PA board revision shows PIN diode QSK T/R switching.

Paul, W9AC
by w9ac
Mon Mar 27, 2023 1:48 pm
Forum: Apache-specific Hardware Discussions
Topic: Saturn: A New Apache Labs SDR Transceiver (ANAN-G2)
Replies: 82
Views: 20696

Re: Saturn: A New Apache Labs SDR Transceiver

Paul--thanks for posting this. It's a subject worthy of a new sub-forum, so I have made one! :) No doubt there are going to be a billion questions. I've already sent a long list of them to Abhi, Laurence and others. I will report what I get back. Thanks, Scott. I edited the first post as I believe ...
by w9ac
Mon Mar 27, 2023 1:13 pm
Forum: Apache-specific Hardware Discussions
Topic: Saturn: A New Apache Labs SDR Transceiver (ANAN-G2)
Replies: 82
Views: 20696

Saturn: A New Apache Labs SDR Transceiver (ANAN-G2)

A new SDR transceiver (or Orion board alternative) is in the works from Apache Labs. Among other new hardware features, take note of the PCIe interface and "thin client" remote possibilities. Price TBD. https://apache-labs.com/al-news/1033/Introducing-the-Next-Generation-Saturn-SDR-Platfor...
by w9ac
Sun Mar 19, 2023 1:39 pm
Forum: Thetis
Topic: Thetis v2.9.0.8 - meters and then some more
Replies: 158
Views: 45816

Re: Thetis v2.9.0.8 - meters and then some more

Current Thetis desktop in full screen mode...
by w9ac
Sat Mar 18, 2023 1:38 pm
Forum: Apache-specific Hardware Discussions
Topic: Can ANAN radios be used as spectrum analysers to test filters?
Replies: 5
Views: 1143

Re: Can ANAN radios be used as spectrum analysers to test filters?

Bhanu, Just to be clear, the sweep utility under the "Tests" tab sweeps only audio frequencies at the VFO's carrier frequency. It does not allow for sweeping the RF carrier as is normally the objective when sweeping RF filters. The ANAN's RF carrier frequency remains fixed. So, for HF filt...
by w9ac
Fri Mar 17, 2023 4:36 pm
Forum: Thetis
Topic: Thetis v2.9.0.8 - meters and then some more
Replies: 158
Views: 45816

Re: Thetis v2.9.0.8 - meters and then some more

With the little time I've spent with the update this morning, the only suggestion I have for consideration is a dockable container option, vertical edge meter option, and possibly an option to automatically hide metering functions that don't apply to a specific operating mode. Just a quick comment a...
by w9ac
Fri Mar 17, 2023 12:54 pm
Forum: Thetis
Topic: Thetis v2.9.0.8 - meters and then some more
Replies: 158
Views: 45816

Re: Thetis v2.9.0.8 - meters and then some more

Happy St. Pat's day to all...

v2.9.0.8 x64 working well here.

To Richie, Ernst and others involved in the latest Thetis update, many thanks for your dedication and time spent in giving us this great software.

Paul, \W9AC
by w9ac
Mon Mar 13, 2023 5:05 pm
Forum: Microphones, Speakers & Audio Hardware
Topic: Click from Microphone
Replies: 26
Views: 8101

Re: Click from Microphone

In the FWIW department: IMHO the ANAN mic input should never have included capability for a PTT connection, it has proven to be nothing but trouble for a lot of people. Nevertheless that's what we are stuck with and things have to be wired up correctly in order for it to work right. One issue is th...
by w9ac
Fri Mar 10, 2023 5:34 pm
Forum: Thetis
Topic: Thetis 2.9.0.7 x86 (4/23/22) MW0LGE pre-release (meters testing)
Replies: 95
Views: 20674

Re: Thetis 2.9.0.7 x86 (4/23/22) MW0LGE pre-release (meters testing)

If you've done any programming and have a rudimentary grasp of these sort of tools but not these exact tools (I'd put myself in this category) I'd say it was around a 4 or 5 on the difficulty scale, mostly because you know enough to know what you want and get impatient learning the tools to get the...
by w9ac
Fri Mar 10, 2023 2:55 pm
Forum: Thetis
Topic: Thetis 2.9.0.7 x86 (4/23/22) MW0LGE pre-release (meters testing)
Replies: 95
Views: 20674

Re: Thetis 2.9.0.7 x86 (4/23/22) MW0LGE pre-release (meters testing)

I built the latest that was posted yesterday. At least I think I did, I'm not fully up to speed on pulling down Git updates, etc. Hi Scott, How difficult was the bar graph meter update? While we await a full installer version, do you have any tips to share or care to offer step-by-step instructions...
by w9ac
Sat Feb 11, 2023 2:29 pm
Forum: Apache-specific Hardware Discussions
Topic: Not sure how to use Open Collector Jack and Thetis settings...
Replies: 14
Views: 1976

Re: Not sure how to use Open Collector Jack and Thetis settings...

Scott's right. It's not a permanent fixture and only used long enough to test OC ports. A battery fastened to the jig is fine and would last the shelf life of the battery.

Paul, W9AC

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