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Re: Updated Wiki Page: Sources of Hardware and Software Variants
#wiki-notice
Maybe It's already in all of the directories...
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Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ Owner - Operator Big Signal Ranch ¨C K9ZC Staunton, Illinois Owner ¨C Operator Villa Grand Piton ¨C J68HZ Soufriere, St. Lucia W.I. Rent it: www.VillaGrandPiton.com Moderator: North American QRO Group at Groups.IO. Moderator: Amateur Radio Builders Group at Groups.IO. email: bill@... -----Original Message-----
From: [email protected] <[email protected]> On Behalf Of jerry-KF6VB Sent: Tuesday, April 15, 2025 2:52 PM To: [email protected] Cc: K9HZ <bill@...> Subject: Re: [SoftwareControlledHamRadio] Updated Wiki Page: Sources of Hardware and Software Variants #wiki-notice Maybe you could copy that note to the T41 directory? - Jerry, KF6VB On 2025-04-15 12:34, K9HZ wrote: As it turns out... there is a note to this effect in the root |
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Re: Updated Wiki Page: Sources of Hardware and Software Variants
#wiki-notice
As it turns out... there is a note to this effect in the root directory..
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Show quoted text
called "Where are my files"... Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ Owner - Operator Big Signal Ranch ¨C K9ZC Staunton, Illinois Owner ¨C Operator Villa Grand Piton ¨C J68HZ Soufriere, St. Lucia W.I. Rent it: www.VillaGrandPiton.com Moderator: North American QRO Group at Groups.IO. Moderator: Amateur Radio Builders Group at Groups.IO. email:? bill@... -----Original Message-----
From: [email protected] <[email protected]> On Behalf Of jerry-KF6VB Sent: Tuesday, April 15, 2025 2:32 PM To: [email protected] Cc: Group Notification <[email protected]> Subject: Re: [SoftwareControlledHamRadio] Updated Wiki Page: Sources of Hardware and Software Variants #wiki-notice This is excellent. Could use a little more detail about Bill's archive; some of the stuff that has become standard with V12 is actually his own design, and is in a different area on his github. - Jerry, KF6VB On 2025-04-15 04:17, Group Notification wrote: The wiki page Sources of Hardware and Software Variants [1] has been |
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Re: The T41 from 4SQRP and V11 boards.
¿ªÔÆÌåÓýWell Harry¡ here is a list of the differences between the V10/V11 series RF boards and the V12 RF board.? Just for reference: ? ? 1. Functions of the QSE and QSD combined into one board for synergy. 2. Si5351 LO is on the RF board to keep RF lines short. 3. Quadrature LOs are generated in the si5351 directly allowing much greater frequency span of base-level transceiver, now covers 600KHz-150MHz+. 4. Improved anti-aliasing filters using reformed filters and ultra-low noise Op Amps (AD8599 and OPA2209) 5. TX to RX Feedback line to facilitate auto-calibration. 6. New MMIC RF front-end gives flat gain over entire receive range and better than 0.5uV sensitivity. 7. Ultra-wide band impedance matching RX Input transformer facilitates isolation and static drain. ? 8. New high speed CW key-shaping circuitry for perfect keying. 9. Optional 32 dB in half steps RF gain control on front end (PE4302). 10. Optional TCXO for less than 0.1ppm frequency drift. 11. Optional precision-adjustable RF power output from exciter in 0.5 dB increments (PE4302, 32 power steps from for 1mW to 1mW) 12. Compatible with V011 hardware (but requires V012 Main board). 13. 4-layer board for reduced RF cross-talk and IMD. 14. Built only what you want/ need concept. 15. Same size as V10/V11/V12 Main board. 16. Single 12V connection. Onboard voltage regulators just for RF board. Distributed power model. 17. Works with either V10/V011 LPF and PA boards, or with enhanced V12 LPF and K9HZ boards. 18.? Optionally add a second RF board for second RX (great for DXers). ? ? I may have a few V11 boards left¡ I¡¯ll have to look.? If not, the Gerbers are out on my GITHUB for those who must have them. ? ? Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ ? Owner - Operator Big Signal Ranch ¨C K9ZC Staunton, Illinois ? Owner ¨C Operator Villa Grand Piton ¨C J68HZ Soufriere, St. Lucia W.I. Rent it: ? Moderator: North American QRO Group at Groups.IO. Moderator: Amateur Radio Builders Group at Groups.IO. ? email:? bill@... ? ? From: [email protected] <[email protected]> On Behalf Of Harry Brash via groups.io
Sent: Friday, April 11, 2025 2:48 AM To: [email protected] Subject: Re: [SoftwareControlledHamRadio] The T41 from 4SQRP and V11 boards. ? Jack ? I was interested to read Neville's comments re /g/SoftwareControlledHamRadio/message/33358 ? I haven't used T41/V12 boards at all but, looking at the circuits, the V12 RX circuits seem almost identical to the V10/11 in every way that matters .? My experience of the V10 RX performance is very positive, similar to Neville's.? The main? changes I have made and experiments I have tried relate to the TX side of my T41/V10 rather than the RX,? ?I've (successfully) tried some of Greg's hardware mods by hacking my V10 QSE board which now has lots of cut tracks and extra solder links on it ! ? I also use Greg's excellent T41EEE software.and have replaced the original T41 V10 PA by the K9HZ PA. ? By the way, I think Neville did his own thing building his T41 rather than building a 4SQRP kit. ? For me, T41 EP V10/V11 has been and remains a great project. ? Thanks. ? Harry? GM3RVL ? ? |
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Re: Need Solution
Ouch!
On Monday, April 14, 2025 at 08:59:22 AM EDT, Tom Schulte via groups.io <tomschulte9@...> wrote:
To much voltage applied (20v) my mistake. Was using variable power supply. Won¡¯t be using any more. Tom AB9EK On Apr 13, 2025, at 8:42?PM, jjpurdum via groups.io <jjpurdum@...> wrote:
-- Jack, W8TEE |
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Re: [AmateurRadioBuilders] [SoftwareControlledHamRadio] T41 Hardware Directions
¿ªÔÆÌåÓýYeah that is what I¡¯m talking about¡ the one in the previous email¡ ? ? Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ ? Owner - Operator Big Signal Ranch ¨C K9ZC Staunton, Illinois ? Owner ¨C Operator Villa Grand Piton ¨C J68HZ Soufriere, St. Lucia W.I. Rent it: ? Moderator: North American QRO Group at Groups.IO. Moderator: Amateur Radio Builders Group at Groups.IO. ? email:? bill@... ? ? From: [email protected] <[email protected]> On Behalf Of J P Watters via groups.io
Sent: Sunday, April 13, 2025 10:35 PM To: [email protected] Subject: Re: [AmateurRadioBuilders] [SoftwareControlledHamRadio] T41 Hardware Directions ? Dr. Bill,? ? How about plug/jack power connectors, other than using an ?offset ratchet screwdriver to install and tighten the power points. It looked like you had an idea of the connector to use in a prior email.? ? ..jpw J P Watters KC9KKO Morris, IL USA ?
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Re: [AmateurRadioBuilders] [SoftwareControlledHamRadio] T41 Hardware Directions
¿ªÔÆÌåÓýTou gave me a great idea!?? I think I¡¯ll offer a version of the 20A distribution kit with pluggable connectors for a slight upcharge.? Thanks for the idea¡ ? ? Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ ? Owner - Operator Big Signal Ranch ¨C K9ZC Staunton, Illinois ? Owner ¨C Operator Villa Grand Piton ¨C J68HZ Soufriere, St. Lucia W.I. Rent it: ? Moderator: North American QRO Group at Groups.IO. Moderator: Amateur Radio Builders Group at Groups.IO. ? email:? bill@... ? ? From: [email protected] <[email protected]> On Behalf Of Tim via groups.io
Sent: Sunday, April 13, 2025 8:38 PM To: [email protected] Subject: Re: [AmateurRadioBuilders] [SoftwareControlledHamRadio] T41 Hardware Directions ? This power strip I attached to back panel. Tim |
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Re: T41 V12 software development path forward
The 2484 number means nothing and does not mean there's a problem. We could reduce that number a lot if we start stripping features out of the T41, but that's not a solution. I'm not sure what you mean about the RA8875 class that calls "the real RA8875 stuff". Perhaps you can expand that. There are features of the RA8875 that we use that are not always available on other displays (e.g., overlays and a Block Transfer Engine). I guess what you mean by a page class is that each page would be an overlay on the display. However, managing the cells in the overlay for updated information as it arrives puts thing more or less where they are now. We kinda do that now for the Information Window (see UpdateInfoWindow()) Maybe I don't see what you have in mind here. Jack, W8TEE
On Sunday, April 13, 2025 at 04:43:50 PM EDT, jerry-KF6VB <jerry@...> wrote:
Inside the T41 code: grep tft * > out Looking at out:? it has 2484 lines. There are a few ways this could be approached.? One would be that replacement class for the RA8875 stuff.? It could have functions that either call the real RA8875 stuff....or don't, depending on a variable. Another thing could be to create a "page" class.? Define a page for the main screen, another page for the BIT test screen, another page for the "direct frequency entry" screen, etc etc. You put the TFT stuff in those page classes, and keep doing it until there's no TFT stuff anywhere else.? You define methods such that the main program just says "draw the main screen", and the page code takes care of all the decorations. The power of a "page" class like this is that it could make it easy to sluff the display activity off to a second CPU, communicating with the "radio" CPU via I2C or SPI. ? ? ? ? ? ? ? ? - Jerry, KF6VB On 2025-04-13 12:28, Terrance Robertson, KN6ZDE via groups.io wrote: > On Sun, Apr 13, 2025 at 07:18 AM, Greg KF5N wrote: > >> Regarding modularizing the display code, you can't really take that >> very far. >? You can fully modularize the display code or even remove it from the > T41 software entirely, but it would take a lot of work.? A lot can > still be done without going to such extremes though.? I have a version > of the code that runs without the display at all and another version > that runs with an alternate Beacon Monitor display. > > It's not elegant or clean, but the easiest way to make a display-less > version is to create a new RA8875 class where the function bodies are > either empty or return the proper value to continue radio operation. > Updating the display plays a large role in regulating the radio > operation.? Without this code, things might not work as intended.? I > had to insert two delays, one in the main loop and one in the IQ > processing loop to prevent data from being sent too quickly to my PC > control app.? With different schemes, such as another processor > controlling the display, other solutions may be needed. > > > Links: > ------ > [1] /g/SoftwareControlledHamRadio/message/33510 > [2] /mt/112239998/243852 > [3] /g/SoftwareControlledHamRadio/post > [4] /g/SoftwareControlledHamRadio/editsub/243852 > [5] > /g/SoftwareControlledHamRadio/leave/10484476/243852/1943518115/xyzzy -- Jack, W8TEE |
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Re: Need Solution
How??
On Sunday, April 13, 2025 at 07:37:30 PM EDT, Tom Schulte via groups.io <tomschulte9@...> wrote:
Well I did it again, shorted out the teensy. Now wait for another.? Tom On Apr 12, 2025, at 8:04?PM, jjpurdum via groups.io <jjpurdum@...> wrote:
-- Jack, W8TEE |
K9HZ
Tom - AJ8X
jjpurdum