Re: RF Board update.
Yes¡ Its shown on the BOM that is out there currently¡ Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ Owner - Operator Big Signal Ranch ¨C K9ZC Staunton,
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K9HZ
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#32826
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Re: RF Board update.
You can do it on your board by just standing the capacitor straight up in the air from the leg between Y1 and L7¡ and the other side to a close ground pin. I did that and it seemed to work fine. Dr.
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K9HZ
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#32825
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Re: [AmateurRadioBuilders] RF Board update.
I did. those are just BOM and schematic changes, not board changes so was easy to make. Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ Owner - Operator Big Signal
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K9HZ
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#32824
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Re: CAT
Yeah that's what the K3 has too... a TUSB2036 3 to 1 hub, and the three inputs are a PCM2901 CODEC, a FT232 USB to RS232 converter, and a USB connection to the PIC processor (for uploading new
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K9HZ
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#32823
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Re: RF Board update.
My bad, I loaded the wrong schematic. If I want to add C74, is it a 0.1?F bypass cap like C85? Thanks! Jack, W8TEE
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jjpurdum
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#32822
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Re: RF Board update.
It¡¯s out there¡ Here it is: T41/T41_V012_Files/T41_V012_Schematic_PDFs/T41_RF_Board_Schematic_V12.6_020925.pdf at main ¡¤ DRWJSCHMIDT/T41
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K9HZ
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#32821
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Re: CAT
*** Do does my FTDX10. Well, at least it used to. It has a USB hub chip, a USB audio chip, and a USB serial-port chip. The serial port functionality died. I replaced the chip, but it's still dead. I
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jerry-KF6VB
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#32820
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Re: Audio Hat Hangup
These double headers ( https://protosupplies.com/product/header-male-1x14-double-insulator/ ) may help. Ken will also custom build Teensy/Audio hat stacks (
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Terrance Robertson, KN6ZDE
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#32819
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Re: RF Board update.
Mornin' Bill: I'd like to order one of the new RF boards. Is there a new schematic for the board? I didn't see it on your web site. Jack, W8TEE
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jjpurdum
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#32818
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Re: Audio Hat Hangup
Ah Haw now that makes sense. I miss the old days of paper catalogs, I was looking for machined pin headers and got no where. I know they are out there, was easier to flip thru catalog. I have some old
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Tim
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#32817
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Re: Audio Hat Hangup
To All, I also was having similar problems with audio hat and teensy pin connections. I found that the long pin headers have a pin that is flat .015 thick, were as the short pin headers had a .025
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Paul Michel
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#32816
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Re: [AmateurRadioBuilders] RF Board update.
Bill, Did you get my note about changes to the component values for the SSB Exciter chain on the RF board? If not , I will re-send it. These changes enable the flat response and lower adjacent channel
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Albert Peter
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#32815
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Re: CAT
Yep that¡¯s right¡ John did that last fall. He also is the guy to get FM enabled as a mode¡ and the second receiver working in the T41. Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ
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K9HZ
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#32814
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Re: CAT
Already been done with T41 v11, /g/SoftwareControlledHamRadio/message/29503.
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Terrance Robertson, KN6ZDE
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#32813
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Re: CAT
Actually... My K3 does exactly that... one USB cable that everything flows over.... digital/CAT and Audio. I do have the schematics for that board so I can see how it's done from a hardware
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K9HZ
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#32812
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RF Board update.
BTW. the new stack of RF Boards here. have the following updates: 1. Removed all of the MF stuff but left the jumpers to CLK0 and CLK1 so that they could be driven from something else or checked with
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K9HZ
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#32811
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Re: CAT
*** OK, I just ordered two of those. I have other uses for it. I'd still like to get the software audio working though. IMHO 44.1 is plenty fast enough for audio - it's just if you want to move I/Q
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jerry-KF6VB
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#32810
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Re: CAT
Hi Jerry- I am already working on adding a hub to the T41-2.? I found what looks to be a good candidate on Aliexpress.? It's a small board. I wanted USB C connectors.? Here it is:
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Greg KF5N
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#32809
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Re: CAT
Since those native serial ports are all at digital levels (0 & 3.3VDC, & inverted from normal RS-232), you'd essentially need any of a variety of common TTL-to-RS232 level convertor chips in order to
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Mark J Culross
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#32808
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Re: CAT
Or we could use one of the traditional serial ports built into the Teensy hardware. There are eight of them. But looking at the Main Board schematic, I don't see much in the way of unused pins. ***
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jerry-KF6VB
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#32807
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