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No SSB output


 

开云体育

You can actually do either.? But do everything you would do on the outside of the radio to reduce noise… like using real MIC cable, ferrites, etc.

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Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ

?

Owner - Operator

Big Signal Ranch – K9ZC

Staunton, Illinois

?

Owner – Operator

Villa Grand Piton – 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@...

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From: [email protected] <[email protected]> On Behalf Of Tim via groups.io
Sent: Thursday, April 17, 2025 6:53 PM
To: [email protected]
Subject: Re: [SoftwareControlledHamRadio] No SSB output

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I was thinking just bring Mic cable directly into Audio Hat.

Looks good though.

I have a lot of those connectors from RC control days!?

Tim?

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I was thinking just bring Mic cable directly into Audio Hat.
Looks good though.
I have a lot of those connectors from RC control days!?
Tim?
?


 


 

开云体育

Glad that worked Tim…

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Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ

?

Owner - Operator

Big Signal Ranch – K9ZC

Staunton, Illinois

?

Owner – Operator

Villa Grand Piton – 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: Thursday, April 17, 2025 6:28 PM
To: [email protected]
Subject: Re: [SoftwareControlledHamRadio] No SSB output

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Here are my plans:

Run a shielded cable from Mic Socket direct to Audio Hat Mic pins.

Use back accessory IDC socket and run ribbon connector from there to Key inputs, Ground, and then a ground and wire from ribbon over to PTT in socket.

Tnx for that hint Dr. Bill. That should be a bit cleaner, no need for 1/8 TRS cable for Mic.

Cleans up busy side of Main board a bit. I will twist ribbon wires also per Dr. Bill.?

Tim W4YN


 

Here are my plans:
Run a shielded cable from Mic Socket direct to Audio Hat Mic pins.
Use back accessory IDC socket and run ribbon connector from there to Key inputs, Ground, and then a ground and wire from ribbon over to PTT in socket.
Tnx for that hint Dr. Bill. That should be a bit cleaner, no need for 1/8 TRS cable for Mic.
Cleans up busy side of Main board a bit. I will twist ribbon wires also per Dr. Bill.?
Tim W4YN


 

You also need to make a cable for the mic; Main to Audio hat
dave, n3ds

On Thu, Apr 17, 2025 at 3:28?PM Tim via <w4yn=[email protected]> wrote:
No it's there I missed it!
1. Make a cable to connect the “R_OUT” (or Q) and “L_OUT” (or I) and Ground (GND) on?
the Teensy Audio Hat pins with the 90-degree pins next to the Teensy board (pins 17,?
18, 19). The best way to do this is to use IDC jumper wires with female header socket.?
Twist the wires together for best noise immunity.?
Tim


 

开云体育

Ok…? That does explain the ground issue for PTT too…? it uses the same ground.

?

?

Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ

?

Owner - Operator

Big Signal Ranch – K9ZC

Staunton, Illinois

?

Owner – Operator

Villa Grand Piton – 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: Thursday, April 17, 2025 2:28 PM
To: [email protected]
Subject: Re: [SoftwareControlledHamRadio] No SSB output

?

No it's there I missed it!

1. Make a cable to connect the “R_OUT” (or Q) and “L_OUT” (or I) and Ground (GND) on?
the Teensy Audio Hat pins with the 90-degree pins next to the Teensy board (pins 17,?
18, 19). The best way to do this is to use IDC jumper wires with female header socket.?
Twist the wires together for best noise immunity.?

Tim


 

No it's there I missed it!
1. Make a cable to connect the “R_OUT” (or Q) and “L_OUT” (or I) and Ground (GND) on?
the Teensy Audio Hat pins with the 90-degree pins next to the Teensy board (pins 17,?
18, 19). The best way to do this is to use IDC jumper wires with female header socket.?
Twist the wires together for best noise immunity.?
Tim


 

开云体育

Looks like we need more language around that in the assembly manual…

?

?

Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ

?

Owner - Operator

Big Signal Ranch – K9ZC

Staunton, Illinois

?

Owner – Operator

Villa Grand Piton – 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: Thursday, April 17, 2025 2:19 PM
To: [email protected]
Subject: Re: [SoftwareControlledHamRadio] No SSB output

?

I now have full output in TX IQ calibrate Yea

How ever nothing showing in Plot?

Almost there!

Tim


 

I now have full output in TX IQ calibrate Yea
How ever nothing showing in Plot?
Almost there!
Tim


 

开云体育

It is…

?

?

Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ

?

Owner - Operator

Big Signal Ranch – K9ZC

Staunton, Illinois

?

Owner – Operator

Villa Grand Piton – 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 Greg KF5N via groups.io
Sent: Thursday, April 17, 2025 1:25 PM
To: [email protected]
Subject: Re: [SoftwareControlledHamRadio] No SSB output

?

Hi Jack, I'm looking at the V12 schematic, and the external audio amp is driven by the PCM5102 DAC IC.? It looks like the same audio path as V10/V11.

?

--

73 Greg KF5N


 

Ahaaa
Tim

Sent using myEarthLink


On Thu Apr 17 14:35:14 EDT 2025 K9HZ wrote:

I’m not sure if this part was clear… but you should have jumper wires that go from the 90 degree pins on the MAIN board next to the processor up to the appropriate pins on the hat per the schematic (eg there is no other connection to those hat pins thru the Teensy).? I’m driving so can’t take a pic.? Someone else may be able to post.

?

If you got this right, please ignore.

?

?

Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ

?

Owner - Operator

Big Signal Ranch – K9ZC

Staunton, Illinois

?

Owner – Operator

Villa Grand Piton – 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


Sent: Thursday, April 17, 2025 1:10 PM
To:

[email protected]


Subject: Re: [SoftwareControlledHamRadio] No SSB output

?

I have been hooking up to the pins Iq out on main board, the ones we installed with rt angle pins.

I will also try this connector.

Tim

?


 

开云体育

I’m not sure if this part was clear… but you should have jumper wires that go from the 90 degree pins on the MAIN board next to the processor up to the appropriate pins on the hat per the schematic (eg there is no other connection to those hat pins thru the Teensy).? I’m driving so can’t take a pic.? Someone else may be able to post.

?

If you got this right, please ignore.

?

?

Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ

?

Owner - Operator

Big Signal Ranch – K9ZC

Staunton, Illinois

?

Owner – Operator

Villa Grand Piton – 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: Thursday, April 17, 2025 1:10 PM
To: [email protected]
Subject: Re: [SoftwareControlledHamRadio] No SSB output

?

I have been hooking up to the pins Iq out on main board, the ones we installed with rt angle pins.

I will also try this connector.

Tim

?


 

Hi Jack, I'm looking at the V12 schematic, and the external audio amp is driven by the PCM5102 DAC IC.? It looks like the same audio path as V10/V11.
?
--
73 Greg KF5N


 
Edited

There has to be a 3 wire cable from the Audio Adapter LGR going down to the Main board.
Looks like the matching connector on the V12 Main board is J22.
?
--
73 Greg KF5N


 

V12 still relies on an external audio amp.

Jack, W8TEE

On Thursday, April 17, 2025 at 01:24:10 PM EDT, Greg KF5N via groups.io <greg.electricity@...> wrote:


It's not real clear where to connect the I and Q outputs (line out left and right) on the Audio Adapter.? Referring to the back side of the Audio adapter:
?
Where it says
LINE
OUT

To the right this are three vias, with L G R underneath them.
That is left channel, ground, and right channel line out.? "Line out" is an audio term, but we are calling it I and Q channels.
It is good that the ground is in the middle, because you can easily flip the connector if you end up with I and Q channels reversed.

Another thing about the audio adapter is that it was not involved with the receiver in the original T41.? I'm not sure about V12.
T41EEE.9 uses the Audio Adapter's headphone output for receiver audio, but that is its only involvement in the receiver.
Also interesting is that there is a 2nd audio adapter device instantiated in the code and it has associated commands.? These commands do nothing.
?
--
73 Greg KF5N

--
Jack, W8TEE


 

I have been hooking up to the pins Iq out on main board, the ones we installed with rt angle pins.
I will also try this connector.
Tim
?


 

It's not real clear where to connect the I and Q outputs (line out left and right) on the Audio Adapter.? Referring to the back side of the Audio adapter:
?
Where it says
LINE
OUT

To the right this are three vias, with L G R underneath them.
That is left channel, ground, and right channel line out.? "Line out" is an audio term, but we are calling it I and Q channels.
It is good that the ground is in the middle, because you can easily flip the connector if you end up with I and Q channels reversed.

Another thing about the audio adapter is that it was not involved with the receiver in the original T41.? I'm not sure about V12.
T41EEE.9 uses the Audio Adapter's headphone output for receiver audio, but that is its only involvement in the receiver.
Also interesting is that there is a 2nd audio adapter device instantiated in the code and it has associated commands.? These commands do nothing.
?
--
73 Greg KF5N


 

开云体育

This bit right here…. Make sire it works before moving on…

?

?

?

Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ

?

Owner - Operator

Big Signal Ranch – K9ZC

Staunton, Illinois

?

Owner – Operator

Villa Grand Piton – 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: Thursday, April 17, 2025 6:49 AM
To: [email protected]
Subject: Re: [SoftwareControlledHamRadio] No SSB output

?

PTT working, it goes into TX and amps increase, relays click.

I2C checked out on all but BPF which I am using 3rd party BCD to control.

Audio hat works fine for RX.

Tim?

?


 

开云体育

Tim,

?

Oliver is correct… if the audio hat + software is working… you should see a audio-like waveform on J17… which is the generated I/Q output to the RF board.? You can trace that back to PINS 1 and 2 (I and Q) on the hat.? If you don’t see anything there to ground (and its about 0-200 mv), no sense going down stream to the RF, BPF, LPF etc. until that works.

?

?

Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ

?

Owner - Operator

Big Signal Ranch – K9ZC

Staunton, Illinois

?

Owner – Operator

Villa Grand Piton – 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: Thursday, April 17, 2025 6:49 AM
To: [email protected]
Subject: Re: [SoftwareControlledHamRadio] No SSB output

?

PTT working, it goes into TX and amps increase, relays click.

I2C checked out on all but BPF which I am using 3rd party BCD to control.

Audio hat works fine for RX.

Tim?

?