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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

Ordered the new book on Monday this week and received it yesterday.? Amazon does still sohow the previous version for sale as well. On first review the new updates are helpful. Clarence, NT7V

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

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,

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

I have 3 ways of measuring power; Direct LPF output on Tek Scope, RMS voltage out of Pearson current monitor, an HP363 Taidacent power meter.? I get 9.7 +/-0.9 watts out at 7.2MHz.? My DC power in

Thanks, John! Jack, W8TEE

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

Are you certain that your PTT button is working? You should hear relays click when you press it. If the PTT button is working, then a lack of signals out of the audio hat implies that the hat is not

Thanks Jack. The automated message from Amazon told me to keep the old book and they would send a new one :)...I wonder if they will send a new Old one. When the New new one arrives, I will write a

You gain some slow memory to store stuff in… Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ Owner - Operator Big Signal Ranch – K9ZC Staunton, Illinois Owner –

But do you gain anything by populating 1 or 2 of the 8Mb SPI memory chips on the Teensy?? Or do you loose? some functionality by doing that? Just curious. Thanks, Duane - K5CA

Yeah, I did too, but twice received the wrong book. I have redone the submission from scratch and I should be hearing within 72 hours. It will have a new ISBN number, which means we lose all of the

Put scope on the IQ out pins and I don't detect and signals when in TX IQ calibrate Tim

I just received the wrong one, the old one that I already have :( Strange, as I waited until the purchase page had the new cover with the black T-41. John K1JO

Yes they are. Step through the circuit starting at the audio hat. Do you see the 750 Hz audio tone on the I and Q outputs of the audio hat? Then, walk through the transmit chain on the RF board and

Is the 750hz and 2 tone frequencies generated in Audio Hat? Still mucking around trying figure out why no carrier in SSB mode. Tim

I will check back later this week, and if it looks correct I will order, and of course you will get a review. -- 73 Greg KF5N

Oddly, two people have written that they received the right book. Even harder to figure out now. I just went through the entire process again and updated everything, including the ad narrative (which

Glad to hear it...thanks! Jack, W8TEE