| Products > Test Equipment |
| Reverse engineering Tektronix TDS3GV module for TDS3000 series oscilloscopes? |
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| JacquesBBB:
Thanks a lot, Sicco I use normally 3.3V TTL . This is the setting I put on my TTL to usb adapter (foca v2.2)https://wiki.iteadstudio.com/Foca I have now verified that the data I type is properly received by the TDS by looking to the debug zone If I type : *IDN? I see in the 30 last car *IDN?\015 so this is correct as I configured with CR (\015) ON the opposite, No communication Module is detected, but reading the past posts from pmercier --- Quote from: pmercier on October 21, 2019, 08:17:04 pm ---Little update. Received the connnectors today. They're a perfect match. I soldered dupond wires for the 3.3v serial/usb module directly on the provided pins and ... worked like a charm once i removed the hardware control flow from the scope config. Sended : *IDN? Got : TEKTRONIX,TDS 3032C,0,CF:91.1CT FV:v4.05 TDS3FFT:v1.00 TDS3TRG:v1.00 --- End quote --- I understand that the 100 pins connectors + TTL to USB was sufficient. |
| sicco:
Some have tried pulling low the relevant databus lines through eight 1k resistors. Not the best of all ways to do it, but that will make it detect a Communications Card also. |
| JacquesBBB:
Succeed ! I have carefully followed the instructions of pmercier https://hackaday.io/project/172242-extension-card-for-tds3000-scopes/log/179520-the-actual-informations and build the mock communication card based on a SN74HC245N (which I had in stock in PDIP form). Communication with the TDS3032 was then immediate *IDN? TEKTRONIX,TDS 3032,0,CF:91.1CT FV:v3.39 TDS3GM:v1.00 TDS3ENG:v1.00 TDS3FFT:v1.00 TDS3TRG:v1.00 PASSWORD PITBULL MCONFIG TDS3052 *IDN? TEKTRONIX,TDS 3052,0,CF:91.1CT FV:v3.39 TDS3GM:v1.00 TDS3ENG:v1.00 TDS3FFT:v1.00 TDS3TRG:v1.00 and it seems the scope was converted to TDS3052 Thanks to all who helped by direct interaction or by putting usable information online. |
| JacquesBBB:
A cleaner realisation of the mock TDS3GM, the strange list of communication modules with both "None" and "TDS3GM" Isnt that contradictory ? The rise time after the upgrade using Leo Bodnar device. |
| button.ch:
when I saw this topic, it was already several years later, but I was immediately attracted to it. I have built a VGA output for ADV7120 according to the thread in the post, but the display is very dim. Should the 8-bit color input terminal of ADV7120 be connected to at least 6 bits? Thank you all for your guidance, I look forward to it! |
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