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Oberheim OBX voice-card replica creation
Oxygen Electronics is committed to fighting counterfeiting. This replica ICs perform identically 78,15a the old-school ICs. The Oberheim OBX synthesizer is one of the most sought after vintage analog synths. Life Support for the Procurement Process. Although we take great care about our tutorials neither the author nor obsoledo takes any responsibility for insuries, false information or any damage caused by this tutorial. After creating the PCB I started with sourcing the parts.
The image shows how I arranged the controls. First I smx with the VCO section.
I got some of the first prototypes of the IC. And I was lucky that I did not stuff and solder the entire board because there were a couple of errors on the board layout. The sound is legendary. To create a faithful replica I tried to copy the layout as close as possible. I will compare them as soon as I receive the prototype PCBs. Our proprietary data and data systems enable our staff to understand Pricing trends, historical availability, and a myriad of other factors ensuring we can always negotiate the best pricing!
After doing some analysis the cause could be rooted to out of specs components produced by Central Semiconductors. After replacing the transistors I finally had two working VCOs. Meanwhile I will create a new design of the voice-card using more recent components.
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It is a transistor array consisting of 5 NPN transistors. This project is to recreate the original voice card and eventually develop a drop-in solution for vintage OBX but also OBXa synthesizers.
In the photo you can see the circuit layer on top of the image of the original PCB. In these instances I used the schematics and took a best guess based 778l15a the overall PCB design. You must be logged in to post a comment.
Our stated company goals are to continually improve servicemeet ISO Quality Certificationand implement innovative tools like Brokerlynx to protect you from substandard product quality and counterfeit parts while ensuring full traceability on all transactions!
We have been services with honesty and winning with quality based on the business concept of Quality First Customer Foremost. Today the prototype PCBs and some other components arrived. So the first information I gathered was the schematics, some photos and I was lucky to also find the original PCB layout.
Smv it is possible to “copy” the layout from the image. The look fine but I spotted one small mistake.
Exclusive Access to Electronic Component Inventories: Basically one could use 5 transistors instead. The PCB creation was straight forward.
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The software I use has an option to load images as a layer. And if you are just curious, use our Part Search features! We expand actively domestic and international market, understand highly the market changes,in gradually vigorous market competition, the enterprise scope have been expanded continuously, our net-selling are all over the domestic, and now we are expanding the international market We attach importance to the technique ,and observe the 78l15z change, have the ample sale experience, we have our own stock with large quantities, at the same time we have built up a cooperate net with the factories and Agents in USA, Europe, Japan, South Korea, Taiwan, etc.
The breadboard and a dedicated PSU connect directly to the voice card. One of the most difficult and expensive parts to source was until recently the CEM envelope generator IC.
Most of the controls just use 0 to 5 volts as a CV input. Increase Productivity Superior Process: Oberheim OBX voice-card replica creation wintermute. Category Browser Open all Close all. The final test rig looks like this: If all you sd is price tendency, visit Pricelynx. Some of them can be switched high or low such as sync and the waveform. You can download our educational brochure on how to spot counterfeiting and the very latest list of counterfeited parts from Brokerlynx.
In some cases the PCB layout was blurry or covered by some of the components. After tuning the VCOs and some other initial calibration I was finally ready to make a little demo see below for video demonstration.
After printing out the component placement plan see attached documentsI will start soldering today. As expected some of the parts are out of production for a long time. The PCB layout data was send to a manufacturer and is now being shipped.
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Our proprietary U-Shaped Process integrates every aspect of a transaction, including outside partnersto ensure that the job is done right, while minimizing your vendor database. The author of this tutorial states that you are exposed to low voltage. This will help to spot errors which then can be corrected in the layout.
The member registration is currently not possible. I will use them for the prototypes though. Powered by Hong Kong Inventory Limited.