
( Brand: Fairchild Dumont Raytheon ), ( Manufacturer Part Number: CDU7571 ), ( Country/region Of Manufacture: United States ), ( Type: Memory Storage ), ( Bundle Listing: No )
The CDU7571 Williams Storage Memory Tube, also known as the Fairchild Dumont CDU, is a vintage digital-analog computer memory device with a rich history. This tube is a part of the CK7571 and QK685 families, and was primarily used in early computing systems developed by Raytheon.
The CDU7571 is a 12-inch diameter, 7-segment display tube, designed for high-speed, non-volatile digital storage. It operates on a cathode-ray tube principle, using a phosphor-coated screen and a focused electron beam. The tube's primary function is to store binary data, which is written and read by altering the intensity of the phosphor dots on the screen.
The tube's unique design, with its ability to store multiple bits of data in a single segment, makes it an efficient and space-saving solution for memory storage in early digital computers. Each segment can represent 2 bits of data, allowing for a total of 12 bits of data to be stored within the tube.
The CDU7571 is a testament to the engineering prowess of its time. Its robust construction, with a vacuum-sealed glass envelope and metal end caps, ensures the longevity of the tube. The tube's operation is powered by a high voltage supply, which provides the necessary electrons to create the visible display.
Today, the CDU7571 Williams Storage Memory Tube holds a special place in the history of computing. Its use in early digital computers has significantly influenced the development of modern-day storage solutions. Collectors and enthusiasts of vintage computing equipment often appreciate the CDU7571 for its historical significance and its unique role in the evolution of technology.
The CDU7571 Williams Storage Memory Tube, manufactured by Fairchild Dumont and later Raytheon, is a vintage digital-analog computer memory tube. Here are some pros and cons to consider before making a purchase:
Pros:1. Historical significance: The CDU7571 is a piece of computing history. It was used in early digital computers, and owning one is a unique collectible for tech enthusiasts.
2. Rare and collectible: Due to its age and limited production, the CDU7571 is a sought-after item among vintage computer collectors.
3. Educational value: The CDU7571 can be a valuable educational tool for learning about early computer technology and electronics.
4. Novelty factor: The tube's physical appearance and operation are interesting and may be appealing to some as a display or conversation piece.
Cons:1. Limited functionality: The CDU7571 is primarily a collectible and does not have modern computing capabilities.
2. Requires specialized knowledge: Operating and maintaining the CDU7571 requires a good understanding of vintage computer technology and electronics.
3. Expensive: Due to its rarity and collector's demand, the CDU7571 can be quite pricey.
4. Fragile and sensitive: The tube is a delicate piece of equipment that may require careful handling and storage to avoid damage.
Conclusion:The CDU7571 Williams Storage Memory Tube is an intriguing collectible for tech enthusiasts and computer history buffs. It offers a unique opportunity to connect with the past of computing and can serve as an educational tool. However, the tube's limited functionality, specialized knowledge requirements, and high price make it a niche purchase. Ultimately, whether the CDU7571 is a worthwhile buy depends on one's interest in vintage technology, willingness to invest time and money, and appreciation for its historical and educational value.
Recommendation:If you are interested in the CDU7571 for its historical significance and educational value, it can be a rewarding addition to your collection. However, it's essential to thoroughly research its operation and maintenance requirements to ensure you can properly care for it. Additionally, consider your budget and whether you are willing to invest in a niche collectible with limited modern usage.
This tube was used as memory in the radar set an fps-20 MIT moving target indicator section according to lore by dwell sable.
Williams type memory storage tube that used spots of stored charges on a plate written by an electron beam. Fairchild Dumont jan cdu 7571 williams type storage memory tube digital CK7571 QK685. The first storage tubes were used as memory in early computers like whirlwind and IBM 701 before ferret core was invented or perfected.
Look over photos and ask any questions. See also the strange world of storage tubes by Eric Barbour.
Very good condition as shown.