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Target Condition: Are Autorouters Friend or Foe?

07/01/2025 | Kelly Dack -- Column: Target Condition
For PCB designers, just hearing the word “autorouters” can trigger everything from eye rolls to heated debate. We all have stories—some painful, some comical—of boards gone sideways at the hands of an overzealous routing algorithm. But these tools aren’t going away, and frankly, they shouldn’t. Used wisely, they can save some project teams hours or even days. Used blindly, they can cost weeks. So, where do autorouting tools stand today, and is interactive routing the smarter path forward?

Elementary Mr. Watson: Retro Routers vs. Modern Boards—The Silent Struggle on Your Screen

06/26/2025 | John Watson -- Column: Elementary, Mr. Watson
There's a story about a young woman preparing a holiday ham. Before putting it in the pan, she cuts off the ends. When asked why, she shrugs and says, "That's how my mom always did it." She asks her mother, who gives the same answer. Eventually, the question reaches Grandma, who laughs and says, "Oh, I only cut the ends off because my pan was too small." This story is a powerful analogy for how many PCB designers approach routing today.

Cadence AI Autorouter May Transform the Landscape

06/19/2025 | Andy Shaughnessy, Design007 Magazine
Patrick Davis, product management director with Cadence Design Systems, discusses advancements in autorouting technology, including AI. He emphasizes a holistic approach that enhances placement and power distribution before routing. He points out that younger engineers seem more likely to embrace autorouting, while the veteran designers are still wary of giving up too much control. Will AI help autorouters finally gain industry-wide acceptance?

Beyond Design: The Metamorphosis of the PCB Router

06/18/2025 | Barry Olney -- Column: Beyond Design
The traditional PCB design process is often time-consuming and labor-intensive. Routing a complex PCB layout can consume up to 30% of a designer’s time, and addressing this issue is not straightforward. We have all encountered this scenario: You spend hours setting the constraints and finally hit the Go button, only to be surprised by the lack of visual appeal and the obvious flaws in the result.

Zuken Autorouters Embrace Collaborative AI

06/12/2025 | Andy Shaughnessy, Design007 Magazine
Maybe you’ve never liked autorouters; if so, you’re not alone. As Andy Buja, Zuken’s technical account manager for PCB Solutions, admits, autorouters are not perfect. But today’s autorouters allow designers a greater level of control than ever before, especially routers that incorporate collaborative AI.
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