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64 DESIGN007 MAGAZINE I MARCH 2023 Tips and Tricks in Today's Designs I don't really get into the materials because I could talk for hours about that and we don't have the time. How about cost strategies? You're in the aerospace industry and there are a lot of industries represented here. Are you concerned about cost for the aerospace industry? I'm very concerned about cost because we make things airborne. We do things in space, so cost always depends on where you put things. Cost can increase exponentially at times. We have a concept called LC swap, and LC stands for "low cost." It also includes sizing, power, weight, and we talk about how we combine all that to drive it together to meet your require- ment. So, if low cost is really your high point, Interview by Kelly Dack Filbert Arzola of Raytheon Intelligence & Space taught a Professional Development course at IPC APEX EXPO on general design practices. During a break, Filbert spoke with Kelly Dack about some of today's design strat- egies and how designers are reacting to them. What matters most? Filbert, your class is more about tips and tricks. I've listened to a couple of topics on ground bonding and strategies, and length matching and strategies. What can you tell me about it? It's a two-part class and it's going very well. We've had a lot of questions, as well as posi- tive comments on the class topics. We're try- ing to cover everything as basic as possible, but also get into some of the more intense parts of what we want to accomplish as board design- ers. e second part of the class will include RF design and some other topics, so I'm looking forward to what everyone thinks. e point of the class is to help folks outside printed wir- ing boards understand why our job isn't as easy as they think. Depending on how you look at it, they may also see it's not as hard as they thought it was. I'm very happy with how it's going. How about any material or stackup strate- gies? Do you get in-depth with any of them? I get into the stackup strategy in that it is the spine of the design producibility, and that's the only way that you can start a design. You must have a stackup so you can plan. I talk about the design being producible and stable. Filbert Arzola 64 DESIGN007 MAGAZINE I MARCH 2023