3/9/2024 0 Comments Free rf filter design softwareNeed a small capacitor? Twist some wire together (a trick we’ve heard called a “gimmick capacitor”). That’s not the only practical advice offered. That way you can tune to account for circuit variances. Even the values of components will vary from their ideal values and may change over time.īecause of that, uses trimmer capacitors in the resonant part of the circuit. Inductors and capacitance have no parasitic elements in our rosy design world. Wires have zero resistance, capacitance, and inductance. One of the culprits, of course, is we tend to design and simulate with perfect components. He starts out pointing how now modern tools will make designing and simulating any kind of filter easy, but the trick is to actually build it in real life and get the same performance. We bet when made his latest video about RF filter design (YouTube, embedded below), he had the old saying in mind: in theory, there’s no difference between theory and practice, but in practice, there is.
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