We don’t think [VK4FFAB] did himself a favor by calling his seven-part LTSpice tutorial LTSpice for Radio Amateurs. Sure, the posts do focus on radio frequency analysis, but these days lots of people are involved in radio work that aren’t necessarily hams.
Either way, if you are interested in simulating RF amplifiers and filters, you ought to check these posts out. Of course, the first few cover simple things like voltage dividers just to get your feet wet. The final part even covers a double-balanced mixer with some transformers, so there’s quite a range of material.
Power amplifier design and load-pull measurements in practice Power amplifier design and load pull measurements in practice Designing for RF Performance with Load-Pull Characterized Components Herman Westra Technical Consultant Agilent Technologies [email protected] Gustaaf Sutorius Application Engineer Agilent Technologies.
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We like LTSpice. It is powerful, easy to use, runs with Linux (using WINE), and the price is right. Since it is popular, there are also plenty of examples and tutorials, including this one.
We were glad to see [VK4FFAB] tackle transformers as they aren’t very easy to work through without some examples. We also talked about the transformer problem in part three of our LTSpice tutorial. In fact, you might find our video helpful when working through the first two post from [VK4FFAB]. We’ve seen other radio projects use LTSpice, including a regenerative receiver. If installing LTSpice is too much of a commitment for you, you can also do simulations in your browser. The Falstad simulator isn’t as powerful, but it does have some pretty neat features of its own.
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