Recommendations for a little LTSpice design project?

Well, one of the advantages of getting a new Windows 7 laptop is that I now have a much nicer environment for running LTSpice. Does anyone have any ideas of a good, simple project that I could do to help me learn the ropes of LTSpice, and which I could also build for real to test my understanding? Perhaps something like a VFO + buffer amplifier + power amplifier chain, that could be done in steps? The simple transmitter in EMRFD would seem to be a reasonable choice, but the oscillator is crystal controlled, and I’ve heard that LTSpice can have some difficulty simulating these kind of “high Q” circuits.

What would you all suggest?

2 thoughts on “Recommendations for a little LTSpice design project?

  1. Bill

    Mark: I’ve never really tried modeling oscillators, but I have had a great time using LTSpice to design amplifier chains. Maybe set a power output level (1 W ? 5 W?) as your goal, and begin with the power level you expect to get from your oscillator stage. I tried to keep mine in Class A as a design exercise. Then I built it in the real world and compared results. Have fun. 73 Bill

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