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One thing I noticed in your video that might help you, is to adjust the time base so that you can see two or three complete cycles, rather five or six cycles. Then, make the peaks higher by changing the voltage setting. In this way you can get a larger, more detailed look at each cycle. Makes it easier to detect ambiguities visually. Of course you cannot see IMD or 2nd harmonics on a scope like you could with a SA, but you will be able to see if the sine wave is uniform and not clipping. That'll be something you can do. That should help keep IMD down some too. Keeping the sinusoidal shape pristine as the signal coming in is important too.

BTW - did you peak the TX coils?

[QUOTE="Robb, post: 576140, member: 8446"] One thing I noticed in your video that might help you, is to adjust the time base so that you can see two or three complete cycles, rather five or six cycles. Then, make the peaks higher by changing the voltage setting. In this way you can get a larger, more detailed look at each cycle. Makes it easier to detect ambiguities visually. Of course you cannot see IMD or 2nd harmonics on a scope like you could with a SA, but you will be able to see if the sine wave is uniform and not clipping. That'll be something you can do. That should help keep IMD down some too. Keeping the sinusoidal shape pristine as the signal coming in is important too. BTW - did you peak the TX coils? [/QUOTE]

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