Quote:
Originally Posted by bandersen
No, do it the way they describe with a sweep generator. Always follow the alignment instructions.
It is not a staggered tuned IF. Look at the schematic for the video IF. Notice there are no coupling transformers between stages?
It capacitively coupled with peaking coils. It's a different way of creating the desired IF response.
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Yes I see that now. Thank you! Unfortunately my B&K 415 only puts out about 30 MHz at the lowest IF output setting and this requires 25.0 as the center point. I wouldn't be able to use the markers either...I'd need an external marker unit. I do have a decent Knight frequency generator that I have dialed in at 25 MHz using my scope but I can't sweep. I do have a Knight sweep generator I restored but it's electromechanical and I would need to calibrate it first.
07-10-2023, 02:35 PM
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