|[AMRadio] Turns Ratio Question|
ars.w5omr at gmail.com
Sat Nov 17 10:56:32 EST 2007
> Im still well into learning mode as I stumble around my audio
> Looking at a modulation xfmr that is marked 4596VCT RMS Primary and
> 3747V RMS secondary. This appears to be a 0.82:1 voltage step down or
> a .64 impedance step down if I did the math right. Question is what
> sort of wiggle room is there in both impedance ratios and actual
> voltages used?
> The power rating is way more than sufficient for my needs and it is
> rated down to 50 Hz. I can use modulator tubes to supply sufficient
> power to overcome a reasonable mismatch but what is reasonable and how
> does the mismatch affect distortion? I havent been able to find any
> formulas or graphs.
Try this educational link.
Driving your AM Rig without a scope,
is like driving your car at night, without headlights. (K4KYV)
73 = Best Regards,
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