Mikek, The SimSmith model is assuming an Ideal transformer, with no
loss. The 50 points is a function of Generator 50 Ohm output impedance.
Lower generator output impedance will reduced Q loss. A possible
solution is an AD8055 amplifier at the injection transformer.
I'm not sure how to measure high frequency rolloff, as it's a function
of coefficient of coupling. Rather hard to measure a 2500:1 Z ratio
coefficient of coupling.
Low frequency rolloff is a function of inductance, T50-43 50T = 1100uH,
will have a rather low rolloff frequency.
John KN5L
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On 9/17/22 9:34 AM, Mikek wrote:
John, what are the low and high frequency rolloff points of your 50 to 1
#43 material transformer?
?Is some of that missing 50 points of Q, caused by the loss in the
transformer primary?
?What is the Q of your 50¦¸ primary
What do you think are the other losses?
?
???????????????????? Thanks, Mikek
