This is an apples vs pecans question.
Better-stated questions:
What's the probability that a properly-designed and engineered linear
power supply will radiate RF noise of sufficient amplitude to be
bothersome?
What's the probability that a properly-designed and engineered switching
power supply will radiate RF noise of sufficient amplitude to be
bothersome?
Answer: unknown. likely small but equal.
Kim N5OP
On 1/20/2014 7:13 PM, Ken Brown wrote:
What is the probability that a transformer/rectifier/capacitor
filter/linear regulated power supply will generate and radiate
(through AC power input or DC power output leads) RF noise of
sufficient amplitude to be bothersome? That probability may not be zero.
What is that probability that a switched mode regulated power supply
will be not "properly engineered" and generate and radiate RF noise of
sufficient amplitude to be bothersome?
How do those two probabilities compare?
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