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How to measure attenuation on low freq

Question asked by bar28 on May 12, 2011
Latest reply on Aug 4, 2011 by Tisfurs
What is good method to measure attunuation from Type-N 8491B 20dB fixed
attenuator, when frequency range is 100KHz-2MHz? Most of low frequency
VNA's starts from 300kHz and pretty often accuracy is not so good on that range.
HP/Agilent 8902A with tuned RF-level mode is great, but it works just after 2.5MHz.
If someone has practical level ideas, please let me know.  

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