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  • May-05 2020 13:54:29

    I have tested each attenuation 0 dB (reference), 10 dB, 20 dB and 30 dB with my calibrated VNA HP 8753D (30kHz to 6GHz) and all was in tolerance from 30 kHz to 4 GHz (I have done measurement up to 6 GHz) except the 20dB attenuation which was out of expected tolerance from 3.1GHz up to 4GHz or more. => Frequency 3.1 GHz, S21 Gain -18.8 dB, Delta dB of +1.2 dB when it was expected to be +/-1.1 dB => Frequency 4 GHz, S21 Gain -18.2 dB, Delta dB of +1.8 dB when it was expected to be +/-1.1 dB =>

  • October-16 2020 03:12:52

    Haven't tried yet but it looks nice and well built.

  • February-04 2020 12:59:52

    abbastanza buoni ...

  • July-07 2019 03:33:24

    Top quality attenuator !! Recommended !!

  • October-25 2017 13:13:53

    I needed to attenuate a high power signal. It worked very well.

  • October-07 2020 09:36:35

    I ordered thes for calibration of the LTDZ 35-4400M spectrum analyser. Noticed however that the analyzer needs a 40dB attenuator. The ordered attenuators are however useful for many other applications. seem to be OK quality (at least for me). The came very fast; only 2 weeks. I have seen the same parts cheaper on other sites, but then you need to wait for up to 2 months!

  • July-01 2020 08:52:43

    It seems to be reasonably well made but the use of female sma sockets all round reduces its value for money since this forces you in most cases to use at least one back to back male sma barrel adapter. It would have been a far better product if they'd substituted half of those female sockets with sma pcb edge mount male plugs. JBG

  • May-14 2020 10:53:37

    Par des mesures indirectes j'ai pu vérifier que les atténuations correspondent aux valeurs indiquées sur la plage 1MHz à 150 MHz. Convient pour mon usage.

  • September-04 2020 22:29:22

    I have three of these attenuator boards, and I will probably buy more. Great for RF projects!

  • June-20 2020 01:44:00


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