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    2020-05-05 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 =>

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    2020-02-04 12:59:52

    abbastanza buoni ...

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    2019-07-07 03:33:24

    Top quality attenuator !! Recommended !!

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    Good set of Attenuators

    2017-10-25 13:13:53

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

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    2020-07-01 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

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    2019-11-20 03:34:39

    Gute Qualität zu einem gutem Preis! Ich habe die SMA Buchsen zusätzlich mit der Unterseite der Platine verlötet, um noch besseren Halt zu garantieren, ist aber nicht unbedingt nötig. Die Impedanzen sind in einem engen Bereich (+/- 1 Ohm) um 50 Ohm.

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    2020-05-14 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.

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    2019-11-18 09:25:56

    I separated the four attenuators by cutting the printed circuit board. The 0dB attenuator was modified to a DC block by cutting the inner conductor and bridging it with an SMD capacitor (0.1uF). Works perfectly.

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    2020-06-20 01:44:00

    Ok!

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    2020-04-04 08:40:24

    Works well. I have to place it into a Metal shield to keep it from leaking stray RF into the project I was working on.

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