Um, tell that to HP.
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BNC barrel attenuators are good probably to 20 dB. I have lower attenuation units - 3 dB and 6 dB sort of things. (At HF I like to use them because they provide a nice leakage path to deal with static build up issues.)
On 20191019 13:02:42, doug wrote:
On 10/18/2019 08:30 PM, jdow wrote:
My recent splurge was an 8664A synthesizer. A well calibrated 0dB to 40Hi, Joanne--
dB would get me down easily as far as I need to go. (It would nominally
make -180 dBm.) But, they'd have to be good attenuators. In the mean
time I probably should get something from EBay that is "good" and
nominally calibrated. It would be good to have around here. I do have
some BNC coaxial attenuators I can use. I have to dig them out. It's an
archeological expedition time.
Surely you of all people know that BNC attenuators are not very good attenuators at any VHF or higher frequency. Fine for HF, unless you need
a lot of attenuation.