[R-390] Measuring Sensitivity
Roy Morgan
roy.morgan at nist.gov
Fri Mar 9 12:02:35 EST 2007
At 11:38 AM 3/9/2007, Roy Morgan wrote: ...
>The 1001A has an odd set of output impedances. "The output impedance at
>the ATTENuator jack is 10 ohms for all except the 100 MV MULTIPLIER
>setting, where the output impedance is 50 ohms."
I goofed about MILLI volts and MICRO volts. The above is correct.
>The 1001A generator will deliver to the output end of a (relatively short)
>cable the voltage level indicated by the panel meter and cotrols if:
>- on the 100 microvolt setting there is only the cable
>- on other settings, the 40 ohm series resistor unit is in place.
Here is the goof..it should say the 100 MILLI volt scale.
>Now, if you have a GR 1001A, use the 100 micro volt setting of the
>attenuator with no series resistor.
Again, it should say 100 MILLI volt.
Roy
- Roy Morgan, K1LKY since 1959 - Keep 'em Glowing
13033 Downey Mill Road, Lovettsville, VA 20180
Phone 540-822-5911 Cell 301-928-7794
Work: Voice: 301-975-3254, Fax: 301-975-6097
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