[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
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