Agilent Technologies 8590 L-Series Especificaciones Pagina 134

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134 Chapter2
Making Adjustments
20. Checking the External ALC for Option 010 or 011
17.Convert the ALC voltage recorded in the previous step to dBv using
the following equation.
ALC Voltage in dBv = ______________20 log (V)
The calculated ALC voltage, in dBV, should be ≥−0.75 dBV and
+0.75 dBV.
18.Adjust the SRC PWR to 34 dBV using the front-panel knob.
(Display reads 34 dBm.)
19.Note the voltage on the DMM. Wait until the reading stabilizes
before recording it in the space provided. This is the error at a source
power of 34 dBV.
ALC voltage at -34 dBV = ______________volts dc
20.Convert the ALC voltage recorded in the previous step using the
following equation.
The calculated ALC voltage, in dBV, should be greater than or equal
to 34.75 dBV and less than or equal to 33.25 dBV.
ALC voltage in fBV = 20 log (V)
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