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2* Press UNIT:nnnn to specify the unit for the signal level. Choose
the desired unit from among the following displayed when this key
is pressed:
UNIT: dBm WATT AMP VOLT
3. When you finish entering the unit, you can enter the signal level.
Use keys on the ENTRY block to enter the desired level.
Note
The signal level specified with the HP E4916A indicates the power
y
actually applied to a resonator. However, when you specify dBm
as the unit of the signal level, the specified level shows the signal
level at the port of the HP E4916A instead of the power applied to a
resonator.
Analog Output
The HP E4915A/E4916A can change its voltage output in proportion
to change in deviation from the reference frequency such as Fr.
The analog output terminal is provided on the rear panel of the
HP E4915A/E4916A.
Specifying Reference Frequency
Specify the frequency used as a reference to determine the deviation.
i
. Sequentially press
f(biue))
and (-
(System)).
Use
or
[<=41
to
display AnalogOut:OFF and Setting.
2* Press Setting to display the following:
dFdV REF
3. Select REF to specify the reference frequency.
4. Next, use keys on the ENTRY block to enter the desired reference
frequency.
Specifying Rate of Change in Output Voltage
Specify the rate of change in output voltage with change in
frequency.
i. Sequentially press
f(blue)
1 and [~
(System)].
Use (ft=») or (<=!).) to
display AnalogOut:OFF and Setting.
2- Press Setting to select dFdV.
5-10
Applications
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