5-48 Echo Liquid Handler User Manual
Power
Amplifier Feedback: The AMPLIFIER FEEDBACK field displays the
current power correction factor, and normally should be very close to
1.0.
Pulse Energy: The PULSE ENERGY field will be empty until power
calibration is performed.
Vpp: The voltage peak-to-peak (VPP) field will be empty until power
calibration is performed.
2. Click the CALIBRATE button in the POWER section of the CALIBRATE
POWER dialog box. The Echo liquid handler performs the following
procedure:
The most recent power calibration record stored in the Echo database
is read. This data will be used in the next step.
An RF pulse is generated.
Several RF measurements are taken.
A new amplifier feedback value is calculated and displayed as
POWER—AMPLIFIER FEEDBACK.
A new pulse energy value is measured and displayed as POWER—
PULSE ENERGY.
A new Vpp value is measured and displayed as POWER—VPP.
The new power calibration record is stored in the Echo database.
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