LBXXXA Series USB Powe
™
Product Manual PMA (Power Meter Application)
Revision: 08/02/11
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The power and frequency units are also selectable from the toolbar as shown below. Or you can change the power
units by clicking on the units label to the right of the power reading itself. And you can change the center frequency by
clicking anywhere on the frequency reading in the active display.
Measurement Resolution
The amplitude resolution is fixed to a thousandth of a measurement unit. Frequency is selectable in MHz or GHz
ranges.
Instrument Preset
The
Preset
button returns the unit to the following default state:
Mode = CW
Frequency = 1 GHz
Frequency units = GHz
Power units = dBm
Averaging = 75
Measured Pulse Setup = 3 dB (See Pulse Peak Criteria for LB4XXA only)
Measurement Update Rate = medium
Display = default
Sweep Time = 1 msec
Offset = 0 dB, disabled
Response = 0 dB, disabled
Duty Cycle = 10%, disabled
Minimum Loss Pad (75 ohm) = not selected*
Trigger Mode = Internal Continuous
Trigger Out = disabled
Recorder = disabled
*Preset will not change the input impedance if checked (enabled). Application launch sets the input to 50 ohms.
