Boonton 4240 RF Power Meter Manual de usuario descargar pdf (Pagina 50)

Boonton 4240 Series RF Power Meter

4.3 Dynamic Range

The hold range mode is useful when he hold range mode

is active when a specific instrument ect nge of this mode is

limited by the zero offset and the reso ee t the useful dynamic

nge is 20 dB if the error is to be kep for e measured value is

Figure 4-3 Thermal Sensor Decay

it is known that the signal will vary over a certain limited range. (T

range, other than autorange, has been sel ed.) The dynamic ra

lution, as shown in Figure 4-4. It can be s n from this figure tha

t below 0.1 dB. An asterisk is displayed be e the channel when thra

below the lower range limit indicating an uncalibrated measurement.

Figure 4-4. Extended Hold Range Mode

Operation

4-4

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Boonton 4240 RF Power Meter Manual de usuario Pagina 50