Boonton 4240 RF Power Meter Manual de usuario descargar pdf (Pagina 84)

Boonton 4240 Series RF Power Meter

5.5.11 SENSe Subsystem

The purpose of the SENSe command subsystem is to directly configure device specific settings used to make measurements,

generally parameters related to the RF power sensor and signal processing. The SENSe commands are used to configure the

power meter for acquiring data. SENSe enables you to change measurement parameters such as filtering or averaging,

perating frequency and calfactors, and measurement gain or offset. The numeric suffix of the SENSe program mnemonic in

e SENSe commands refers to a hardware measurement “channel”, that is SENSe1 and SENSe2 represent the instrument’s

paths, respectively. The SENSe commands generally DO NOT affect the data processing

nd display portion of the measurement (see the CALCulate subsystem, Section 5.5.2). Note that SENSe2 commands will

nerate d w

ENSe:CORRe ion:CALFacto

Descript : t or r lfact ote setting a

lfactor ll o as calculated

d app erating operating frequency will

erride ing.

Syntax: ction:CALFa

Argume meri .00 to 3.00 dB

Description: r re in use on the selected channel.

Syntax: Se[ Rection:DCYC

t: percent

ENSe:CORRection:FREQuency

or return the RF frequency for the current sensor, and apply the appropriate frequency

Syntax: SENSe[1|2]:CORRection:FREQuency <numeric value>

t: l sensor may have narrower range)

tion:OFFSet

Description: Set or return a measurement offset in dB for the selected sensor. This is used to compensate for

external couplers, attenuators or amplifiers in the RF signal path ahead of the power sensor.

Syntax: SENSe[1|2]:CORRection:OFFSet <numeric value>

Argument: <numeric value> = -99.99 to 99.99 dB

SENSOR 1 and SENSOR 2 signal

ge an error if use ith a single channel 4240 Series instrument.

S ct r

ion Se eturn the frequency ca or currently in use on the selected channel. N

nd wi lfactor that wca with this comma verride the “automatic” frequency ca

an lied when the op frequency was set, and setting the

settov this calfactor

SENSe[1|2]:CORRe ctor <numeric value>

nt: <nu c value> = –3

SENSe:CORRection:DCYCle

Set o turn the duty cycle correction factor currently

SEN 1|2]:COR le

Argumen <numeric value> = 0.01 to 100.00

Description: Set

calfactor from the sensor’s EEPROM table. Application of this calfactor cancels out the effect of

variations in the flatness of the sensor’s frequency response. If an explicit calfactor has been set,

either manually or via the SENSe:CORRection:CALFactor command, entering a new frequency

will override this calfactor and use only the “automatic” frequency calfactor.

Argumen <numeric value> = 0.01e9 to 110.0e9 Hz (actua

SENSe:CORRec

Remote Operation

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Boonton 4240 RF Power Meter Manual de usuario Pagina 84

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