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3 Short-Range Comms & IoT Mode

3.3 LoRa (CSS) Demodulation Measurement

Dependencies Only active when high pass filter type is Manual

Preset 500 Hz

State Saved Saved in instrument state

Min/Max 20 Hz / Half of the maximum DIF BW

Lowpass Filter (Post Demod)

Adjusts the post demodulation low pass filter. The filter is useful in removing

unwanted high frequency components of the modulating signal.

Remote

Command

LPF300K | LPF100K | MANual

[:SENSe]:LORA:LPFilter?

Example

:LORA:LPF LPF3K

Notes OFF = No filtering

LPF300 = Use 300 Hz low pass filter

LPF3K = Use 3 kHz low pass filter

LPF15K = Use 15 kHz low pass filter

LPF30K = Use 30 kHz low pass filter

LPF80K = Use 80 kHz low pass filter

LPF300K = Use 300 kHz low pass filter

LPF100K = Use >20 kHz low pass filter

MANual=Use user-defined low pass filter

Preset

OFF

State Saved Saved in instrument state

Off

Turns the post demodulation low pass filter off.

Example

:LORALPF OFF

300 Hz

Sets the post demodulation low pass filter to 300 Hz. It is a 5-pole Butterworth filter,

its 3 dB cutoff frequency is 300 Hz.

Example

:LORA:LPF LPF300

Short Range Comms & IoT Mode User's &Programmer's Reference 415

Keysight x-series Instruction Manual

Other manuals for Keysight x-series