Clgc Tx Attenuation Control - Analog Devices ADRV9029 User Manual

Preliminary Technical
Data

CLGC TX ATTENUATION CONTROL

As shown in Error! Reference source not found., the CLGC algorithm tunes the Tx front end attenuation in the transceiver in
order to converge to the requested loop gain. The user is required to configure the Attenuation limits and the step size
parameters through the API adi_adrv9025_ClgcConfigSet(). The Tx attenuation control parameters that a user needs to configure
are described in Table 5
Table 38. Tx attenuation control user configuration
Parameter
Minimum Tx Attenuation
Figure 67 CLGC Measurement Cycle
Description
The absolute value of the lower limit of Tx
attenuation configured in dB. Eg: If the lower Tx
attenuation limit is configured as 3dB, then the CLGC
algorithm cannot adjust the ADRV9025 Tx front end
attenuation beyond 3dB.
This parameter can be used to mitigate CLGC over-
compensating during any catastrophic situations
Rev. PrA | Page 67 of 82
User Configuration Access
adi_adrv9025_ClgcConfig_t.
clgcMinTxAttenAdjust_dB