Specifications

UC864-E/G/WD/WDU AT Commands Reference Guide
80304ST10041a Rev. 7 - 2010-10-14
Reproduction forbidden without Telit Communications S.p.A’s. written authorization - All Rights Reserved. Page 216 of 318
#SHFAGCRX – Handsfree RX AGC Value tuning
compression slope. This is the slope of the compressor gain when
compression is applied. Meaningful range is 0x8000 to 0xFFFF.
Value(agc_compr_sloop) = 65536 * X : X range is 0.50001 to 0.99999
Note: these values are automatically saved in NVM.
AT#SHFAGCRX? Read command returns the current handsfree RX AGC values
#SHFAGCRX:
<agc_static_gain>,<agc_aig>,<agc_exp_thres>,<agc_exp_slope>,<agc
_compr_thres>,<agc_compr_slope>
AT#SHFAGCRX =? Test command returns the supported range of values of parameter
<agc_static_gain>,<agc_aig>,<agc_exp_thres>,<agc_exp_slope>,<agc
_compr_thres>,<agc_compr_slope>
3.5.7.1.66. Handsfree TX AGC Value tuning - #SHFAGCTX
#SHFAGCTX – Handsfree TX AGC Value tuning
AT#SHFAGCTX=
<agc_static_gain>,
<agc_aig>,
<agc_exp_thres>,<
agc_exp_slope>,
<agc_compr_thres
>,<agc_compr_slo
pe>
Set command sets the handsfree TX AGC value tuning
Parameter:
<agc_static_gain>
precompressor static gain. This is the gain applied to the input samples
when static gain is enabled. Meaningful Range is 0x2000 to 0xFFFF.
Value(agc_static_gain) = 8192 כ 10^(X/20) : X range is 0 to 18 dB.
<agc_aig>
pre-compressor gain selection flag. Write 0xFFFF to enable adaptive
gain (static gain disabled). Write 0x0000 to enable static gain (adaptive
gain disabled).
Meaningful value is just 0x0000 or 0xFFFF.
<agc_exp_thres>
expansion threshold. This is the energy threshold of the input under
which expansion is applied. This parameter must be less than
agc_compr_thres.
Meaningful range is 0x0 to 0x2580. Write 0 to disable the expander.