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Datenblatt-Suchmaschine für elektronische Bauteile |
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Datenblatt-Suchmaschine für elektronische Bauteile |
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CC1020-RTR1 Datenblatt(PDF) 81 Page - Texas Instruments |
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CC1020-RTR1 Datenblatt(HTML) 81 Page - Texas Instruments |
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81 / 91 page  CC1020 SWRS046 Page 81 of 92 PA_POWER Register (1Ch) REGISTER NAME Default value Active Description PA_POWER[7:4] PA_HIGH [3:0] 0 - Controls output power in high-power array 0: High-power array is off 1: Minimum high-power array output power … 15: Maximum high-power array output power PA_POWER[3:0] PA_LOW[3:0] 15 - Controls output power in low-power array 0: Low-power array is off 1: Minimum low-power array output power … 15: Maximum low-power array output power It is more efficient in terms of current consumption to use either the lower or upper 4-bits in the PA_POWER register to control the power. MATCH Register (1Dh) REGISTER NAME Default value Active Description MATCH[7:4] RX_MATCH[3:0] 0 - Selects matching capacitor array value for RX. Each step is approximately 0.4 pF. MATCH[3:0] TX_MATCH[3:0] 0 - Selects matching capacitor array value for TX. Each step is approximately 0.4 pF. PHASE_COMP Register (1Eh) REGISTER NAME Default value Active Description PHASE_COMP[7:0] PHASE_COMP[7:0] 0 - Signed compensation value for LO I/Q phase error. Used for image rejection calibration. −128: approx. −6.2° adjustment between I and Q phase −1: approx. −0.02° adjustment between I and Q phase 0: approx. +0.02° adjustment between I and Q phase 127: approx. +6.2° adjustment between I and Q phase GAIN_COMP Register (1Fh) REGISTER NAME Default value Active Description GAIN_COMP[7:0] GAIN_COMP[7:0] 0 - Signed compensation value for mixer I/Q gain error. Used for image rejection calibration. −128: approx. −1.16 dB adjustment between I and Q gain −1: approx. −0.004 dB adjustment between I and Q gain 0: approx. +0.004 dB adjustment between I and Q gain 127: approx. +1.16 dB adjustment between I and Q gain POWERDOWN Register (20h) REGISTER NAME Default value Active Description POWERDOWN[7] PA_PD 0 H Sets PA in power-down when PD_MODE[1:0]=2 POWERDOWN[6] VCO_PD 0 H Sets VCO in power-down when PD_MODE[1:0]=2 POWERDOWN[5] BUFF_PD 0 H Sets VCO divider, LO buffers and prescaler in power-down when PD_MODE[1:0]=2 POWERDOWN[4] CHP_PD 0 H Sets charge pump in power-down when PD_MODE[1:0]=2 POWERDOWN[3] LNAMIX_PD 0 H Sets LNA/mixer in power-down when PD_MODE[1:0]=2 POWERDOWN[2] VGA_PD 0 H Sets VGA in power-down when PD_MODE[1:0]=2 POWERDOWN[1] FILTER_PD 0 H Sets image filter in power-down when PD_MODE[1:0]=2 POWERDOWN[0] ADC_PD 0 H Sets ADC in power-down when PD_MODE[1:0]=2 |
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