STW82102B datasheet(43/67 Pages) STMICROELECTRONICS

部件名	STW82102B

功能描述	RF down converter with embedded integer-N synthesizer

PDF	67 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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43 / 67 page

STW82102B

I2C bus interface

Doc ID 018516 Rev 2

43/67

MIXER_CONTROL

Mixer control register

Address:

0x07

Type:

Reset:

0x00

Description:

Least significant bits of DAC control word and mixer control bit fields

IFAMP_ LO_CONTROL

IF amplifier LO control register

Address:

0x08

Type:

Reset:

0x00

654

3210

[7:6] DAC[1:0]: DAC input word for DAC current control (bits DAC[9:2] in the DAC_CONTROL

[5:2] MIX[3:0]: Mixer bias control value

[1] PD_DAC: DAC power down

[0] CAL_AUTOSTART_EN: VCO calibration auto-restart enable (’1’ active), permits to

automatically restart the VCO calibration procedure in case of PLL unlock

654

3210

IFAMP[1:0]

CAP[2:0]

LO_A[1:0]

LPMUX_EN

WWW

[7:6] IFAMP[1:0]: power consumption/linearity control

[5:3] CAP[2:0]: Tuning capacitors control

[2:1] LO_A[1:0]: LO amplitude control

[0] LPMUX_EN: for test purpose only (low power mode for MUX); must be set to ’0’

STW82102B 数据表(PDF) 43 Page - STMicroelectronics

STW82102B 数据表(HTML) 43 Page - STMicroelectronics

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