ADMV4530 datasheet(60/64 Pages) AD

60 / 64 page

Data Sheet

ADMV4530

analog.com

Rev. C | 60 of 64

Table 61. Bit Descriptions for REG0102

Bits

Bit Name

Description

Reset

Recommended

Access

IF_DET_EN_OVERRIDE

IF Detector Enable Override

0x0

R/W

0: disable (IF detector only active in power-down mode)

1: enable (IF detector always on)

AGC_EN_OVERRIDE

AGC Enable Override

0x0

R/W

0: disable (IF AGC only active in power-down mode)

1: enable (IF AGC always on)

IF_VVA_CFG

IF VVA Configuration

0x1

I/Q mode: 0x0,

R/W

0: disable (I/Q mode)

IF mode: 0x1

1: enable (IF mode)

RESERVED

Reserved

0x1

R/W

[3:1]

IFAMP_EN

IF Amplifier Enable

0x7

I/Q mode: 0x0,

R/W

000: disable (I/Q mode)

IF mode: 0x7

111: enable (IF mode)

RESERVED

Reserved

0x1

R/W

Address: 0x103, Reset: 0x51, Name: REG0103

Table 62. Bit Descriptions for REG0103

Bits

Bit Name

Description

Reset

Recommended

Access

RESERVED

Reserved.

0x0

R/W

[6:0]

MIXER_VCM

Mixer Common-Mode Voltage.

0x51

I/Q mode: 0x5D,

R/W

In I/Q mode, for VCM = 0.0 V to 1.5 V, set MIXER_VCM = ROUND(23.8 × VCM + 80.7). In I/Q

mode, VCM for = 1.5 V to 2.5 V, set MIXER_VCM = ROUND(23.8 × VCM + 1.3). The default in I/Q

mode for VCM = 0 V, is MIXER_VCM = 81 = 0x51.

IF mode: 0x5B

In IF mode, set MIXER_VCM = ROUND(0.3 × (128 − TARGET_MIXER_DC_OFFSET) + 80.7)

Address: 0x104, Reset: 0x5F, Name: REG0104

Table 63. Bit Descriptions for REG0104

Bits

Bit Name

Description

Reset

Recommended

Access

RESERVED

Reserved.

0x0

R/W

[6:0]

PHASE_ADJ_I

LO Phase Adjustment Path I

0x5F

R/W

Address: 0x105, Reset: 0x5F, Name: REG0105

ADMV4530 Datasheet(PDF) 60 Page - Analog Devices

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