AD9173 datasheet(103/144 Pages) AD

103 / 144 page

Data Sheet

AD9173

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Rev. C | 103 of 144

Table 60. Register Details

Addr.

Name

Bits

Bit Name

Settings

Description

Reset

Access

0x146

CHNL_GAIN0

[7:0]

CHNL_GAIN[7:0]

Sets the scalar channel gain value. This control

is paged by the CHANNEL_PAGE bits in Register

0x008. Channel gain = CHNL_GAIN/211.

0x0

R/W

0x147

CHNL_GAIN1

[7:4]

RESERVED

Reserved.

0x0

[3:0]

CHNL_GAIN[11:8]

Sets the scalar channel gain value. This control

is paged by the CHANNEL_PAGE bits in Register

0x008. Channel gain = CHNL_GAIN/211.

0x8

R/W

0x148

DC_CAL_TONE0

[7:0]

DC_TEST_INPUT_

AMPLITUDE[7:0]

DC test tone amplitude. This amplitude goes to both I

and Q paths. Set these bits to 0x50FF for a full-scale

tone and ensure DDSC_EN_DC_INPUT in Register

0x130 Bit 0 is set to 1. This control is paged by the

CHANNEL_PAGE control in Register 0x008.

0x0

R/W

0x149

DC_CAL_TONE1

[7:0]

DC_TEST_INPUT_

AMPLITUDE[15:8]

DC test tone amplitude. This amplitude goes to both I

and Q paths. Set to 0x50FF for a full-scale tone and

ensure that DDSC_EN_DC_INPUT (Register 0x130,

Bit 0) is set to 1. This control is paged by the

CHANNEL_PAGE bits in Register 0x008.

0x0

R/W

0x14B

PRBS

PRBS_GOOD_Q

DAC1 good data indicator.

0x0

Correct PRBS sequence detected.

Incorrect sequence detected. Sticky; reset to 1 by

PRBS_RESET.

PRBS_GOOD_I

DAC0 good data indicator.

0x0

Incorrect sequence detected. Sticky; reset to 1 by

PRBS_RESET.

Correct PRBS sequence detected.

RESERVED

Reserved.

0x0

PRBS_INV_Q

DAC1 data inversion.

0x1

R/W

Expect normal data.

Expect inverted data.

PRBS_INV_I

DAC0 data inversion.

0x0

R/W

Expect normal data.

Expect inverted data.

PRBS_MODE

Select which PRBS polynomial is used for the

datapath PRBS test.

0x0

R/W

7-bit: x7 + x6 + 1.

15-bit: x15 + x14 + 1.

PRBS_RESET

Reset error counters.

0x0

R/W

Normal operation.

Reset counters.

PRBS_EN

Enable PRBS checker.

0x0

R/W

Disable.

Enable.

0x14C

PRBS_ERROR_I

[7:0]

PRBS_COUNT_I

DAC0 PRBS error count.

0x0

0x14D

PRBS_ERROR_Q

[7:0]

PRBS_COUNT_Q

DAC1 PRBS error count.

0x0

0x14E

PRBS_CHANSEL

[7:3]

RESERVED

Reserved.

0x0

[2:0]

PRBS_CHANSEL

Selects the channel to which the PRBS_

0x7

R/W

GOOD_x and PRBS_COUNT_x bit field readbacks

correspond.

Select Channel 0 for PRBS_COUNT_x and

PRBS_GOOD_x (Channel 0, DAC0).

AD9173 Datasheet(PDF) 103 Page - Analog Devices

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