ADMV1455BBCZ-R7 datasheet(137/141 Pages) AD

137 / 141 page

Data Sheet

ADMV1455

analog.com

Rev. 0 | 137 of 141

Figure 321.

Table 171. Bit Descriptions for REG090B

Bits

Bit Name

Description

Reset

Access

[7:4]

DSAQ_0P1DB_LUT_A_0

IF DSAQ LUT A Index 0. 1.5dB Range with 0.1dB Step, Used for IMR Calibration.

0x0

R/W

[3:0]

DSAI_0P1DB_LUT_A_0

IF DSAI LUT A Index 0. 1.5dB Range with 0.1dB Step, Used for IMR Calibration.

0x0

R/W

Address: 0x90C, Reset: 0x00, Name: REG090C

Figure 322.

Table 172. Bit Descriptions for REG090C

Bits

Bit Name

Description

Reset

Access

[7:0]

LO_DOUBLER_BAND_LUT_A_0

LO Double Band LUT A Index 0. The enumeration values are general guidance. Adjust as needed

to achieve system level spurious specifications.

0x0

R/W

0xC0: LO Frequency ≥ 24GHz.

0x80: 18GHz ≤ LO Frequency < 24GHz.

0x08: 14GHz ≤ LO Frequency < 18GHz.

0x04: 12GHz ≤ LO Frequency < 14GHz.

0x1D: 10GHz ≤ LO Frequency < 12GHz.

0x1F: LO Frequency < 10GHz.

Note: The Filter LUT A Index 1 to Gilter LUT B Index 31 bit fields functionality (Register 0x90D to Register 0xC3F) is identical to filter LUT A

Index 0 bit fields functionality (Register 0x900 and Register 0x90C). See Table 27 for the register address information.

Address: 0xE00, Reset: 0x00, Name: REG0E00

Figure 323.

Table 173. Bit Descriptions for REG0E00

Bits

Bit Name

Description

Reset

Access

[7:5]

RESERVED

Reserved.

0x0

RF_DSA2_GAIN_LUT_0

RF DSA2 Gain LUT Index 0. Provides gain range with single 1-bit gain step of 6dB.

0x0

R/W

[3:0]

RF_DSA1_GAIN_LUT_0

RF DSA1 Gain LUT Index 0. Provides gain range of 15dB with gain step of 1dB.

0x0

R/W

0000: 0dB.

0001: −1dB.

0010: −2dB.

0011: −3dB.

0100: −4dB.

0101: −5dB.

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