ADF7241 datasheet(67/72 Pages) AD

67 / 72 page

ADF7241

Rev. 0 | Page 67 of 72

Table 64. 0x371: xto26_trim_cal

Bit

Field Name

R/W

Reset Value

Description

[7:6]

Reserved

R/W

Reserved, set to default.

[5:3]

xto26_trim

R/W

26 MHz crystal oscillator (XOSC26N ) tuning capacitor control word. The load

capacitance is adjusted according to the value of xto26_trim as follows:

0: −4 × 187.5 fF.

1: −3 × 187.5 fF.

2: −2 × 187.5 fF.

3: −1 × 187.5 fF.

4: 0 × 187.5 fF.

5: 1 × 187.5 fF.

6: 2 × 187.5 fF.

7: 3 × 187.5 fF.

[2:0]

Reserved

R/W

Reserved, set to default.

Table 65. 0x381: vco_band_rb

Bit

Field Name

R/W

Reset Value

Description

[7:2]

vco_band_val_rb

Readback for the VCO frequency band after calibration.

Table 66. 0x381: vco_idac_rb

Bit

Field Name

R/W

Reset Value

Description

[7:2]

vco_idac_val_rb

Readback of the VCO bias current DAC after calibration.

Table 67. 0x395: rxcal0

Bit

Field Name

R/W

Reset Value

Description

[7:0]

dcap_ovwrt_low

R/W

RXBB filter tuning overwrite word, LSB.

Table 68. 0x396: rxcal1

Bit

Field Name

R/W

Reset Value

Description

[7:2]

Reserved

R/W

Reserved, set to default.

dcap_ovwrt_en

R/W

RXBB filter tuning overwrite word enable.

dcap_ovwrt_high

R/W

RXBB filter tuning overwrite word, MSB.

Table 69. 0x39B: rxfe_cfg

Bit

Field Name

R/W

Reset Value

Description

[7:5]

Reserved

R/W

Reserved, set to default.

lna_sel

R/W

Receive:

0: use LNA1.

1: use LNA2.

[3:0]

Reserved

R/W

Reserved, set to default.

Table 70. 0x3A7: pa_rr

Bit

Field Name

R/W

Reset Value

Description

[7:3]

Reserved

R/W

Reserved, set to default.

[2:0]

pa_ramp_rate

R/W

PA ramp rate:

2pa_ramp_rate × 2.4 ns per PA power step.

ADF7241 Datasheet(PDF) 67 Page - Analog Devices

ADF7241 Datasheet(HTML) 67 Page - Analog Devices

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