ADRF6612ACPZ-R7 datasheet(45/57 Pages) AD

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Data Sheet

ADRF6612

Rev. A | Page 45 of 57

Address: 0x22, Reset: 0x000A, Name: VCO_CTRL1

VCO LDO R4 control s etting

Select VCO core/external LO

111: None.

110: External LO/VCO.

101: None.

100: None.

011: VCO_3 = 2.85 GHz to 3.5 GHz.

010: VCO_2 = 3.5 GHz to 4.02 GHz.

001: VCO_1 = 4.02 GHz to 4.6 GHz.

000: VCO_0 = 4.6 GHz to 5.7 GHz.

VCO LDO R2 control s etting

LO_DIV

11: DIV8.

10: DIV4.

01: DIV2.

00: DIV1.

External LO am plitude

11: 9.2 dBm /49 m A.

10: 7.5 dBm /40 m A.

01: 4.6 dBm /28 m A.

00: -0.8 dBm /15 m A.

[15:12] VCO_LDO_R4 (R/W)

[2:0] VCO_SEL (R/W)

[11:8] VCO_LDO_R2 (R/W)

[5:3] LO_DIV (R/W)

[7:6] LO_DRV_LVL (R/W)

Table 34. Bit Descriptions for VCO_CTRL1

Bits

Bit Name

Settings

Description

Reset

Access

[15:12]

VCO_LDO_R4

VCO LDO R4 control setting

0x0

[11:8]

VCO_LDO_R2

VCO LDO R2 control setting

0x0

[7:6]

LO_DRV_LVL

External LO amplitude

0x0

−0.8 dBm/15 mA

4.6 dBm/28 mA

7.5 dBm/40 mA

9.2 dBm/49 mA

[5:3]

LO_DIV

0x1

DIV1

DIV2

DIV4

DIV8

[2:0]

VCO_SEL

Select VCO core/external LO

0x2

000

VCO_0 = 4.6 GHz to 5.7 GHz

001

VCO_1 = 4.02 GHz to 4.6 GHz

010

VCO_2 = 3.5 GHz to 4.02 GHz

011

VCO_3 = 2.85 GHz to 3.5 GHz

100

None

101

None

110

External LO/VCO

111

None

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ADRF6612ACPZ-R7 数据表(PDF) 45 Page - Analog Devices

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