AD6122 查看數據表（PDF） - Analog Devices

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AD6122

CDMA 3 V Transmitter IF Subsystem with Integrated Voltage Regulator

Analog Devices 

Test Figures

MUST BE EQUAL

LENGTHS

I DATA

50⍀

MUST BE EQUAL

LENGTHS

Q DATA

50⍀

0.1␮F

+15V

8

1 X1 VP

2 X2 V–1

OUT

7

MODCMREF 3 Y1

A=1

4 Y2 V–1 AD830

VN

5

–15V

0.1␮F

0.1␮F

+15V

8

1 X1 VP

2 X2 V–1

OUT

7

MODCMREF 3 Y1

A=1

4 Y2 V–1 AD830

VN

5

–15V

0.1␮F

0.1␮F

+15V

8

1 X1 VP

2 X2 V–1

OUT

7

MODCMREF 3 Y1

A=1

4 Y2 V–1 AD830

VN

5

–15V

0.1␮F

0.1␮F

+15V

8

1 X1 VP

2 X2 V–1

OUT

7

MODCMREF 3 Y1

A=1

4 Y2 V–1 AD830

VN

5

–15V

0.1␮F

50⍀

50⍀

50⍀

50⍀

IIPP

AD6122

IIPN

QIPP

MODOPP

MODOPN

QIPN

LOIPP

LOIPN

VREG OUT

10nF

10nF

0.1␮F

450⍀

205⍀

450⍀

0.1␮F

VREG OUT

MODCMREF

LO INPUT

AD6122

MOD_OUT

Figure 1. Quadrature Modulator’s Characterization Input and Output Impedance Matches

REV. B

–5–

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