RF2484 Ver la hoja de datos (PDF) - RF Micro Devices

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RF2484

DIRECT QUADRATURE MODULATOR

RF Micro Devices 

RF2484

Preliminary

Evaluation Board Schematic

(Download Bill of Materials from www.rfmd.com.)

NOTES:

1. R1 is installed for non-independent control of I and Q

reference voltages.

R1a gives independent control of reference voltages.

2. Components with * following the reference designator

should not be populated on the evaluation board.

P1

P2

P1-1 1 VCC P2-1 1 VREF/QREF

2 GND

2 GND

3 GND P2-3 3 IREF

R1a*

CON3

CON3

0Ω

IREF

J3

ISIG

R1

C5

C6

0Ω

3 pF

100 nF

J4

QSIG

5

VREF/QREF

C7

C8

U1

3 pF

100 nF

1 16 15 14 13

J2

LO

VCC

2

12

Σ

3

11

4

-45°

+45°

10

56789

C3

3 pF

C4

100 nF

2484400-

C1

3 pF

C2

100 nF

VCC

J1

RFOUT

5-36

Rev A2 010829

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