RF2485PCBA View Datasheet(PDF) - RF Micro Devices

Part Name

Description

MFG CO.

RF2485PCBA

VHF QUADRATURE MODULATOR

RF Micro Devices 

1 2 3 4 5 6 7 8

RF2485

Preliminary

Evaluation Board Schematic

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

P1-1

P1-1

P1

1 VDD

2 GND

P1-3 3 VREF

CON3

C2

100 nF

C1

33 pF

1

POWER

2 CONTROL

C3

100 pF

50 Ω µstrip

14

13

J4

RF OUT

5

J1

50 Ω µstrip

3

12

I SIG

4

11

P1-3

5

C5

33 pF

6

J2

50 Ω µstrip

7

Q SIG

10

Σ

+45°

-45°

9

C4

8

100 pF

50 Ω µstrip

J3

LO IN

R1

2485400, Rev. -

56 Ω

5-60

Rev A3 010820

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