RF2418PCBA-41X datasheet(8/12 Pages) RFMD

Part #	RF2418PCBA-41X

Description	LOW CURRENT LNA/MIXER

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Manufacturer	RFMD [RF Micro Devices]

Direct Link	http://www.rfmd.com

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RF2418

Rev A7 DS060203

7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical

support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.

Evaluation Board Schematic

RF=850MHz, IF=71MHz

1

2

3

4

5

6

7

14

13

12

11

10

9

8

LNA

MIXER

BUFFER

10pF

RF AMP

L3

10 nH

C3

47 pF

C1

0.1

μF

L1

1

μH

L2

18 nH

C2

1 nF

R3

610

Ω

R1

300

Ω

E2 E1

L4

10 nH

R4

5.11 k

Ω

C4

0.1

μF

C5

3 pF to 5 pF

see note

Notes:

For high impedance output

1) Populate L1 and TP1

2) Remove jumper E1 to E2

50

Ω μstrip

50

Ω μstrip

50

Ω μstrip

2418400C

Jumper

TP1

see note

VDD

50

Ω μstrip

P1

1

2

3

NC

GND

P1-3

VDD

J1

LNA IN

50

Ω μstrip

J2

IF OUT

P1-3

J3

LO IN

J4

RF IN

J5

LNA OUT

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