RF2498PCBA-41X View Datasheet(PDF) - RF Micro Devices

Part Name

Description

MFG CO.

RF2498PCBA-41X

No description available.

RF Micro Devices 

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RF2498

Evaluation Board Schematic

J1

GPS IF

J2

CDMA IF

J3

FM IF

VCC

J4

LO IN

J5

LO OUT

DIV EN

TX BUF EN

J6

PCS MIX IN

L13

33 nH

C40

33 nF

C42

C41

33 nF DNI

5 OUT

FL6

IN 2

GPS

RF Saw

50 Ω μstrip

J14

GPS MIX IN

50 Ω μstrip

50 Ω μstrip

C2

33 nF

C12

DNI

C10

DNI

L2

C11 FL2

DNI DNI 10 4

95

CDMA

IF SAW

50 Ω μstrip

C3

33 nF

C15

DNI

C13

DNI

L3

DNI

C14

DNI

FL3

10 4

95

IF SAW

50 Ω μstrip

50 Ω μstrip

50 Ω μstrip

*IF FREQ = 184 MHz

C4

6.8 pF

L26

DNI

L14

C30

DNI

DNI

P1-1

C21 VCC

100 pF

C6

5.1 pF

C17

DNI

VCC

L4

180 nH

L10

R1

C34

120 nH 5.6 kΩ

DNI

L6

180 nH

C22

100 pF

C31

DNI

L7

L11

R2

C35

DNI 120 nH 10 kΩ

DNI

C5

6.2 pF

C18

L8

L12

R3

C36

DNI

150 nH 120 nH 24 kΩ

DNI

VCC

C23

L9

100 pF

DNI

C44

33 nF

C45

33 nF

P2-1

C27

6.8 pF

C39

6.8 pF

R5

7.5 kΩ

R4

20 kΩ

R6

5.1 kΩ

32

31

30

1

C28

2

6.8 pF

3

C37

6.8 pF

4

5

C29

6.8 pF

6

C38

6.8 pF

7

8

9

10

11

L17

2.2 nH

R7

DNI

BAND SEL IF SEL

C43

33 nF

VCC

29

28

27

26

25

24

23

22

C48

DNI

L19

6.8 nH

C50

33 nF

L20

18 nH

R8

10 Ω

C24

100 pF

VCC

L5

33 nF

C32

2.7 nH

L23

C19

DNI

1.0 pF

C62

33 nF

R11

1.2 nH

IP SET

L25

33 nH

C70

0.75 pF

21

C64

33 nF

20

19

L24

1.2 nH

L16

33 nH

18

L22

4.7 nH

L27

2.7 nH

17

12

13

14

15

16

ENABLE

MIX

GAIN

2498310, Rev. 1

L21

10 nH

C25

100 pF

VCC

LNA GAIN

C69

2.4 pF

C1

DNI

C54

33 nF

R12

200 Ω

C33

33 nF

C8

33 nF

C61

33 nF

L15

1.2 pF

R10

0Ω

C9

33 nF

L18

3.3 nH

VCC

C59

DNI

C7

33 nF

C16

1 pF

C56

DNI

FL4

6 GND

3 GND

GND 4

GND 1

Cell RF Saw

C58

DNI

FL5

5 OUT

IN 2

PCS

RF SAW

C66

DNI

50 Ω μstrip

50 Ω μstrip

50 Ω μstrip

VCC

R9

10 Ω

C26

100 pF

C63

33 nF

50 Ω μstrip

50 Ω μstrip

50 Ω μstrip

50 Ω μstrip

J13

GPS LNA OUT

J12

GPS LNA IN

J11

PCS LNA IN

J10

PCS LNA OUT

J9

CELL LNA IN

J8

CELL LNA OUT

J7

CELL MIX IN

P1-2

P1-3

P1-4

C51

33 nF

C52

33 nF

P1

1 DIV EN

2 IF SEL

3 IP SET

4 BAND SEL

CON4

C49

33 nF

P2-2

P2-3

P2-4

C46

33 nF

C53

33 nF

P2

1 ENABLE

2 TX BUF EN

3 MIX GAIN

4 LNA GAIN

CON4

C55

33 nF

P3-1

C20

1 μF

P3

1 VCC

2 GND

3 GND

CON3

Rev A3 DS030711

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

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

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