Typical Performance Data

Outline Drawing

Bi-Directional Electrical Specifications

Outline Dimensions (

)

inch

mm

Maximum Ratings

Pin Connections

Features

• cellular, PCS, PCN, UMTS

• ISM

• GPS

• four-port coupler

• wideband, 800-2500 MHz

• excellent VSWR, 1.15:1 typ., all ports

• good flatness, ±0.6 dB typ.

• excellent power handling capability, 50W (800-1000 MHz)

• hermetically sealed

• minimal variation with temperature

• low profile, 0.07" height

Applications

CASE STYLE: SM1L

PRICE: $5.95 ea. QTY (10-49)

Frequency

(MHz)

Insertion Loss

(dB)

In-Out

Coupling

(dB)

Return Loss

(dB)

In

CPL

Out

In-CPL

Out-Term

Directivity

(dB)

Out-CPL

In-Term

Term

800.00

0.51

11.74

11.94

33.32

37.31

31.70

31.27

36.30

28.13

900.00

0.55

11.01

11.20

35.71

39.79

30.99

29.85

37.54

25.34

1000.00

0.64

10.39

10.56

38.83

37.62

29.41

28.87

38.07

27.99

1100.00

0.72

9.85

10.07

39.71

34.05

27.94

27.76

38.46

32.68

1300.00

0.86

9.06

9.49

34.58

29.81

25.76

26.33

37.29

34.65

1500.00

0.93

8.63

8.86

30.88

25.68

24.58

25.59

36.88

31.32

1700.00

1.02

8.39

8.67

29.45

23.91

24.82

25.69

38.65

34.99

2000.00

1.04

8.47

8.73

30.20

22.76

27.40

26.41

36.15

37.39

2200.00

1.02

8.82

9.02

29.36

22.31

26.92

25.20

27.33

27.99

2500.00

0.98

9.86

9.92

21.31

20.10

20.89

20.70

21.30

21.10

AB

C

D

E

F

G

H

J

.250

.300

.070

.320

.050

.015

.050

.075

.030

6.35

7.62

1.78

8.12

1.27

.38

1.27

1.91

.76

K

L

M

N

P

Q

R

wt.

.095

.330

.100

.020

.015

.070

.014

grams

2.41

8.38

2.54

.51

.38

1.78

.36

.3

BDCA-10-25

INSERTION LOSS

0.40

0.60

0.80

1.00

1.20

750

1000

1250

1500

1750

2000

2250

2500

FREQUENCY (MHz)

at RF level of -10 dBm

BDCA-10-25

COUPLING & DIRECTIVITY

6

10

14

18

22

26

30

34

38

42

750

1000

1250

1500

1750

2000

2250

2500

FREQUENCY (MHz)

COUPLING

DIRECTIVITY

at RF level of -10 dBm

INPUT

1

OUTPUT

6

COUPLED (forward)

10

COUPLED (reverse)

5

GROUND

2,3,4,7,8,9

Operating Temperature

-55°C to 100°C

Storage Temperature

-55°C to 100°C

Demo Board MCL P/N: TB-115

Suggested PCB Layout (PL-004)

BDCA-10-25

RETURN LOSS

0

10

20

30

40

50

750

1000

1250

1500

1750

2000

2250

2500

FREQUENCY (MHz)

IN

OUT

CPL

TERM

at RF level of -10 dBm

f

FREQ.

RANGE

(MHz)

COUPLING

(dB)

DIRECTIVITY

(dB)

VSWR

(:1)

Nom.

Max.

Flatness

MAINLINE LOSS*

(dB)

POWER

INPUT**

(W)

Typ.

Typ. Min.

MODEL

NO.

Typ. Max.

BDCA-10-25

800-2500

10.1±2.0

±2.0

1.0

1.5

25

11

1.05

24

800-1000

11.0±0.8

±1.2

0.6

1.0

32

20

1.05

50

1700-2000

8.5±0.5

±0.6

1.1

1.5

23

16

1.05

34

1000-2500

9.4±1.2

±1.5

1.0

1.5

22

11

1.05

24

* Includes theoretical coupled power loss of 0.46 dB at 10 dB coupling.

** Derate linearly to 1/3 at 100°C

Max.

CPL

FORWARD

CPL

REVERSE

IN

OUT

Bi-Directional Coupler

Schematic

BDCA-10-25

High Power, 50

Ω

800 to 2500 MHz

Bi-Directional Coupler

Surface Mount

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REV. C

M88753

ED-8914/2

BDCA-10-25

LC/TD/CP

030905