Typical Performance Data

Bi-Directional Coupler Electrical Specifications

Maximum Ratings

Coaxial Connections

INPUT

1

OUTPUT

4

COUPLED (forward)

2

COUPLED (reverse)

3

Operating Temperature

-55°C to 100°C

Storage Temperature

-55°C to 100°C

DC Current

2.0 A

Outline Drawing

Outline Dimensions (

)

inch

mm

ZABDC20-252H+

MAINLINE LOSS

0.0

0.1

0.2

0.3

0.4

0.5

700

1000

1300

1600

1900

2200

2500

FREQUENCY (MHz)

at RF level of -10 dBm

ZABDC20-252H+

COUPLING & DIRECTIVITY

0

10

20

30

40

50

700

1000

1300

1600

1900

2200

2500

FREQUENCY (MHz)

COUPLING IN-CPL FWD

DIRECTIVITY IN-CPL REV

at RF level of -10 dBm

ZABDC20-252H+

RETURN LOSS

10

20

30

40

50

60

700

1000

1300

1600

1900

2200

2500

FREQUENCY (MHz)

IN

OUT

CPL-FWD

CPL-REV

at RF level of -10 dBm

50Ω

Up to 100W

800 to 2500 MHz

Bi-Directional Coupler

REV. B

M151107

ED-11579/4

ZABDC20-252H+

WP/QL/AM

151007

DC Pass

A

B

C

D

E

FG

2.00

2.00

.88

.90

.156

1.688

.125

50.80

50.80

22.35

22.86

3.96

42.88

3.18

H

J

K

L

M

wt

.38

---

.50

1.00

1.25

grams

9.65

---

12.70

25.40

31.75

225

Features

• excellent mainline loss, 0.17 dB typ.

• excellent directivity, 28 dB typ.

• high power, up to 100W

• rugged shielded case

• DC current through input to output 2.0A Max.

at 50 watt RF input power

Applications

• PCS/DCS/UMTS

• power leveling & monitoring

• VSWR measurement

ZABDC20-252H+

CASE STYLE: DD477-1

Connectors Model

SMA

ZABDC20-252H-S+

N-TYPE

ZABDC20-252H-N+

Frequency

(MHz)

Mainline Loss

(dB)

Coupling

(dB)

Directivity

(dB)

Return Loss

(dB)

In-Out

In-Cpl Fwd

Out-Cpl Rev Out-Cpl Fwd

In-Cpl Rev

In

Out

Cpl Fwd

Cpl Rev

800.00

0.11

23.88

23.85

32.78

36.66

39.78

35.40

47.06

42.20

1000.00

0.12

22.32

22.28

30.17

32.23

39.27

35.77

38.27

37.38

1200.00

0.13

21.22

21.15

31.42

32.87

35.59

36.09

34.59

34.96

1400.00

0.15

20.43

20.38

35.46

36.13

32.74

34.79

33.78

35.02

1600.00

0.17

19.92

19.86

42.35

35.55

30.21

33.34

31.94

33.00

1800.00

0.19

19.63

19.58

32.79

29.28

29.43

33.84

33.22

32.26

2000.00

0.20

19.58

19.54

28.91

26.99

30.64

33.90

36.72

35.98

2200.00

0.21

19.77

19.73

28.11

26.09

31.14

35.70

41.69

36.37

2400.00

0.21

20.21

20.16

27.14

25.13

35.33

36.16

49.29

35.25

2500.00

0.21

20.53

20.48

27.45

24.97

37.60

37.56

38.44

34.58

1. Mainline loss includes theoretical power loss at coupled port.

FREQ.

(MHz)

COUPLING

(dB)

(dB)

DIRECTIVITY

(dB)

VSWR

(:1)

POWER

INPUT

(W)

f

Nom.

Flatness

Typ. Max.

Typ. Min.

Typ.

Max.

800-2500

0.20 0.35

28

20

1.05

50

800-1000

23±1.0

±0.9

0.15 0.25

30

23

1.05

100

1300-2500 19.7±0.7

±0.75

0.20 0.35

28

20

1.05

50

SMA version shown

Electrical Schematic

* Case temperature is defined as temperature on ground leads

.

Permanent damage may occur if any of these limits are exceeded.

+RoHS Compliant

The +Suffix identifies RoHS Compliance. See our web site

for RoHS Compliance methodologies and qualifications

Notes

A. Performance and quality attributes and conditions not expressly stated in this specification document are intended to be excluded and do not form a part of this specification document.

B. Electrical specifications and performance data contained in this specification document are based on Mini-Circuit’s applicable established test performance criteria and measurement instructions.

C. The parts covered by this specification document are subject to Mini-Circuits standard limited warranty and terms and conditions (collectively, “Standard Terms”); Purchasers of this part are entitled

to the rights and benefits contained therein. For a full statement of the Standard Terms and the exclusive rights and remedies thereunder, please visit Mini-Circuits’ website at www.minicircuits.com/MCLStore/terms.jsp

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