Low Cost SMT 17 dB Bi-Directional Coupler

CH20-0032-17G

M/A-COM, Inc.

North America:

Tel. (800) 366-2266

s

Asia/Pacific: Tel. +81 (03) 3226-1671

s

Europe: Tel. +44 (1344) 869 595

Fax (800) 618-8883

Fax +81 (03) 3226-1451

Fax +44 (1344) 300 020

2

V2.00

Functional Diagram

GND

COUPLED

GND

-17dB

1

4

5

8

GND

GND

RF IN

RF OUT

ISOLATED

0

-2

-4

-6

-8

-10

-12

-14

-16

-18

FREQUENCY (MHz)

810

840

870

900

930

960

FREQUENCY (MHz)

FREQUENCY (MHz)

820 840

860

880

900

920

940

960

820

840

860

880

900

920

940

960

820

840

860

880

900

920

940

960

FREQUENCY (MHz)

1.4

1.36

1.32

1.28

1.24

1.2

-0.3

-0.31

-0.32

-0.33

-0.34

-0.35

-0.36

DIRECTIVITY VS. FREQUENCY

VSWR VS. FREQUENCY

INSERTION LOSS VS. FREQUENCY

-15.8

-16

-16.2

-16.4

-16.6

-16.8

-17

-17.2

COUPLING VS. FREQUENCY

Recommended PCB Configuration

Note: Pins 2, 3, 6, and 7 must be RF and DC grounded.

RF OUT

RF IN

COUPLED

ISOLATED

.018 DIA. PLATED

THRU (12X)

.050 DIA. PLATED

THRU (2X)

.081

TYP.

.030

TYP.

.035 TYP.

.244

.072

TYP.

.244

(Dimensions in Inches)

Circuit Material: FR-4, 0.16 Thick

Parameter

Absolute Maximum

Input Power

2W CW

Operating Temperature

-40°C to +85°C

Storage Temperature

-65°C to +150°C

1. Exceeding these limits may cause permanent damage.

The Preliminary Specifications Data Sheet Contains Typical Electrical Specifications Which May Change Prior to Final Introduction.