Low Cost SMT 17 dB Bi-directional Coupler

CH20-0033-17G

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

5

0

-5

-10

-15

-20

-25

1700

1750

1800

1850

1900

1950

2000

FREQUENCY (MHz)

DIRECTIVITY VS. FREQUENCY

-10

-12

-14

-16

-18

-20

1700

1750

1800

1850

1900

1950

2000

FREQUENCY (MHz)

COUPLING VS. FREQUENCY

Functional Diagram

GND

COUPLED

GND

-17dB

1

4

5

8

GND

GND

RF IN

RF OUT

ISOLATED

0

-0.2

-0.4

-0.6

-0.8

-1

1700

1750

1800

1850

1900

1950

2000

FREQUENCY (MHz)

INSERTION LOSS VS. FREQUENCY

2

1.8

1.6

1.4

1.2

1

1700

1750

1800

1850

1900

1950

2000

FREQUENCY (MHz)

VSWR VS. FREQUENCY

Recommended PCB Configuration

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, .016 Thick

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

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.