431311100245 datasheet(6/12 Pages) ETC2

Part #	431311100245

Description	2.45 GHz ISM-band antenna for Bluetooth and WLAN IEEE 802.11b

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Manufacturer	ETC2 [List of Unclassifed Manufacturers]

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2001 Sep 27 Rev.1

6

www.phycomp-components.com

Phycomp

Product specification

Surface-mount ceramic

multilayer antennas

2.45 GHz ISM-band antenna for

Bluetooth and WLAN IEEE 802.11b

APPLICATION EXAMPLE

HBK018

180

°

−90°

90

°

0

°

−40 −30

−20

−10

0 dBi

HBK019

180

°

−90°

90

°

0

°

−40 −30

−20

−10

0

dBi

Fig.5 Typical radiation patterns.

E-plane

H-plane

(omni-directional)

HBK014

8

82

GROUND PLANE (on back side)

BLUETOOTH OR OTHER

RF MODULE

CLEARANCE

(no ground plane)

CLEARANCE

(no ground plane)

ANTENNA

CHIP

Ground

Feedpoint

50

Ω transmisson line

(can be a straight connection)

Dimensions in mm

Fig.6 Suggested layout.

Note:

The ground termination can be

optionally connected to RF ground.

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431311100245 Datasheet(PDF) 6 Page - List of Unclassifed Manufacturers

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