Datasheet

APPLICATION SPECIFICATION
REVISION:
ECR/ECN INFORMATION:
TITLE:
2.4/5GHz BALANCE PCB ANTENNA
SHEET No.
E
EC No:
121094
4 of 11
DATE:
2017/09/05
DOCUMENT NUMBER:
CREATED / REVISED BY:
CHECKED BY:
APPROVED BY:
1461870100
Benson Liu 2017/09/05
Colin Xu 2017/09/05
Chris Zhong 2017/09/05
TEMPLATE FILENAME: APPLICATION_SPEC[SIZE_A](V.1).DOC
3.0 REFERENCE DOCUMENTS
 Sales Drawing :SD-1461870100
 Product Specification: PS-1461870100
 Packaging Information – Refer to the Molex related packaging drawings.
4.0 RF PERFORMANCE AS A FUNCTION OF IMPLEMENTATION
4.0.1 ANTENNA RF PERFORMANCE AS A FUNCTION OF DIFFERENT LOCATION WITH
VERTICAL GROUND
Four ground locations with vertical ground have been evaluated, with different distances from the
antenna and these locations are shown in figure 4.1. The PCB size is 90mm*90mm and we move
the PCB to four locations for each test. The antennas meet the spec of the return loss and the total
efficiency specification at location 4. The minimum ground distance from antenna is recommended
to be 20mm to meet the antenna specification.
FIGURE 4.1 FOUR LOCATIONS WITH VERTICAL GROUND
Ground Area: 90mm*90mm
(a)Location 1: Distance between antenna and ground is about 5mm.
(b)Location 2: Distance between antenna and ground is about 10mm
(c)Location 3: Distance between antenna and ground is about 15mm.
(d)Location 4: Distance between antenna and ground is about 20mm.