Datasheet

APPLICATION SPECIFICATION
REVISION:
ECR/ECN INFORMATION:
TITLE:
ISM 433MHz Flex Antenna
SHEET No.
A
EC No:
120458
11 of 13
DATE:
2017-08-10
DOCUMENT NUMBER:
CREATED / REVISED BY:
CHECKED BY:
APPROVED BY:
AS-2042870100
Benson Liu 2017/08/10
Chris Zhong 2017/08/10
Welson Tan 2017/08/10
TEMPLATE FILENAME: APPLICATION_SPEC[SIZE_A](V.1).DOC
5.0 RADIATION PATTERN
6.0 THE ANTENNA PERFORMANCE VARIATION WITH CABLE LENGTH
6.0.1 CABLE LOSS
ITEM
DESCRIPTION
TEST CONDITION
REQUIREMENT
6.0.1.
1
Frequency Range
400MHz~6GHz
433MHz
6.0.1.
2
Attenuation
1m cable measured by
VNA5071C
≤1.8dB/m
6.0.2 CABLE LENGTH AFFECT THE ANTENNA PERFORMANCE
Balance antenna resonance is insensitive by cable length, but the cable loss will affect the
total efficiency. Refer to 6.0.1
FIGURE 5.1 RADIATION PATTERN OF ANTENNA AT 433MHZ IN FREE SPACE