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2.4/5GHz bALANCE PCB Antenna

APPLICATION SPECIFICATION

REVISION:

ECR/ECN INFORMATION:

TITLE:

2.4/5GHz BALANCE PCB ANTENNA

SHEET No.

EC No:

121094

1 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

2.4/5GHz BALANCE PCB ANTENNA

1.0 SCOPE

This specification describes the antenna application and surroundings for the 2.4/5GHz Balance

PCB Antenna. The information in this document is for reference and benchmark purposes only. The

user is responsible for validating antenna RF performance based on the user’s actual

implementation.

All measurements are done of the antenna in free space with VNA Agilent 5071C and OTA

chamber. All measurements are done with the part no. 1461870100 with a cable length of 100mm.

Antenna illustrations in this document are generic representations. They are not intended to be an

image of any antenna listed in the scope.

2.0 PRODUCT DESCRIPTION

A. DEFINITIONS OF TERMS

The overall antenna size is 40.95mm*9mm (Figure 1).

FIGURE 1. DIMENSION OF THE 2.4/5GHz BALANCE PCB ANTENNA

FIGURE 2. CABLE LINE VIEW OF WIFI 2.4/5GHz BALANCE PCB ANTENNA

Summary of content (11 pages)

PAGE 1
APPLICATION SPECIFICATION 2.4/5GHz BALANCE PCB ANTENNA 1.0 SCOPE This specification describes the antenna application and surroundings for the 2.4/5GHz Balance PCB Antenna. The information in this document is for reference and benchmark purposes only. The user is responsible for validating antenna RF performance based on the user’s actual implementation. All measurements are done of the antenna in free space with VNA Agilent 5071C and OTA chamber. All measurements are done with the part no.
PAGE 2
APPLICATION SPECIFICATION B. RF PERFORMANCE OF ANTENNA IN FREE SPACE FIGURE 2.1 ANTENNA IN FREE SPACE DESCRIPTION TEST CONDITION REQUIREMENT Frequency Range 2.4GHz~5.85GHz 2.4GHz~2.5GHz 5.15GHz~5.85GHz Return Loss < -10 dB Peak Gain (Max) Measure antenna in free space through OTA chamber 3.2 dBi 4.
PAGE 3
APPLICATION SPECIFICATION FIGURE 2.2 RETURN LOSS OF ANTENNA AT 2.4/5GHZ BAND IN FREE SPACE FIGURE 2.3 EFFICIENCY OF ANTENNA AT 2.4/5GHZ BAND IN FREE SPACE REVISION: E ECR/ECN INFORMATION: TITLE: EC No: 121094 SHEET No. 2.4/5GHz BALANCE PCB ANTENNA DATE: 2017/09/05 DOCUMENT NUMBER: 1461870100 3 of 11 CREATED / REVISED BY: CHECKED BY: APPROVED BY: Benson Liu 2017/09/05 Colin Xu 2017/09/05 Chris Zhong 2017/09/05 TEMPLATE FILENAME: APPLICATION_SPEC[SIZE_A](V.1).
PAGE 4
APPLICATION SPECIFICATION 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.
PAGE 5
APPLICATION SPECIFICATION FIGURE 4.1.1 RETURN LOSS OF ANTENNA AT 2.4/5GHZ BAND AT FOUR LOCATIONS WITH VERTICAL GROUND FIGURE 4.1.2 EFFICIATION OF ANTENNA AT 2.4/5GHZ BAND AT FOUR LOCATIONS WITH VERTICAL GROUND REVISION: E ECR/ECN INFORMATION: TITLE: EC No: 121094 SHEET No. 2.
PAGE 6
APPLICATION SPECIFICATION 4.2 ANTENNA RF PERFORMANCE AS A FUNCTION OF DIFFERENT LOCATION WITH PARALLEL GROUND Four ground locations with parallel ground have been evaluated, and these locations are show in figure 4.2. The PCB size is 90mm*90mm and we move the PCB to four locations for each test. Though the antenna cannot meet the return loss specification at 2.4GHz band at location 4 but it can fulfill the efficiency specification.
PAGE 7
APPLICATION SPECIFICATION FIGURE 4.2.1 RETURN LOSS OF ANTENNA AT 2.4/5GHZ BAND AT FOUR LOCATIONS WITH PARALLEL GROUND FIGURE 4.2.2 EFFICIENCY OF ANTENNA AT 2.4/5GHZ BAND AT FOUR LOCATIONS WITH PARALLEL GROUND REVISION: E ECR/ECN INFORMATION: TITLE: EC No: 121094 SHEET No. 2.
PAGE 8
APPLICATION SPECIFICATION 5.0 RADIATION PATTERN FIGURE 5.1 RADIATION PATTERN OF ANTENNA AT 2.45GHZ IN FREE SPACE FIGURE 5.2 RADIATION PATTERN OF ANTENNA AT 5.45GHZ IN FREE SPACE REVISION: E ECR/ECN INFORMATION: TITLE: EC No: 121094 SHEET No. 2.4/5GHz BALANCE PCB ANTENNA DATE: 2017/09/05 DOCUMENT NUMBER: 1461870100 8 of 11 CREATED / REVISED BY: CHECKED BY: APPROVED BY: Benson Liu 2017/09/05 Colin Xu 2017/09/05 Chris Zhong 2017/09/05 TEMPLATE FILENAME: APPLICATION_SPEC[SIZE_A](V.1).
PAGE 9
APPLICATION SPECIFICATION 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 2 GHz~6GHz 2GHz~3GHz 5GHz~6.0GHz 6.0.1.2 Attenuation 1m cable measured by VNA5071C ≤3.5dB/m ≤5dB/m 6.0.2 CABLE LENGTH AFFECT THE ANTENNA PERFORMANCE Balance antenna resonance is insensitive by cable’s length, but the cable’s loss will affect the total efficiency. Refer to 6.0.1 6.0.
PAGE 10
APPLICATION SPECIFICATION Frequency (MHz) 4900 4930 4960 4990 5020 5050 5080 5110 5140 5170 5200 5230 5260 5290 5320 5350 5380 5410 5440 5470 5500 5530 5560 5590 5620 5650 5680 5710 5740 5770 5800 5830 5860 5890 5920 5930  cable loss X-LOSS=Y 0.2*5dB/m 300mm cable Efficiency (dB) Efficiency (%) Y -2.10 61.60 -2.19 60.42 -2.30 58.94 -2.16 60.80 -2.04 62.57 -2.03 62.65 -2.07 62.06 -2.19 60.45 -2.02 62.87 -1.86 65.10 -1.92 64.32 -1.97 63.52 -2.04 62.56 -2.06 62.23 -2.01 62.95 -1.92 64.25 -1.87 65.00 -1.
PAGE 11
APPLICATION SPECIFICATION 7.0 ASSEMBLY GUIDELINES During the assembly of the antenna in a device, the cable needs to be positioned away from the antenna as shown in Figure 7.1. The cable has to be away from the pattern at least 5mm as shown in Figure 7.2. The PCB has to be away from the housing height at least 5mm as shown in Figure 7.3. If customer would like to paste this product on a plastic cover, we suggest using flex version of this standard antenna, whose part number is 1461570100.