AMCA -Multilayer Chip Antennas

Abracon PTM
Introduction to AMCA Series
Ceramic Multilayer Chip Antennas
Crystals
Oscillators
Filters
Precision Timing
Inductors
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AMCA Series
Multilayer Chip Antennas
Purpose
To introduce AMCA Series, Multilayer Chip Antennas.
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Objective
Present the advantage, performance and applications
of Abracon AMCA Series.
Content
22 pages
Learning Time
25 minutes
Welcome to Abracon’s AMCA Series; Ceramic Multilayer Chip Antenna Training Module. This
training session will provide an overview of the key features and benefits; as well as, discuss the
applications of this product series.
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Product - AMCA Series
Ceramic Multilayer Chip Antennas
Abracon AMCA Series-Part Numbering
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AMCA
31
2R450G
S1F
T
Part
Series
Size
Center
Frequency
Series Code /
Hazardous Substance
Packaging
Code
Multilayer
Chip Ant
31, 52, 62
72, 81 & 92
2R450G
equals
2.450GHz
Series Code
S1, 01, 02 /
F = Hazard Free
Blank: Bulk / Cut Tape
T: T/R 1000pcs per reel
T3/T4: T/R 3K or 4K per reel
The AMCA Series offers a range of Multilayer Chip Antennas as described by their part number code
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Abracon AMCA Series Part Numbering & Descriptions
Part No
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Description /
Band
Center Frequency
Size
Bandwidth (MHz)
AMCA312R450G-S1F-T
Chip Antenna –
WLAN / WiFi /
Bluetooth
2450MHz
2405 ~ 2495MHz
3.1 x 1.6 x 1.2mm
AMCA312R800G-S1F-T
Chip Antenna
WLAN
2800MHz
2750~ 2850MHz
3.1 x 1.6 x 1.2mm
AMCA522R350G-S1F-T
Chip Antenna
WLAN
2350MHz
2275 ~ 2425MHz
5.2 x 2.1 x 1.1mm
AMCA522R510G-S1F-T
Chip Antenna
WLAN
2510MHz
2410 ~ 2610MHz
5.2 x 2.1 x 1.0mm
The ACMA Series covers a broad range of RF bands including IEEE 802.11b/g & IMT, and WiMax
bands. The term IMT ( International Mobile Telecommunications) is the root name which encompasses
both IMT-2000 and IMTAdvanced (4G) collectively.
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Abracon AMCA Series Part Numbering & Descriptions
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Center Frequency
Description /
Band
Bandwidth (MHz)
AMCA522R540G-S1F-T
Chip Antenna
WLAN
2540MHz
2440 ~ 2640MHz
5.2 x 2.1 x 1.0mm
AMCA522R710G-S1F-T
Chip Antenna
WLAN
2710MHz
2610~ 2810MHz
5.2 x 2.1 x 1.0mm
AMCA522R780G-S1F-T
Chip Antenna
WLAN
2780MHz
2680 ~ 2880MHz
5.2 x 2.1 x 1.0mm
AMCA622R640G-01F-T
Chip Antenna
WLAN
2640MHz
2540 ~ 2740MHz
6.0 x 2.0 x 1.0mm
Part No
Size
IMT 5.384A describes the bands, or portions of the bands, 1710 ~ 1885 MHz, 2 300 ~ 2400 MHz
and 2 500 ~ 2 690 MHz. These are identified for use by administrations wishing to implement
International Mobile Telecommunications (IMT) in accordance resolution 223 (Rev.WRC-07
The AMCA series covers the upper two IMT bands.
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Abracon AMCA Series Part Numbering & Descriptions
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Center Frequency
Description /
Band
Bandwidth (MHz)
AMCA722R470G-S1F-T
Chip Antenna
WLAN
2470MHz
2370 ~ 2570MHz
7.0 x 2.0 x 1.0mm
AMCA722R860G-02F-T
Chip Antenna
WLAN
2860MHz
2760~ 2960MHz
7.0 x 2.0 x 1.0mm
AMCA813R010G-S1F-T
Chip Antenna
WLAN
3010MHz
2910 ~ 3110MHz
8.0 x 1.0 x 1.0mm
AMCA922R660G-S1F-T
Chip Antenna
WLAN
2660MHz
2410 ~ 2610MHz
9.0 x 2.0 x 1.0mm
Part No
Size
The AMCA antennas also covers portions of the WiMax (IEEE-802.16.) bands, that operates globally
between 2-11 GHz (3.5 GHz in Europe) for Fixed WiMax and 2-6GHz for Mobile WiMax. They also
cover several TDD LTE bands. In both cases the AMCA antenna are applicable for the user equipments.
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USA Radio Frequency Allocation from
2GHz to 3GHz
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USA RF Allocation Spectrum:
The chart shows the relevant section of US Radio Frequency Allocation between 2GHz and 3GHz. It
can be seen that a wide range of Fixed and Mobile bands are available across this frequency bandwidth.
The AMCA Series covers many bands used by IMT User Equipment (UE) applications (fixed and
mobile).
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Example of Block Diagram WiFi / WLAN TCVR
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Block diagram shows application of Chip Antenna with a RFIC.
In this WiFi or ISM example; the 2.45GHz antenna provides the transmission and reception of signals.
In many handheld solution the choice of antenna will be a ceramic chip type. Abracon also provides
other BOM elements for example SAW, Balun, BPF, as well as Crystals or Resonators.
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Ceramic Multilayer Chip Antenna
Technology
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What are Chip Antennas?
Chip antennas come in various sizes and are often seen as small
ceramic blocks with minimal metal artwork and SM pads into which the
signal is launched.
Multilayer Ceramic Technology
The AMCA Series are made from LTCC (Low Temperature Co-fired
Ceramic). This technology is the same used in multilayer inductors and
capacitors, allowing the devices to be small but especially low profile.
The metallization is all within the devices, so only the pads and can be
seen at the ends of the package.
Chip Antennas are small ceramic blocks, either solid or multilayer; this type are the latter, and have
been manufactured using LTCC technology, so allowing exceptional low profiles. This allows for
compact very low profile devices.
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Ceramic Multilayer Chip Antenna
Technology
Size of Multilayer Chip Antennas
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• Antenna size is one of the determining factors to achieve Gain and Bandwidth
requirements that are important for radio system design.
• A reduction of size while maintaining efficiency leads to a reduction in
bandwidth; conversely maintaining efficiency and bandwidth leads to a lower
gain (1).
Part Number
AMCA31-2R450G-S1F-T
AMCA52-2R350G-S1F-T
AMCA62-2R640G-01F-T
AMCA72-2R470G-S1F-T
AMCA81-3R010G-S1F-T
AMCA92-2R660G-S1F-T
Code / Size (mm) Bandwidth (MHz)
(31)
3.2 x 1.6 x 1.2
(52)
5.2 x 2.1 x 1.0
(62)
6.0 x 2.0 x 1.0
(72)
7.0 x 2.0 x 1.0
(81)
8.0 x 1.0 x 1.0
(92)
9.0 x 2.0 x 1.0
Peak Gain (dBi)
90MHz
+0.5dBi
200MHz
+2.5dBi
200MHz
+2.6dBi
200MHz
+2.7dBi
200MHz
+2.0dBi (2)
200MHz
+3.0dBi
(Note (1): Subject to similar frequency bands and the same dielectric constant)
(Note (2): Lower gain here is subject to higher operating frequency 3.010GHz)
The size of the Chip Antennas is determined by the dielectric constant (Er) of the Ceramic. Designers
need to consider trade-offs of board space, gain and bandwidth requirements when picking an antenna.
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Key Features of Multilayer Chip Antennas
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o
Multilayer Chip Antennas offer…
o
Use of multilayer technology offers compact design.
o
Available across a range of bands, makes these ideal for multi-band
applications like Mobile Phone / Tablets / WLAN / WiMax / LTE
o
Multilayer technology provides exception low profile, light weight,
range of form factor suitable for compact applications.
o
The range of form factors gives designers scope to exploit excellent
gain and directivity performance relative to their size.
o
Ease of matching during application development.
o
Better SAR response than PCB traces .
o
Improved isolation allowing multiple antenna applications.
o
Omni-directional radiation highly suitable for mobile
communications.
Multilayer Chip Antennas offer a range of advantages to designers who have restricted space or cannot
afford an external antenna. Key features include low profile compact designs, and choice of form
factors giving designers flexibility to trade size, efficiency, & gain to meet system requirements while
minimizing antenna profile.
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Antenna Radiation Patterns
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3D Radiation Pattern shows Omni-directional Pattern
The diagram shows the omni-directional 3D radiation patter of a typical Chip Antenna. This provides
360 degree coverage, and is suited to handheld devices.
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Typical Antenna PCB Matching
Chip antennas should be matched within the environment of the final product.
Normally this process can be done with inductors and / or capacitors.
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Note: It is recommended to pre-place the π-type circuit layout that offers full
flexibility to match the antenna to 50 Ohms, in the final product layout.
Depending on matching, NC may apply to certain components in the matching
configurations above.
The diagram shows a typical pcb layout for a chip antenna, with matching components. Typically the
antenna will need a no-ground region / keep out area. Matching should be done in final production
environment. π-type circuit layout should be adopted for flexibility.
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Comparison between Dielectric & LTCC
Multilayer Chip Antennas
• ABRACON offers both Dielectric and LTCC Multilayer Chip
antennas from the ACA and AMCA series respectively.
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Dielectric Chip Antennas: ACA series
• Made from a solid ceramic block onto which silver is printed or sprayed to
make an antenna pattern. This might take the form of a meandering line of
silver metallization to create a helical type antenna, (see below).
•
Process scalable based on block size, suitable for low to high volumes.
•
More costly, approximately 50%
•
Higher gain for same size block
LTCC Chip Antennas: AMCA series
• These are made from several layers of dielectric sheets, that are pressed then
fired. The multilayer technique allows metallization on each layer that are
joined internally with via holes. So in this process the helical pattern would be
contained internally across the layers.
•
Lower cost
•
Lower gain for same size compared to dielectric types.
•
Wide range of size formats, all very low profile.
•
Process suited to very high volumes
Abracon offers both Dielectric and LTCC multilayer chip antennas. The dielectric types have higher gains
& costs compared to LTCC types, that offer wider range of sizes, very low profiles and lower costs.
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What RF Applications need Chip Antenna
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Mobile
Phones
Tablets
Mobile
Gaming
Bluetooth
WLAN
WLAN
802.11b/g
802.11a/b
/g/j/n
Zigbee
Dual
802.15
Band
IMTGPS
and WiMax
Bands
TDD LTE Bands
And Other Apps
2.45GHz / 2.47GHz
AMCA31-2R450G-S1F-T
AMCA72-2R470G-S1F-T
All REMAINING
PARTS
Chip Antennas are useful for mobile wireless systems where a compact solution is required
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Applications for Chip Antennas
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o
Chip Antennas are used extensively by the mobile phone manufacturers, but
these tier 1 customers are not our targets
o
Bluetooth Applications:
o
Bluetooth exists in many products, such as telephones, tablets, media
players, and gaming like Lego Mindstorms NXT, Playstation 3, PS Vita,
Nintentdo Wii, and HD Headsets, Modems and watches:
o
Bluetooth Headsets / Intercoms
o
Bluetooth Audio Headsets
o
Keyboards / Mouse
o
Games Consoles / Controllers
o
Wireless bridge between two Industrial Ethernet (e.g. PROFINET)
networks.
o
Short range transmission of health sensor data from medical devices to
mobile phone, or dedicated “Telehealth” devices.
o
Personal security applications – tags
The Bluetooth technology offers a wide selection of applications involved with Bluetooth enabled
devices.
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Applications for Chip Antennas
o
WiFi Applications: The “Internet of Things”
o
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o
o
o
o
o
o
o
o
The number of Internet-connected devices is the world in 2011
was estimated at 20 billion by 2020 this is expected to rise to 50
billion devices.
Networking
Consumer Electronics
Computing and Peripherals
Headsets
Automotive and Transport
Health & Fitness
Smart Energy
Industrial Communications
The “Internet of Things” offers an increasing wide application of connected or controlled WiFi
solutions. A wide selection of WiFi certified product exist, and offer opportunities for Chip Antennas.
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Applications for Chip Antennas
IMT Standardization:
IMT-2000 / IMT Advanced:
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IMT Standards Drives Technology
and Telecom Operators to invest in
infrastructure
IMT Applications:
o
Mobile Health
- Easy to carry devices
- Better coverage
- Backhaul capability for body sensor devices
o
Smart Energy
- Smart Appliances
- Programmable wireless connected thermostats
- Adoption of smart energy devices in medium to dense residential areas
o
Smart City
- Telematics
- Environmental control
- Public safety (webcam monitoring)
o
Architecture of Internet of Things
- Ubiquitous wireless Connected World
IMT Standards drive Ubiquitous wireless Connected World and generation of new applications
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Applications for Chip Antennas
WiMax - 802.16 - Worldwide Interoperability for Microwave Access
WiMax is short for Worldwide Interoperability for Microwave Access. It is a
metropolitan wireless standard ratified by the IEEE (Institute of Electrical and
Electronics Engineers) under the name IEEE-802.16.
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Standard
Frequency
Speed
Fixed WiMax
(802.16-2004)
2-11 GHz
75Mbps
Mobile WiMax
(802.16e)
(3.5 GHz in Europe)
2-6 GHz
30Mbps
The AMCA antenna can be used in WiMax User Equipment (UE) devices, like
dongles, laptops, mobile wireless.
WiMax standard is a metropolitan wireless standard. The AMCA chip antennas cover global bands for
WiMax user equipments. They can be used in dongles, mobiles and wireless devices to connect to the
internet.
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Applications for Chip Antennas
E-UTRA and LTE-Advanced
The range of AMCA antenna cover certain E-UTRA TDD bands (LTE),
between 2.3GHz to 3.6GHz
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LTE
Band
Frequency
(MHZ)
Duplex
Common
Name
Antenna PN
Antenna
B/W
(MHz)
38
2570 - 2620
TDD
IMT-E /
2600
AMCA922R660G-S1F-T
1660 - 3660
40
2300 - 2400
TDD
2300
AMCA522R350G-S1F-T
2275 - 2425
TDD
3500
AMCA813R010G-S1F-T
2010 - 4010
42
3400 - 3600
The AMCA antenna can be used in WiMax User Equipment (UE) devices, like
dongles, laptops, mobile wireless.
The AMCA chip antennas cover several of the E-UTRA and LTE-Advanced bands, and can be used in user
equipments like dongles, or other LTE equipments covering these bands.
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Cross Reference Guide
ABRACON
MURATA
YAGEO (PHYCOMP)
AMCA31-2R450G-S1F-T ANCV12G44SAA127 CAN4311712002451K
TAIYO YUDEN
JOHANSON
TECHNOLOGY
Inc
AH316M245001-T
2450AT42A100
ANTENOVA
AMCA31-2R800G-S1F-T LDA212G8610K-285
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AH104F2350S1-T
AMCA52-2R350G-S1F-T
AMCA52-2R510G-S1F-T
2500AT43A0100
AMCA52-2R540G-S1F-T
AMCA52-2R710G-S1F-T
AH104F2550S1-T
2500AT43A0100
AMCA52-2R780G-S1F-T
AMCA62-2R640G-01F-T LDA212G4410K-283
AH104F2650S1-T
2600AT44A0600E
AMCA72-2R470G-S1F-T
AMCA72-2R860G-02F-T LDA212G8610K-285
AMCA81-3R010G-S1F-T LDA313G0313F-240
AMCA92-2R660G-S1F-T
2650AT43A0100E
The table summarizes the best matches offered by the ACA series to other antenna company products.
Products are alternatives and may not be a drop-in solution, so please refer to the specifications.
A10192-L
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Antenna Performances
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P/N
Size
VSWR
Max
Gain –
Peak / Avg
Qty/Reel
L/T
AMCA31-2R450G-S1F-T
3.2x1.6x1.2mm
<2.0 max
0.5 / -1.0dBi
1k & 3K
8Wks
AMCA31-2R800G-S1F-T
3.2x1.6x1.2mm
<2.0 max
0.5 / -1.0dBi
1k & 3K
8Wks
AMCA52-2R350G-S1F-T
5.2x2.1x1.1mm
<2.0 max
2.5 / 0.5dBi
1K & 4K
8Wks
AMCA52-2R510G-S1F-T
5.2x2.1x1.0mm
<2.0 max
2.5 / 0.5dBi
1K & 4K
8Wks
AMCA52-2R540G-S1F-T
5.2x2.1x1.0mm
<2.0 max
2.5 / 0.5dBi
1K & 4K
8Wks
AMCA52-2R710G-S1F-T
5.2x2.1x1.0mm
<2.0 max
2.5 / 0.5dBi
1K & 4K
8Wks
AMCA52-2R780G-S1F-T
5.2x2.1x1.0mm
<2.0 max
2.5 / 0.5dBi
1K & 4K
8Wks
AMCA62-2R640G-01F-T
6.0x2.0x1.0mm
<2.0 max
2.6 / 0.7dBi
1K & 4K
8Wks
AMCA72-2R470G-S1F-T
7.0x2.0x1.0mm
<2.0 max
2.7 / 1.0dBi
1K & 4K
8Wks
AMCA72-2R860G-02F-T
7.0x2.0x1.0mm
<2.0 max
2.7 / 1.0dBi
1K & 4K
8Wks
AMCA81-3R010G-S1F-T
8.0x1.0x1.0mm
<2.0 max
2.0 / 0.5dBi
1K & 4K
8Wks
AMCA92-2R660G-S1F-T
9.0x2.0x1.0mm
<2.0 max
3.0 / 1.0dBi
1K & 4K
8Wks
The table summarizes the suggested the technology advantages of size, efficiency and gain offered by the
AMCA Series.
Thank You for your Kind Attention
------Abracon Multilayer
Chip Antennas
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