Fractus Antennas NN03-320 Bedienungsanleitung

USER MANUAL

DUO mXTENDTM (NN03-320)

Last updated on July 2019

DUO mXTENDTM: The tiny antenna for simultaneous GNSS and

Bluetooth operation with no clearance beyond the antenna footprint

-Antenna component: DUO mXTENDTM NN03-320

-Dimensions: 7.0 mm x 3.0 mm x 2.0 mm

-Frequency regions: 1561 MHz, 1575 MHz, and 1598 MHz to 1606 MHz, and 2400

MHz to 2500 MHz

Small and with no clearance beyond the footprint, the ideal antenna

features for your next IoT wireless device.

The new miniature, modular, multipurpose antenna booster by FRACTUS ANTENNAS, DUO

mXTENDTM (NN03-320), delivers GNSS and Bluetooth connectivity worldwide

simultaneously, thanks to its multiport nature.

The new DUO mXTENDTM tiny antenna booster can get an optimum performance, while no

ground clearance beyond the antenna footprint is needed, making this component the ideal

solution for small IoT wireless devices.

Doesn’t matter the size or form factor of the wireless device, DUO mXTENDTM fits in about all of

them because is tiny, only 7.0 x 3.0 x 2.0 mm giving the designer more flexibility for allocating

the other electronic components. Since the device does not need any clearance on the PCB

ground beyond its antenna footprint, you can use the proximity area in the component to

arrange other element in the PCB.

USER MANUAL

DUO mXTENDTM (NN03-320)

Last updated on July 2019

INDEX OF CHAPTERS

1. PRODUCT DESCRIPTION NN03-320................................................................................4

2. EVALUATION BOARD (GPS/GLONASS/BeiDou and Bluetooth).......................................5

3. CAPABILITIES AND MEASUREMENT SYSTEMS...........................................................10

4. MECHANICAL CHARACTERISTICS NN03-320...............................................................11

5. ASSEMBLY PROCESS....................................................................................................13

6. PACKAGING....................................................................................................................15

USER MANUAL

DUO mXTENDTM (NN03-320)

Last updated on July 2019

TABLE OF CONTENTS

1. PRODUCT DESCRIPTION NN03-320................................................................................4

2. EVALUATION BOARD (GPS/GLONASS/BeiDou and Bluetooth).......................................5

2.1. QUICK REFERENCE GUIDE .....................................................................................5

2.2. EVALUATION BOARD................................................................................................5

3. CAPABILITIES AND MEASUREMENT SYSTEMS...........................................................10

4. MECHANICAL CHARACTERISTICS NN03-320...............................................................11

4.1. DIMENSIONS, TOLERANCES, AND RoHS .............................................................11

4.2. COLOR RANGE FOR THE INK................................................................................11

4.3. RECOMMENDED FOOTPRINT FOR THE NN03-320..............................................12

5. ASSEMBLY PROCESS....................................................................................................13

6. PACKAGING....................................................................................................................15

USER MANUAL

DUO mXTENDTM (NN03-320)

Last updated on July 2019

1. PRODUCT DESCRIPTION NN03-320

The DUO mXTENDTM antenna booster has been specifically designed for providing worldwide

Global Navigation Satellite Systems (GNSS) and Bluetooth (BT) performance in wireless

devices with small space requirements. It is a miniature antenna capable of being adapted, with

a high level of flexibility, to the antenna designer needs. The DUO mXTENDTM antenna booster

does not require further clearance area beyond its reduced footprint, making it an ideal

alternative to larger custom antennas for small and portable tracking devices.

TOP

BOTTOM

Material: The DUO mXTENDTM antenna booster is built on glass epoxy substrate.

APPLICATIONS

BENEFITS

•Modules

•Smart tracking devices

•Sport navigators

•Handsets and smartphones

•Tablets

•Digital cameras

•Smartwatches and wearables

•High efficiency

•Small size

•Cost-effective

•Easy-to-use (pick and place)

•Off-the-Shelf standard product (no

customization is required)

•No clearance beyond footprint.

The DUO mXTENDTM antenna booster belongs to a new generation of antenna solutions based

on Virtual AntennaTM technology owned by FRACTUS ANTENNAS. This technology enables

replacing conventional and custom antenna solutions by a new class of so-called antenna

boosters, delivered in the form of a new range of miniature and off-the-shelf chip antenna

components. These new chip antennas are by nature multiband and multipurpose, so they fit in

a variety of wireless platforms to provide a wireless link at many different communication

services. By using a Virtual AntennaTM component the design becomes more predictable

compared to a custom solution, making the whole process faster, cheaper and easier.

2.0 mm

7.0 mm

3.0 mm

Feeding Port

(Bluetooth)

Feeding Port

(GPS/GLONASS/BeiDou)

USER MANUAL

DUO mXTENDTM (NN03-320)

Last updated on July 2019

2. EVALUATION BOARD (GPS & GALILEO/GLONASS/BeiDou and

Bluetooth)

2.1. QUICK REFERENCE GUIDE

Technical

features

BeiDou

GPS & GALILEO

GLONASS

Bluetooth

1561MHz

1575MHz

1598 –1606MHz

2400 –2500MHz

Average Efficiency

> 40%

> 45%

> 50%

Peak Gain

-1.1 dBi

-1.0 dBi

-0.9 dBi

VSWR

< 3:1

Radiation Pattern

Omnidirectional

Polarization

Linear

Weight (approx.)

0.11 g.

Temperature

-40 to +125 ºC

Impedance

50 

Dimensions

(L x W x H)

7.0 mm x 3.0 mm x 2.0 mm

Table 1 –Technical Features. Measures from the Evaluation Board. See Figure 1.

2.2. EVALUATION BOARD

This Evaluation Board (part number: EB_NN03-320-m-GNSS-BT) integrates one DUO

mXTENDTM antenna booster to provide operation in four frequency regions, 1561MHz (BeiDou

E1 band), 1575 MHz (GPS L1 band and GALILEO E1), from 1598 MHz to 1606 MHz

(GLONASS L1 band) and from 2400 MHz to 2500MHz (Bluetooth). A couple of UFL cables

connect this dual input/output port solution to the SMA connectors for testing purposes.

Measure

Tolerance: ±0.2 mm

Material: The Evaluation Boards

are built on FR4 substrate.

Thickness is 1 mm.

Figure 1 –EB_NN03-320-m-GNSS-BT Evaluation Board providing operation at BeiDou E1 band (1561

MHz), GPS L1 band and GALILEO E1 band (1575 MHz), GLONASS L1 band (from 1598 MHz to 1606

MHz) and Bluetooth (from 2400MHz to 2480MHz). Notice that the clearance area is equal to the DUO

mXTENDTM footprint.

This product and its use are protected by at least one or more of the following patents and

patent applications PAT. US 62/529032; and other domestic and international patents pending.

Additional information about patents related to this product is available at

www.fractusantennas.com/virtual-antenna/.

#port

GNSS

#port

USER MANUAL

DUO mXTENDTM (NN03-320)

Last updated on July 2019

2.2.1. MATCHING NETWORK

DUO mXTENDTM needs two matching networks to connect to your device, a first for the

Bluetooth port, a second for the GNSS one (Figure 2). This section describes in (Figure 3) a

suitable matching network for DUO mXTENDTM and the resulting product specs when measured

in the reference evaluation board (EB_NN03-320-m-GNSS-BT) described in the previous

section. Please note that different tracking devices with different form factors, RF ground planes

and nearby components may need a different matching network. If you need assistance to

design your matching network beyond this application note, please contact

support@fractusantennas.com, or try our free-of-charge NN Wireless Fast-Track design

service, you will get your chip antenna design including a custom matching network for your

device in 24h

. Other related to NN’s range of R&D services is available at:

https://www.fractusantennas.com/rdservices/

Figure 2 –Matching network distribution in the Evalution Board (Figure 1).

1561 MHz –1606 MHz and 2400 MHz –2500 MHz

MN GNSS

Value

Part Number

2.4 nH

LQW15AN2N4C00

2.0 pF

GJM1555C1H2R0WB01

0.7 pF

GJM1555C1HR70WB01

2.8 pF

GJM1555C1H2R8WB01

MN BT

Value

Part Number

0 Ω

4.7 nH

LQW15AN4N7G80

4.7 nH

LQW15AN4N7G80

0 Ω

Figure 3 –Matching network implemented in the Evaluation Board 1 port (Figure 1).

See terms and conditions for a free NN Wireless Fast-Track service at: https://www.fractusantennas.com/fast-track-

project/

2.4nH

2.0pF

0.7pF

2.8pF

DUO

mXTENDTM

DUO

mXTENDTM

0Ω0Ω4.7nH

4.7nH

USER MANUAL

DUO mXTENDTM (NN03-320)

Last updated on July 2019

To ensure optimal results, the use of high-quality factor (Q) and tight tolerance components is

highly recommended (e.g. Murata components with part numbers as in Figure 3). The antenna

performance is always conditioned by its operating environment so that different devices with

different printed circuit board sizes, components nearby the antenna, LCD’s, batteries, covers,

connectors, etc. affect the antenna performance. Accordingly, it is highly recommended placing

pads compatible with 0402 and 0603 SMD components for a matching network as close as

possible to the feeding point of the antenna element. Do it in the ground plane area, not in the

clearance area. By tuning the matching network in your final design with your final surrounding

components (batteries, displays, covers, etc.) you will be able to optimize the antenna

performance without changing the antenna part.

2.2.2. VSWR AND TOTAL EFFICIENCY

VSWR (Voltage Standing Wave Ratio) and Total Efficiency versus Frequency (GHz).

Figure 4 –VSWR and Total Efficiency at BeiDou E1 band (1561 MHz), GPS L1 band and GALILEO

E1 band (1575 MHz), GLONASS L1 band (from 1598 to 1606 MHz) (from the Evaluation Board)

(Figure 1).

Figure 5 –VSWR and Total Efficiency for the 2400 –2500 MHz (from the Evaluation Board) (Figure

1).

USER MANUAL

DUO mXTENDTM (NN03-320)

Last updated on July 2019

2.2.3. RADIATION PATTERNS (1561MHz, 1575MHz, and 1598 - 1606MHz), GAIN AND EFFICIENCY

Measurement System Set-Up

Evaluation Board in Plane XY

= 90º Plane XY at 1.561 GHz, 1.575 GHz

and 1.602 GHz

= 0º Plane XZ at 1.561 GHz, 1.575 GHz and

1.602 GHz

= 90º Plane YZ at 1.561 GHz, 1.575 GHz

and 1.602 GHz

BeiDou

Gain

-1.1 dBi

Efficiency

44.6 %

GPS

Gain

-1.0 dBi

Efficiency

49.7 %

GLONASS

Gain

Peak Gain

-1.0 dBi

Average Gain across the band

-1.0 dBi

Gain Range across the band (min, max)

-1.0 <–>-1.0 dBi

Efficiency

Peak Efficiency

54.6 %

Average Efficiency across the band

53.9 %

Efficiency Range across the band (min, max)

53.0 –54.6 %

Table 2 –Antenna Gain and Total Efficiency from the Evaluation Board (Figure 1) for BeiDou E1 (1561

MHz), GPS L1 (1575 MHz) and GLONASS L1 (1598 MHz –1606 MHz) bands. Measures made in the

Satimo STARGATE 32 anechoic chamber.



-30

-25

-20

-15

-10

-5

180

240

270

310

330

120

150

210

180

240

270

310

330

120

150

210

180

240

270

310

330

120

150

210

180

240

270

310

330

120

150

210

-30

-25

-20

-15

-10

-5

180

240

270

310

330

120

150

210

180

240

270

310

330

120

150

210

180

240

270

310

330

120

150

210

180

240

270

310

330

120

150

210

-30

-25

-20

-15

-10

-5

180

240

270

310

330

120

150

210

180

240

270

310

330

120

150

210

180

240

270

310

330

120

150

210

180

240

270

310

330

120

150

210

USER MANUAL

DUO mXTENDTM (NN03-320)

Last updated on July 2019

2.2.4. RADIATION PATTERNS (2400 - 2500 MHz) GAIN, AND EFFICIENCY

Measurement System Set-Up

Evaluation Board in Plane XY

θ= 90º Plane XY at 2450MHz

= 0º Plane XZ at 2450MHz

= 90º Plane YZ at 2450MHz

Gain

Peak Gain

-0.9 dBi

Average Gain across the band

-0.9 dBi

Gain Range across the band (min, max)

-1.0 dBi <–>-0.9 dBi

Efficiency

Peak Efficiency

57.7 %

Average Efficiency across the band

54.1 %

Efficiency Range across the band (min, max)

47.2 –57.7 %

Table 3 –Antenna Gain and Total Efficiency for the Evaluation Board (Figure 1) for Bluetooth (2400 MHz

- 2500 MHz). Measures made in the Satimo STARGATE 32 anechoic chamber.



-30

-25

-20

-15

-10

-5

180

240

270

310

330

120

150

210

180

240

270

310

330

120

150

210

180

240

270

310

330

120

150

210

180

240

270

310

330

120

150

210

-30

-25

-20

-15

-10

-5

180

240

270

310

330

120

150

210

180

240

270

310

330

120

150

210

180

240

270

310

330

120

150

210

180

240

270

310

330

120

150

210

-30

-25

-20

-15

-10

-5

180

240

270

310

330

120

150

210

180

240

270

310

330

120

150

210

180

240

270

310

330

120

150

210

180

240

270

310

330

120

150

210

USER MANUAL

DUO mXTENDTM (NN03-320)

Last updated on July 2019

3. CAPABILITIES AND MEASUREMENT SYSTEMS

Fractus Antennas specializes in designing and manufacturing optimized antennas for wireless

applications and providing our clients with RF expertise. We offer turn-key antenna products

and antenna integration support to minimize your time requirement and maximize your return on

investment during your product development efforts. We also provide our clients with the

opportunity to leverage our in-house testing and measurement facilities to obtain accurate

results quickly and efficiently.

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