Fractus TVNow Bedienungsanleitung

February 2013

Page 1

1999-2013 © FRACTUS, S.A.

Fractus®TVNowTM

Mobile TV Dual-Band DVB-H (UHF + L Band) Antenna

Antenna Part Number:

FR01-B1-S-0-047

February 2013

Page 2

1999-2013 © FRACTUS, S.A.

TABLE OF CONTENTS

1. ANTENNA DESCRIPTION ______________________________________________________ 3

2. QUICK REFERENCE GUIDE _____________________________________________________ 3

3. ELECTRICAL PERFORMANCE ___________________________________________________ 4

3.1. TVNow EVALUATION BOARD ________________________________________________ 4

3.2. RADIATION PATTERN AND GAIN _____________________________________________ 5

3.3. CAPABILITIES AND MEASUREMENT SYSTEMS ___________________________________ 6

4. MECHANICAL CHARACTERISTICS _______________________________________________ 7

4.1. DIMENSIONS AND TOLERANCES _____________________________________________ 7

4.2. SPECIFICATIONS FOR INK__________________________________________________ 7

5. ASSEMBLY PROCESS _________________________________________________________ 8

6. ANTENNA FOOTPRINT (as used in the evaluation board) ____________________________ 10

Any update on new patents linked to this product will appear in http://www.fractus.com/index.php/fractus/patents

All information contained within this document is property of Fractus and is subject to change without prior

notice. Information is provided “as is” and without warranties. It is prohibited to copy or reproduce this

information without prior approval.

Fractus is an ISO 9001:2008 certified company. All our antennas are lead-free and RoHS compliant.

February 2013

Page 3

1999-2013 © FRACTUS, S.A.

1. ANTENNA DESCRIPTION

The TVNowTM is an off-the-shelf internal antenna solution specifically designed for DVB-H applications,

covering UHF and L-band requirements.

TVNow minimises your product development cost and time. It combines small size and high performance

making TVNow an optimal choice for your portable DVB-H applications.

APPLICATIONS

Mobile phones

Personal Media Player (PMP)

Ultra Mobile PC (UMPC)

Secure Digital (SD) cards

BENEFITS

Reduced Form Factor

Modularity - SMD

Superior Performance

High Isolation (DVB-H and GSM)

2. QUICK REFERENCE GUIDE

Technical Features

Frequency Range

With GSM Coexistence

470 –698 MHz

1670-1675 MHz

Gain Curve

>2 dB margin with DVB-H

recommendations

Radiation Pattern

Omnidirectional

Gain Flatness (horizontal

diagram)

±2 dB

Weight (approx.)

1.9 g

Temperature

-40 to 85º C

Impedance

50 Ω

Dimensions (L x W x H)

40.0 mm x 5.0 mm x 4.8 mm

Table 1 -Technical Features. Measures from the evaluation board

(107.0 mm x 42.7 mm x 1.0 mm PCB)

TOP

BOTTOM

Please contact inf[email protected] if you

require additional information on antenna

integration or optimisation on your PCB.

FRACTUS S.A.

www.fractus.com

Tel: +34 935442690

Fax: +34 935442691

40.0 mm

4.8 mm

5.0 mm

February 2013

Page 4

1999-2013 © FRACTUS, S.A.

3. ELECTRICAL PERFORMANCE

3.1. TVNow EVALUATION BOARD

The configuration used in testing the TVNowTM dual band (UHF+Lband) DVB-H antenna is displayed

in Figure 1.

Figure 1 –TVNowTM Dual Band (UHF+Lband) DVB-H

Measure

95.0

42.7

107.0

68.0

Tolerance: ±0.2 mm

Material: The evaluation board

is built on FR4 substrate of 1.0

mm thick.

Antenna clearance

(white colour)

Ground plane

(grey colour)

Matching Network Values

Note: Optimal matching network values may vary depending on the antenna environment. Please, contact

[email protected] for additional support to integrate the antenna in a specific application.

February 2013

Page 5

1999-2013 © FRACTUS, S.A.

3.2. RADIATION PATTERN AND GAIN

Table 2 –Antenna Gain across UHF and L-band

GAIN

Radiation Pattern

-40

-35

-30

-25

-20

-15

-10

-5

180

240

270

310

330

120

150

210

-40

-35

-30

-25

-20

-15

-10

-5

180

240

270

310

330

120

150

210

TVnow

performance in L US bands

-6

-5

-4

-3

-2

-1

1660

1665

1670

1675

1680

1685

frequency (MHz)

Gain (dBi)

Gain

ETSI Specs

Gain

(dBi)

TVNow

Performance Vs UHF DVB-H Specs

-14

-12

-10

-8

-6

-4

-2

470

495

520

545

570

595

620

645

670

695

Frequency (MHz)

Gain

ETSI Specs

H Plane (=90º) Plane XY

E Plane (=90º) Plane YZ

February 2013

Page 6

1999-2013 © FRACTUS, S.A.

3.3. CAPABILITIES AND MEASUREMENT SYSTEMS

Fractus specialises in the design and manufacture of optimised antennas for wireless applications, and with

the provision of RF expertise to a wide range of clients. We offer turn-key antenna products and antenna

integration support to minimise your time requirements and maximize return on investment throughout the

product development process. We also provide our clients with the opportunity to leverage our in-house

testing and measurement facilities to obtain accurate results quickly and efficiently.

30330

60300

90270

120240

150210

180

-30

-25

-20

-15

-10

-5

f=5350MHz

30330

60300

90270

120240

150210

180

-30

-25

-20

-15

-10

-5

f=5350MHz

Radiation

Pattern

Efficiency

SATIMO’s STARGATE 32

Anechoic and semi-anechoic chambers and fully equipped in-house lab

February 2013

Page 7

1999-2013 © FRACTUS, S.A.

4. MECHANICAL CHARACTERISTICS

4.1. DIMENSIONS AND TOLERANCES

Figure 2 –Antenna Dimensions and Tolerances

Measure

40.0 0.2

4.8 0.2

5.0 0.2

2.0 0.1

The TVNowTM Dual Band (UHF+Lband) DVB-H antenna is compliant with the directive 2002/95/EC on the

restriction of the use of hazardous substances (RoHS). Please contact your account representative if you

require a green certificate (RoHS report.)

4.2. SPECIFICATIONS FOR INK

Next figure shows the correct colours of the antenna:

The black hole located on the front of the antenna,

provides a visual cue to mounting the antenna. It is

located above the feed point of the antenna and is

included to decrease possible manufacturing error.

Note: all antenna pads

(feed point and mounting

pads) have the same

dimensions.

Acceptable colour range

February 2013

Page 8

1999-2013 © FRACTUS, S.A.

5. ASSEMBLY PROCESS

Figure 3 shows the back and front view of the TVNowTM Dual Band (UHF+Lband) DVB-H antenna , and

indicates the location of the feeding point and the mounting pads:

Figure 3 –Views of the TVNowTM dual band (UHF+Lband) DVB-H antenna

As a surface mount device (SMD), this antenna is compatible with industry standard soldering processes. The

basic assembly procedure for this antenna is as follows:

1. Apply a solder paste to the pads of the PCB. Place the antenna on the board.

2. Perform a reflow process according to the temperature profile detailed in Table 3, Figure 5 on page 9.

3. After soldering the antenna to the circuit board, perform a cleaning process to remove any residual

flux. Fractus recommends conducting a visual inspection after the cleaning process to verify that all

reflux has been removed.

The drawing below shows the soldering details obtained after a correct assembly process:

Figure 4 - Soldering Details

NOTE: Solder paste thickness after the assembly process will depend on the thickness of the soldering stencil

mask. A stencil thickness equal to or larger than 127 microns (5 mils) is required.

Mounting Pads (2, 3, 4, 5): solder the antenna mounting pads to the

soldering pads on the PCB. These pads must NOT be grounded.

Feed Pad (1): align the feed point with the feeding line on the PCB.

Antenna

PCB

Solder Paste

Antenna

PCB

~0.1* mm

February 2013

Page 9

The TVNowTM dual band (UHF+Lband) DVB-H antenna should be assembled following either Sn-Pb or Pb-free

assembly processes. According to the Standard IPC/JEDEC J-STD-020C, the temperature profile suggested

is as follows:

Phase

Profile features

Pb-Free Assembly

(SnAgCu)

RAMP-UP

Avg. Ramp-up Rate (Tsmax to Tp)

3 ºC / second (max.)

PREHEAT

-Temperature Min (Tsmin)

-Temperature Max (Tsmax)

-Time (tsmin to tsmax)

150 ºC

200 ºC

60-180 seconds

REFLOW

-Temperature (TL)

-Total Time above TL(t L)

217 ºC

60-150 seconds

PEAK

-Temperature (Tp)

-Time (tp)

260 ºC

20-40 seconds

RAMP-DOWN

Rate

6 ºC/second max.

Time from 25 ºC to Peak Temperature

8 minutes max.

Table 3 –Recommended soldering temperatures

Next graphic shows temperature profile (grey zone) for the antenna assembly process in reflow ovens.

Figure 5 –Temperature profile

February 2013

Page 10

6. ANTENNA FOOTPRINT (as used in the evaluation board)

This antenna footprint applies for the reference evaluation board described on page 4 of this User Manual.

Figure 6 –Antenna Footprint Details

Other PCB form factors and configurations may require a different feeding configuration, feeding line

dimensions and clearance areas. If you require support for the integration of the antenna in your design,

please contact info@fractus.com

Measure

2.0

7.0

1.8

2.0

12.0

1.5

1.9

4.7

34.2

42.7

Tolerance: ±0.2 mm

Note: all the soldering pads

(feed point and mounting

pads) on the antenna layout

have the same dimensions.

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