1575AT44A0010

"High Frequency Ceramic Solutions"

1575MHz GPS Ultra-Compact Ceramic Chip Antenna

Detail Specification: 9/24/2012

General Specifications

Part Number

Frequency Range

Peak Gain (XZ-total)

Average Gain (XZ-total)

Return Loss

1575AT44A0010

1570~1580 MHz

0.5 dBi typ.

-2.0 dBi typ.

9.5 dB min.

P/N 1575AT44A0010

Page 1 of 4

Input Power

Impedance

Reel Quanity

Operating Temperature

Storage Temperature

2W max.

50 Ω

1000

-40 to +85°C

+5 to +35°C, Humidity: 45-

75%RH, 18 mos. Max

P/N

Suffix

Packaging

Style

Termination

Style

Bulk

T & R

100% Tin

Tin / Lead

EVB with SMA Connector

Suffix = S Eg. 1575AT44A0010S

Suffix = E Eg. 1575AT44A0010E

Suffix = None Eg. 1575AT44A0010(E or S)

Please consult Factory

1575AT44A0010-EB1SMA

Mechanical Dimensions

L

W

T a1 a2 b c g p

In

0.177

± 0.012

0.122

± 0.012

0.059

± 0.004

0.022

± 0.008

0.079

± 0.008

0.004 min

0.012

+.004/-.008

0.043

0.065

±

±

0.006

0.008

mm

4.50

± 0.30

3.10

± 0.30

1.50

± 0.10

0.55

± 0.20

2.00

± 0.20

0.1 min

0.30

1.10

1.65

+0.1/-0.2

±

±

0.15

0.20

a

L a1 c W g p

T b

Terminal Configuration

No.

1

2

3

4

5

6

7

8

Function

GND

NC

NC

GND

NC

NC

Feeding

GND

3 2 1

4

5 6 7

8

Johanson Technology, Inc. reserves the right to make design changes without notice.

All sales are subject to Johanson Technology, Inc. terms and conditions.

www.johansontechnology.com

4001 Calle Tecate • Camarillo, CA 93012 • TEL 805.389.1166 FAX 805.389.1821

2012 Johanson Technology, Inc. All Rights Reserved




P/N 1575AT44A0010

Page 2 of 4

Mounting Considerations

* Line width should be designed to match 50 characteristic impedance, depending on PCB material and thickness.

Without Matching Circuits - Units in mm

Via

No ground area

7.00

0.50

0.825

1.00

Ground

0 Ohm**

6.00

0.65

1.00

0.65

1.00

0.65

0.275

1.00

Feeding line

1.00

0.325

1.95

0.325

1.00

`

Solder Resist

Land

**When doing the layout of your PCB make sure you leave place holders for a "shunt-series-shunt" (Pi) matching network in your preferred case size. For any further questions, contact our engineering support team at: http://www.johansontechnology.com/en/ask-a-technical-question.html







Typical Electrical Characteristics (T=25

o

C)

Test Board - (units in mm)

P/N 1575AT44A0010

Page 3 of 4

Via

50

No ground

6

7.5

Antenna

Ground

0 Ohm

Test Board p/n: 1575AT44A0010‐EB1SMA

100

Typical Return Loss:

0

-10 m1 freq= 1.570GHz

dB(S(1,1))=-15.811

m2 freq= 1.580GHz

dB(S(1,1))=-21.451

m3 freq= 1.575GHz

dB(S(1,1))=-28.248

m1 m2

-20

-30

1.0

1.2

m3

1.4

freq, GHz

1.6

1.8

2.0






Preliminary




P/N 1575AT44A0010

Page 4 of 4

Typical Radiation Patterns

90°

XY-V / XY-H Z

XY cut @1.575GHz

Vertical

Horizontal

180°

X

270°

Y 0°

XY-cut scanning direction

90°

XZ-V / XZ-H

Y

180°

X

270°

Z 0°

XZ-cut scanning direction

XZ cut @1.575GHz

Vertical

Horizontal

90°

YZ-V / YZ-H X

YZ cut @1.575GHz

Vertical

Horizontal

180°

Y

270°

Z 0°

YZ-cut scanning direction






1575AT44A0010

General Specifications

Mechanical Dimensions

Mounting Considerations

Typical Electrical Characteristics (T=25

C)

Related manuals

Fluke Electronics

T68-805FC