Datasheet

ManualsBrandsSparkFun Electronics ManualsDevelopment Boards & KitsQuad-Band Cellular Antenna SMA 824 ... 1990MHz 60mm

S. P. K. ELECTRONICS CO., LTD.

DRAWING：

RUF

Jeffery

CHECKED BY ：

Jason

APPROVED BY ：

D.S.M

UNLESS OTHER SPECIFIED TOLERANCES ON：

TITLE:

SPK-WA-WTH43003

X＝ X.X＝ X.XX＝

Part No.

112010003

REV.：A1 UNIT：mm

Document No.

PAGE 1 of 9

GSM850/E-GSM900/DCS1800/PCS1900 Helical Antenna

1﹒Explanation of Title：

（1）System code：

（2）Area code：

（3）Product type：

(3)

(2)

(1)

(4) (5)

34003

（4）Customer code：

（5）Suffix：

2﹒Summary：

This report is to account for the measurement setup and results of Quad-Band. The

measurement setup includes reflection coefficient, pattern, and gain measurements.

Summary of content (9 pages)

PAGE 1
S. P. K. ELECTRONICS CO., LTD. GSM850/E-GSM900/DCS1800/PCS1900 Helical Antenna 1﹒Explanation of Title： WT H 4 3 0 0 3 (1) (3) (2) (4) (5) （1）System code：（2）Area code：（3）Product type：（4）Customer code：（5）Suffix： 2﹒Summary： This report is to account for the measurement setup and results of Quad-Band. The measurement setup includes reflection coefficient, pattern, and gain measurements.
PAGE 2
S. P. K. ELECTRONICS CO., LTD. 2–1﹒Frequency Band： Frequency GSM/850E GSM DCS PCS Tx (MHz) 824~849 880 ~ 915 1710 ~ 1785 1850~1909 Rx (MHz) 870~894 925 ~ 960 1805 ~ 1880 1930~1990 3﹒Measurement Setup：（1）Reflection Coefficient Measurement：（a）Instrument： Network Analyzer （b）Setup：（I）Calibrate the Network Analyzer by one port calibration using O.S.L calibration kits. （II）Connect the antenna under test to the Network Analyzer. （III）Measure the S11(reflection coefficient) shown in Fig. 1.
PAGE 3
S. P. K. ELECTRONICS CO., LTD. Network Analyzer Fig.1 （2）Pattern measurement： a﹒The S.P.K.’S anechoic chamber is a far–field measurement system with size of 7m×3.3m×3.3m. The quiet zone region is 30cm x 30cm x 30cm in the center of the rotator. 4.35m Step Rotator Fig.2 The interior components of the anechoic chamber b﹒The probing antenna is the BBHA 9120 LFA 700MHz ~ 6GHz module (9120D horn antenna), which is placed in the one side of the chamber room.
PAGE 4
S. P. K. ELECTRONICS CO., LTD. G AUT = Gs tan d + PAUT − Ps tan d G AUT : Gain of AUT Gs tan d : Gain of S tan dard Gain Antenna PAUT : Measured Power of AUT Ps tan d : Measured Power of S tan dard Gain Antenna d﹒The scanning method is CW wave with 6 degree by one step. e﹒We measure the radiation pattern in the free space situation at the lowest, middle and highest frequency for the H(X–Y)、E1(Y–Z) planes, which defined in figure next page. （3）Plane definition： H-Plane E1-Plane Fig.
PAGE 5
S. P. K. ELECTRONICS CO., LTD. 4﹒VSWR and Return loss： 4–1 VSWR Value 4–2 Return loss： DRAWING： DESIGNED BY ： RUF Jeffery CHECKED BY ： APPROVED BY ： UNLESS OTHER SPECIFIED TOLERANCES ON： TITLE: D.S.M SPK-WA-WTH43003 X＝ Part No. 112010003 X.X＝ REV.：A1 PAGE 5 of 9 X.XX＝ UNIT：mm Jason Document No.
PAGE 6
S. P. K. ELECTRONICS CO., LTD. Frequency (MHz) VSWR 824MHz Value ≦3.0 960MHz 1710MHz 1880MHz 1990MHz ≦3.0 ≦3.0 ≦3.0 ≦3.0 5. Gain and Radiation pattern： 5–1 Antenna Gain： H Plane Frequency (MHz) E1 Plane Unit dBi Max. Min. Avg. Max. Min. Avg. 824 1.52 -5.61 -1.64 -0.45 -10.65 -4.09 880 -0.60 -9.54 -2.94 -1.88 -12.53 -4.42 960 -0.42 -4.52 -2.06 -1.36 -10.19 -4.47 1710 -1.89 -10.09 -3.62 -0.65 -13.31 -3.39 1800 0.79 -9.60 -2.60 1.20 -13.02 -2.30 1880 1.
PAGE 7
S. P. K. ELECTRONICS CO., LTD. 5–2 Radiation Patterns： H-Plane DRAWING： DESIGNED BY ： RUF Jeffery CHECKED BY ： APPROVED BY ： UNLESS OTHER SPECIFIED TOLERANCES ON： TITLE: D.S.M SPK-WA-WTH43003 X＝ Part No. 112010003 X.X＝ REV.：A1 PAGE 7 of 9 X.XX＝ UNIT：mm Jason Document No.
PAGE 8
S. P. K. ELECTRONICS CO., LTD. E1-Plane DRAWING： DESIGNED BY ： RUF Jeffery CHECKED BY ： APPROVED BY ： UNLESS OTHER SPECIFIED TOLERANCES ON： TITLE: D.S.M SPK-WA-WTH43003 X＝ Part No. 112010003 X.X＝ REV.：A1 PAGE 8 of 9 X.XX＝ UNIT：mm Jason Document No.
PAGE 9
S. P. K. ELECTRONICS CO., LTD. 6. Mechanical Specification： 6–1. Mechanical Configuration： The appearance of the antenna is according to drawing Figure 6–1. Figure 6-1 Antenna drawing DRAWING： DESIGNED BY ： RUF Jeffery CHECKED BY ： APPROVED BY ： UNLESS OTHER SPECIFIED TOLERANCES ON： TITLE: D.S.M SPK-WA-WTH43003 X＝ Part No. 112010003 X.X＝ REV.：A1 PAGE 9 of 9 X.XX＝ UNIT：mm Jason Document No.