Rainsun-microwave-Tech-MD1705

MD1705  

Multilayer Chip Antenna for  

Extra Wide Band  

(

Preliminary

Information)  

RainSun Corporation  

Dec, 2011  

V

e

r.B  

1 of 6  

MD1705 Multilayer Chip Antenna  

◆

Features  

• Size : 17.0mm(L)X5.0mm(W)X1.63mm(H)  

• Light weight and low profile  

• Omni

‐

directional in azimuth  

Lead (Pb) Free  

◆

Applications  

• Broad Band wireless communications  

Specifications  

Frequency range  

Peak gain  

800~2100MHz  

1 dBi  

Operation temperature  

Storage temperature  

VSWR  

‐

40 ~ +85

°

C  

‐

40 ~ +100

°

C  

2.5 (Max)  

Input Impedance  

Power handling  

Bandwidth  

Azimuth beam width  

Polarization  

50 Ohm  

5W (Max)  

1300 MHz (typ.)  

Omni

‐

directional  

Linear  

Soldering pad  

Natural tin  

RainSun Corporation  

Dec, 2011  

V

e

r.B  

2 of 6  

Pin configuration  

Top view  

Feed point  

Identification mark  

Bottom view  

Soldering terminal  

RainSun Corporation  

Dec, 2011  

V

e

r.B  

3 of 6  

Dimensions  

Top view  

Bottom view  

Symbol  

Dimensions (mm)  

±

A

B

17.0 0.1  

±

5.0 0.1  

±

C

D

E

2 0.1  

1

±

0.1  

3

±

0.1  

3

±

0.1  

F

RainSun Corporation  

Dec, 2011  

V

e

r.B  

4 of 6  

Recommended

T

e

st Board Pattern  

Top view  

Empty area  

Unit : mm  

Fig-1  

Board thickness : 0.8mm  

Board material : FR4  

T

e

sting Setup  

Measurement  

Testing Instrument:  

Anritsu 37369C VNA( Vector Network  

Analyzer)  

VNA calibrate with 1 path reflection  

only calibration sequence on test board  

feed point.  

The test board dimension and it

’

s  

layout is the same as Fig

‐

1.  

RainSun Corporation  

Dec, 2011  

5 of 6  

V

e

r.B  

T

y

pical Electrical Characteristics  

Return loss  

RainSun Corporation  

6 of 6  

Dec, 2011  

V

e

r.B