GPS ceramic patch antenna

VTCA1575R1840A

1. SCOPE

This specification shall cover the characteristics of the dielectric antenna element

with the type VTCA1575R1840A

2 OUTLINE DRAWING AND DIMENSIONS

2.1 Appearance: No visible damage and dirt.

2.2 Except the pin, the materials don’t contain lead.

2.3 Dimensions

3 ELECTRICAL SPECIFICATIONS

3.1 Performance Characteristics

Items	Content
Nominal frequency MHz	1593±2
*Center frequency MHz(with adhesive tape on square ground Plane)	CF±3.0
-10dB Bandwidth MHz min	8.0
Return Loss at Center Frequency dB max	-20.0
Gain (Zenith 90°) dBi  type	2.0
Polarization Model	RHCP
Impedance	50 Ω
Axial Ratio dB max	3.0
Frequency Temperature Coefficient	20ppm/deg.℃ max

* Center frequency :-10dB bandwidth center frequency.

4.Impedance Characteristic

5.TEST

5.1 Test Conditions

Parts shall be measured under a condition (Temp.:20℃±15℃, Humidity : 65%±20% R.H.).

5.2 Test Jig