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