H2U14W1H2A0100 Datasheet, PDF (15/23 Pages) Unictron Technologies Corporation – GNSS Ceramic Chip Antenna

Datasheet: AA088 - H2U14W1H2A0100
Introduction Electrical Characteristics Radiation Pattern Layout Tuning Packing Notes
4 Frequency tuning
Chip antenna tuning scenario
Signal Input
4. Fine tuning element
5. Fine tuning element
1
Matching circuit
2
3
With the following recommended values of matching and tuning components, the
Center frequency will be about 1575.42 MHz at our standard 80 x 40 mm²
evaluation board. However, these are typical reference values which may need to
be changed when circuit boards or part vendors are different.
System Matching Circuit Component
Location Description Vendor
1
N/A
2
2.7 pF, (0402) DARFON
3
1.5 pF, (0402) DARFON
4
Fine tuning 3.9 pF, (0402) DARFON
element
5
Fine tuning 1 pF, (0402) DARFON
element
Tolerance
±0.1pF
±0.1pF
±0.1pF
±0.05pF
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