ST’s tunable capacitors and associated controllers are designed to tune wireless antennas to specific frequencies. The implementation of tunable capacitors enables significant improvement in terms of radiated performance (TRP & TIS) making them almost insensitive to the external environment.
ST’s integrated tunable capacitors offer excellent RF performance, low power consumption and high linearity required in adaptive RF tuning applications:
- STPTIC G series for impedance matching (standard linearity)
- STPTIC L series for frequency tuning (high linearity)
- STHVDAC series RFFE controller for 3 to 6 STPTICs
The fundamental building block of a passive tunable integrated circuit (PTIC) is a tunable material called Parascan?, which is a version of barium strontium titanate (BST) developed by Paratek microwave.
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Using the STHVDAC-253C7 with STPTIC capacitors for impedance matching and frequency tuning provides stronger signal reception, fewer dropped calls, faster data rates, and longer battery life for handset users.
