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Infineon


Antenna tuners

The BGSA20VGL8 is a versatile Dual Single-Pole Single-Throw (SPST) RF antenna shunt aperture switch optimized for low COFF as well as low RON enabling applications up to 6.0 GHz. This single supply chip integrates 2 digital control pins. Unlike GaAs technology, the 0.1 dB compression point exceeds the switch maximum input power level, resulting in linear performance at all signal levels and external DC blocking capacitors at the RF ports are only required if DC voltage is applied externally. Due to its very high RF voltage ruggedness, it is suited for switching any reactive devices such as inductors and capacitors in RF matching circuits without significant losses in quality factors.
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BGSC2341ML10 is a versatile Integrated Circuit (IC) ideal for RF tuning applications such as tunable impedance matching, antenna tuning and tunable filtering. This IC integrates an 8-states tunable capacitor and an extremely low RON Single Pole Double Throw (SPDT) RF switch function; both controlled by on-chip MIPI 2.1 RFFE digital interface.Unlike some other tunable capacitor technologies, Infineon Bulk CMOS ensures very stable capacitance step values over the entire -40...+85° C temperature range. Last but not the least, BGSC2341ML10 exhibits very good linearity in high RF power conditions and up to RF voltage greater than 39 V which is a key attribute in application like antenna tuning. It does not require any additional High Voltage Supply Controller IC and can be powered by a single 1.8 V power supply at an extremely low current consumption level. With 1.1 mm x 1.5 mm package dimensions, it is a compact solution fitting well to any small form factor mobile phone-like applications.
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