• Part: FM8545
  • Description: Antenna Tuning Switch
  • Manufacturer: ChipSourceTek
  • Size: 387.11 KB
Download FM8545 Datasheet PDF
ChipSourceTek
FM8545
Features designed for high performance antenna tuning - Very Linear Performance applications. All RF path performance is - Off Ports, ‘open Type’ enhanced with ultra-low on state resistance and - Two pin GPIO control Interface for standard off state capacitance. FM8545 allows the SP4T operation creation of advanced tuning topologies to - Very Small 1.1mm x 1.5mm maximize TRP & TIS performance in space - Very low profile, 0.5mm constrained applications. - Ultra-Low On-resistance, 1.0 Ω - The FM8545 SP4T tuner is provided in a Applications pact QFN 1.1mm x 1.5mm x 0.5mm - Antenna Tuning package. A functional block diagram is shown - Band Switching - Impedance Tuning 技 k Description - The FM8545 is very low loss SP4T specifically 科 e RF1 RFC in Figure 1. The pin configuration and package are shown in Figure 2. Signal pin assignments and functional pin description are provided in Table 1. RF3 特 e T 1 源 rc RF2 RF4 矽 ou GND 3 ip S 4 Ch VDD GPIO...