Applications
► GPS/Beidou/GLONASS/Galileo/Compass radio receivers
► Smart phone and Feature phone
► Tablet PCs and Personal Navigation Devices
► Digital cameras
Features
► Superior Noise Figure: 0.45dB
► High Gain:20dB
► Covers full GNSS L1 band, from 1559 MHz to 1610 MHz
► Small package: 1.0 x 1.5 x 0.55mm
Description
The HS1105G is a Low Noise Amplifier (LNA) for GPS/Beidou/GLONASS/Galileo/Compass applications. Output matching components are integrated inside the device. Only one external input matching inductor is required. A power down mode was controlled by the enable logic signal. It can deliver 20dB Gain with a superior noise figure (NF) of 0.45dB.The HS1105G is manufactured in a compact, 6- pin 1.0 x 1.5 x 0.55 mm package. A functional block diagram is shown in Figure 1. The pin configuration and package are shown in Figure 2.
Block Diagram and Pinout
Figure 1. HS1105G Block Diagram
Figure 2. HS1105G Pinout (Top View)
Application Circuit
Figure 3. HS1105G Evaluation Board Schematic