STV6111 is a low-power 3.3-V satellite tuner IC with RF-to-baseband direct conversion architecture, single power supply, outstanding performance, wide frequency range, support 1 to 60 Msymb/s symbol rate, extremely low phase noise, low external component count, flexible crystal frequency output, continuously variable gain, programmable cut-off frequency, compatible with 5-V and 3.3-V I2C bus, etc.