STV6111 - STMicroelectronics

STV6111 8PSK/QPSK low-power 3.3-V satellite tuner IC

The STV6111 satellite tuner is a direct-conversion (zero IF) receiver for digital TV broadcasting. XTAL_OUT Clock management VCO External filter PLL SCL SDA I²C LO dividers VGA1 LNA RF_INP RF_INN Mixers VGA2 QP QN DC offset correction VGA2 IN IP AGC control AGC RF receiver VGA1 November 2011 Doc ID 022528 Rev 1 1/4 www.st.com 4 For further inf.

Features

■
■
■
■
■
■
■
■
■ Specific operating mode for symbol rates up to 220 Msymb/s Compatible with 5-V and 3.3-V I2C bus RF-to-baseband direct conversion architecture Single 3.3-V DC supply, low consumption Outstanding performance in heavily loaded spectrum conditions Input frequency range: 950 to 2150 MHz Supports 1 to 60 Msymb/s using internal filter RF-AGC or channel-AGC support Extremely low-phase noise, compliant with DVB-S2 requirements using fractional-N synthesizer Low external component count Flexible crystal frequency output to drive the demodulator and/or other tuner ICs Continuously v.