STMicroelectronics STV0042A
The STV0042A BICMOS integrated circuit realizes all the necessary signal processing from the tuner to the Audio/Video input and output connectors regardless the satellite system. The STV0042 is intended for low cost satellite receiver application. It feeds two AGC amplifiers with a bandwidth of at least 5-10MHz.APPLICATIONS
MISCELLANEOUS 22kHz TONE GENERATIONFOR LNB CONTROL I2C BUS CONTROL : CHIP ADDRESSES = 06HEX LOW POWER STAND-BY MODE WITH ACTIVE AUDIO AND VIDEO MATRIXES . . . . . . . . . . . . . . . . SOUND TWO INDEPENDENT SOUND DEMODULATORS PLL DEMODULATION WITH 5-10MHz FREQUENCY SYNTHESIS PROGRAMMABLE FM DEMODULATOR BANDWIDTH ACCOMODATING FM DEVIATIONS FROM ±30kHz TILL ±400kHz PROGRAMMABLE 50/75µs OR NO DE-EMPHASIS DYNAMIC NOISE REDUCTION ONE OR TWO AUXILIARY AUDIO INPUTS AND OUTPUTS GAIN CONTROLLED AND MUTEABLE AUDIO OUTPUTS HIGH IMPEDANCE MODE AUDIO OUTPUTS FOR TWIN TUNERAPPLICATIONS
SHRINK42 (Plastic Package) ORDER CODE : STV0042A PIN CONNECTIONS FC R PK IN SUM OUT VOL R S1 VID OUT S2 VID OUT VOL L S2 VID RTN S2 OUT L CLAMP IN S2 OUT R UNCL DEEM VIDEEM2/22kHz V 12V VIDEEM1 V GND 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 A GND R FC L PK OUT IREF CPUMP R U75 R DET R AMPLK R A 12V VREF A GND L AGC R AMPLK L U75...