april 2009 doc id 10839 rev 2 1/5 5 stb6100 8psk/qpsk direct conversion tuner ic features direct conversion input range 950 to 2150 mhz low pass filter bandwidth 5 to 36 mhz fully integrated lo and pll differential i/q outputs buffered xo output to clock other devices low external component count low power consumption 2-wire i 2 c serial interface low-cost integrated zif tuner for dvb-s2 and directv ? , vsat and internet through satellite applications qpsk/8psk/16apsk and 32apsk support simple interface to st?s satellite demodulator devices low phase noise, excellent linearity and high lo harmonics rejection vfqfpn2 5x5x1.0 32 pitch package figure 1. functional block diagram table 1. device summary order code packing stb6100 standard tray version stb6100t tape and real xo_by p xtalb xoout iout ioutb qoutb qout xtal vccrf rfin gnd gnd v ccmix gnd gnd gnd gnd ld vtune vccscv cp cp_byp syn_by p vco_by p clk vccbb v ccbias data as agc vreg3 tsta pdf /(ni+nf) bb gain cp 3 2 2 5 9 1 6 2 6 2 7 2 8 2 9 3 0 3 1 1 4 1 3 1 2 1 1 1 0 1 5 1 8 7 2 3 4 5 6 24 17 21 18 19 20 23 22 ld 2-wire bus bw agc control dc offset cancellation dc offset cancellation /2 or /1 divide 2/4 0 o 90 o delta sigma op amp www.st.com
description stb6100 2/5 doc id 10839 rev 2 1 description the stb6100 asic is a highly integrated, low-cost direct conversion (zero if) tuner ic for dvb-s2 broadcast satellite applications. this device includes an lna, down-converting mixers, baseband low-pass filters, gain control, on-chip vco and a low noise pll. its wide gain control range is well suited for low symbol rate applications. the stb6100 is controlled by a simple two-wire interface and has been designed to minimize the external bill of materials to reduce manufacturing costs and to simplify the board layout. the reduced component count ensures greater system reliability leading to increase consumer satisfaction. the dvb-s2 standard increases the capacity of satellite broadcasts by as much as 30%, so enabling the effective deployment of high data rate applications such as high definition tv and broadband internet. packaged in vfqfpn2 5x5x1.0 32 pitch 0.50 package, it is ideal for low cost dbs design.
stb6100 ecopack ? doc id 10839 rev 2 3/5 2 ecopack ? in order to meet environmental requirements, st offers these devices in different grades of ecopack ? packages, depending on their level of environmental compliance. ecopack ? specifications, grade definitions and product status are available at: www.st.com . ecopack ? is an st trademark.
revision history stb6100 4/5 doc id 10839 rev 2 3 revision history table 2. document revision history date revision changes 05-sept-2004 1 initial release. 21-apr-2009 2 supported features updated.
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