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tda 6190 dvb-if mixer specification, version 1.3, 2002-06-10 wireless components never stop thinking.
edition 2002-06-10 published by infineon technologies ag, st.-martin-strasse 53, d-81541 mnchen, germany ? infineon technologies ag 6/25/02. all rights reserved. attention please! the information herein is given to describe certain components and shall not be considered as warranted characteristics. terms of delivery and rights to technical change reserved. we hereby disclaim any and all warranties, including but not limited to warranties of non-infringement, regarding circuits, descriptions and charts stated herein. infineon technologies is an approved cecc manufacturer. information for further information on technology, delivery terms and conditions and prices please contact your nearest infineon technologies office in germany or our infineon technologies representatives worldwide (see address list). warnings due to technical requirements components may contain dangerous substances. for information on the types in question please contact your nearest infineon technologies office. infineon technologies components may only be used in life-support devices or systems with the express written approval of infineon technologies, if a failure of such components can reasonably be expected to cause the failure of that life-support device or system, or to affect the safety or effectiveness of that device or system. life support devices or systems are intended to be implanted in the human body, or to support and/or maintain and sustain and/or protect human life. if they fail, it is reasonable to assume that the health of the user or other persons may be endangered.
wireless components tda 6190 dvb-if mixer specification, version 1.3, 2002-06-10 never stop thinking.
specification revision history: 2002-06-10 tda 6190 previous version: specification april 2000 page (in prev. version) page (in current version) subjects (major changes since last revision) new template 5/7 input frequency range corrected 5-3 18/19 temperature range extended 5-4 21 tda6190t, tda6190s input level adapted 21/22 marks of new template used 22 oscillator range corrected 23 intermodulation min 45db 25 .. typical characteristics, evaluation circuit for frequency response for questions on technology, delivery and prices please contact the infineon technologies offices in germany or the infineon technologies companies and representatives worldwide: see our webpage at http://www.infineon.com abm ? , aop ? , arcofi ? , arcofi ? -ba, arcofi ? -sp, digitape ? , epic ? -1, epic ? -s, elic ? , falc ? 54, falc ? 56, falc ? -e1, falc ? -lh, idec ? , iom ? , iom ? -1, iom ? -2, ipat ? -2, isac ? -p, isac ? -s, isac ? -s te, isac ? -p te, itac ? , iwe ? , musac ? -a, octat ? -p, quat ? -s, sicat ? , sicofi ? , sicofi ? -2, sicofi ? -4, sicofi ? -4 c, slicofi ? are registered trademarks of infineon technologies ag. ace?, asm?, asp?, potswire?, quadfalc?, scout? are trademarks of infineon technologies ag. controller area network (can): license of robert bosch gmbh
specification 5 2002-06-10 type ordering code package tda 6190x q67100-v2005 p-dso-16 tda 6190x q67106-v2005 (tape and reel) p-dso-16 tda 6190t q67036-a1073 (tape and reel) p-dso-16 tda 6190s q67036-a1125 (tape and reel) p-dso-16 dvb-if mixer tda 6190 version 1.3 product info general description the tda 6190x, tda 6190t and tda 6190s are bipolar integrated circuits for amplification and down conversion of modulated if signals used for dvb on cable or for terrestrial transmission. features input frequency range of 30 to 70 mhz tda 6190x: automatic gain control with integrated peak agc detector tda 6190t, tda 6190s: external gain control for integrated variable gain amplifier tda 6190s: reduced output level output for adjustable delayed tuner agc integrated low noise vco circuitry with external varactor diode or crystal broadband outputs for the down converted if signal internal low noise reference voltage source full esd protection application for use in tv or cable set-top receivers for d igital v ideo b roadcast.
tda 6190 version 1.3 specification 6 2002-06-10 page table of contents 1 product description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 1.1 overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 1.2 features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 1.3 application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 1.4 package outlines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 2 functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2.1 pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2.2 pin definitions and functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 2.3 equivalent i/o schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 2.4 functional block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 2.5 functional block description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 2.5.1 power supply, reference voltage . . . . . . . . . . . . . . . . . . . . . . . 13 2.5.2 dvb-if input amplifier, agc . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 2.5.3 oscillator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 2.5.4 mixer and output buffers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 3 application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 3.1 evaluation board layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 3.2 bill of material . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 3.3 application circuit 1 (evaluation board) . . . . . . . . . . . . . . . . . . . . 16 3.4 application circuit 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 4 reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 4.1 electrical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 4.1.1 absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 4.1.2 operating range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 4.1.3 ac/dc characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 4.2 test circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 4.3 typical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 4.4 evaluation circuit for frequency response . . . . . . . . . . . . . . . . . . . 29
tda 6190 version 1.3 product description specification 7 2002-06-10 1 product description 1.1 overview the tda 6190x, tda 6190t and tda 6190s are bipolar integrated circuits for amplification and down conversion of modulated if signals used for dvb on cable or for terrestrial transmission. 1.2 features input frequency range of 30 to 70 mhz tda 6190x: automatic gain control with integrated peak agc detector tda 6190t, tda 6190s: external gain control for integrated variable gain amplifier tda 6190s: reduced output level output for adjustable delayed tuner agc integrated low noise vco circuitry with external varactor diode or crystal broadband outputs for the down converted if signal internal low noise reference voltage source full esd protection 1.3 application for use in tv or cable set-top receivers for d igital v ideo b roadcast.
tda 6190 version 1.3 product description specification 8 2002-06-10 1.4 package outlines p-dso_16.eps figure 1-1 package outline p-dso-16 p-dso-16
tda 6190 version 1.3 functional description specification 9 2002-06-10 2 functional description 2.1 pin configuration pin_config.wmf figure 2-1 pin configuration vref vcob2 vcoe2 vcoe1 vcob1 oscgnd out1 out2 tagcthr tunagc vs ifg nd if1 if2 gnd ifag c 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 tda 6190
tda 6190 version 1.3 functional description specification 10 2002-06-10 2.2 pin definitions and functions table 2-1 pin definition and function pin no. symbol equivalent i/o-schematic function 1 tagcthr tuner agc threshold; delayed tuner agc adjust input; if not required, connect to reference voltage vref 2 tunagc delayed tuner agc output; open npn transistor collector 3 vs supply voltage 4 ifgnd if input ground 5 if1 if input if1; balanced to if2 6 if2 if input if2; balanced to if1 7 gnd ground 8 tda 6190x ifagc if agc filter; automatic gain control filter pin, low voltage corresponds to maximum gain 8 tda 6190t, tda 6190s ifagc if amplifier gain control input pin, low voltage corresponds to maximum gain 9 out2 buffered mixer output out2; balanced to out1 10 out1 buffered mixer output out1; balanced to out2 11 oscgnd oscillator ground 12 vcob1 vco base 1; balanced to vcob2 13 vcoe1 vco emitter 1; balanced to vcoe2 14 vcoe2 vco emitter 2; balanced to vcoe1 15 vcob2 vco base 2; balanced to vcob1 16 vref reference voltage
tda 6190 version 1.3 functional description specification 11 2002-06-10 2.3 equivalent i/o schematic i_o_schematic.wmf figure 2-2 equivalent i/o schematic 10 11 12 13 14 15 16 vref vs if if ifgnd ifagc tunagc tagcthr gnd vcob2 out1 vcob1 vcoe2 vcoe1 oscgnd out2 9 1 2 3 4 5 6 7 8
tda 6190 version 1.3 functional description specification 12 2002-06-10 2.4 functional block diagram block_diag.wmf figure 2-3 block diagram tda 6190x: agc active tda 6190t, tda 6190s: agc disabled, external gain control voltage to pin 8 tagcthr tunagc vs ifg nd if1 if2 gnd ifag c vref vcob2 vcoe2 vcoe1 vcob1 oscgnd out1 out2 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 amp agc tuner agc osc mixer
tda 6190 version 1.3 functional description specification 13 2002-06-10 2.5 functional block description 2.5.1 power supply, reference voltage the 3.6 v low noise reference voltage vref is used as a reference for the adjustment of the delayed tuner agc. the reference voltage has a low temperature coefficient and high line regulation. 2.5.2 dvb-if input amplifier, agc the filtered if signal is fed to the balanced input pins if1 / if2 of the gain controlled amplifier, where it is amplified and then down converted to the output frequency signals. tda 6190x: the control voltage for the gain-controlled amplifier at pin ifagc is derived from a peak level detector at the down converted outputs. tda 6190t, tda 6190s: the control voltage for the gain-controlled amplifier at pin ifagc is applied from external source. if the ifagc control voltage level exceeds an adjustable value (tagcthr), a sink current at tunagc is generated which controls the tuner gain. 2.5.3 oscillator the symmetrical 4 pin voltage controlled oscillator feeds the mixer to generate the down converted dvb-if signals.the frequency of the vco is below or above the input frequency of the agc amplifier. the control voltage for the external varactor diode is derived from the dvb processor. 2.5.4 mixer and output buffers the mixer converts the filtered and amplified if signal down to the low if frequency. this frequency is fed to a balanced output pair out1 and out2.
tda 6190 version 1.3 application specification 14 2002-06-10 3application 3.1 evaluation board layout 6190lp3_2.pdf figure 3-1 evaluation board layout
tda 6190 version 1.3 application specification 15 2002-06-10 3.2 bill of material table 3-1 bill of material for application circuit 1 component type / value material / raster outline / case supplier ordering code nr. r01 10k 0805 s&m r02 10k 0805 s&m r03 10k 0805 s&m c01 100n x7r 0805 s&m c02 100n x7r 0805 s&m c03 100n x7r 0805 s&m c04 100n x7r 0805 s&m c05 100n x7r 0805 s&m c06 39p cog 0805 s&m c07 120p cog 0805 s&m c08 39p cog 0805 s&m c09 1n x7r 0805 s&m c10 1n x7r 0805 s&m c11 1f 5mm mkt s&m c12 100p cog 0805 s&m c13 4n7 x7r 0805 s&m tr01 10k potentiom. tr02 10k potentiom. saw01 x6966m saw filter s&m d01 bb814 var. diode l01 330nh filter adjust. toko t1369z ic01 tda6190x p-dso-16-1 infineon q67100-v2005 mechanical parts 1 x pcb 8 x soldering pin 1 mm (stocko) 1 x bnc-jack (pcb mounting)
tda 6190 version 1.3 application specification 16 2002-06-10 3.3 application circuit 1 (evaluation board) application_1.wmf figure 3-2 application circuit 1 (evaluation board) 10 11 12 13 14 15 16 vref vs if if ifgnd ifagc tunagc tagcthr gnd vcob2 out1 vcob1 vcoe2 vcoe1 oscgnd out2 9 1 2 3 4 5 6 7 8 tda 6190x, tda 6190t, tda 6190s 10k ? 100n 100n to tuner 4.5 ... 5.5 v saw filter 36 mhz 100n gain control voltage 39p 120p 39p 1n 1n 10k 10k 10k 330n vtune bb814 100p 100n
tda 6190 version 1.3 application specification 17 2002-06-10 3.4 application circuit 2 application_2.wmf figure 3-3 application circuit 2 10 11 12 13 14 15 16 vref vs if if ifgnd ifagc tunagc tagcthr gnd vcob2 out1 vcob1 vcoe2 vcoe1 oscgnd out2 9 1 2 3 4 5 6 7 8 tda 6190x, tda 6190t, tda 6190s 10k ? 100n 100n to tuner 4.5 ... 5.5 v saw filter 36 mhz 100n gain control voltage 15p 47p 15p 3.3k ? 100n 100n 42.67 mhz crystal: 3rd overtone, at cut
tda 6190 version 1.3 reference specification 18 2002-06-10 4 reference 4.1 electrical data 4.1.1 absolute maximum ratings ambient temperature under bias: t a = -40 to +85 c *) according to mil std 883d, method 3015.7 and eos/esd assn. standard s5.1 - 1993 all values are referred to ground (pin), unless stated otherwise. all ground pins must be connected externally. all currents flowing into the ic are positive, out of the ic are negative. warning the maximum ratings may not be exceeded under any circumstances, not even momentarily and individually, as permanent damage to the ic will result. table 4-1 absolute maximum ratings # parameter symbol limit values unit remarks min max 1 reference current i vref -10 1ma 2 tuner agc output v tunagc -0.3 13,2 v 3 ifagc v ifagc -0.3 vref v 4 if input v if1/if2 -0.3 4v 5 supply voltage v vs -0.3 6v 6 mixer outputs i out1 /out2 -5 1ma 7 vco v vco -0.3 4v 8 vco i vco -3 ma 9 tuner agc threshold v tagcthr -0.3 vref v 10 junction temperature t j 125 c 11 storage temperature t stg -40 125 c 12 thermal resistance r th sa 110 k/w 13 esd protection *) v esd -4 +4 kv hbm
tda 6190 version 1.3 reference specification 19 2002-06-10 4.1.2 operating range table 4-2 operating range # parameter symbol limit values unit test conditions item min max 1 supply voltage v vs 4.5 5.5 v 2 input frequency range of if amplifier (-3 db) f if1/if2 30 70 mhz 3 mixer output bandwidth (-1 db) b out1/ out2 11 mhz vco frequency range f vco 25 80 mhz depends on application ambient temperature t a -40 85 c this value is guaranteed by design.
tda 6190 version 1.3 reference specification 20 2002-06-10 4.1.3 ac/dc characteristics table 4-3 ac/dc characteristics with t a = 25 c, v s = 5 v # parameter symbol limit values unit test conditions item min typ max 1. power supply, reference voltage current consumption vs i vs 35 50 65 ma reference voltage vref v vref 3.3 3.6 3.8 v vref line regulation ? v ref line 30 mv v vs = 4.5 to 5.5 v vref load regulation ? v ref load 30 mv i vref = -0.5 to 0.5ma vref vs temperature ? v ref temp -30 10 30 mv t a = 0 to 70 c 2. dvb-if input amplifier, agc static characteristics if input voltage v if1/if2 3.2 3.6 3.9 v ifagc voltage (agc min = gain max ) v ifagcgmax 0 0.5 v ifagc voltage (agc max = gain min ) v ifagcgmin 2.5 3.9 v tuner agc threshold active v tagcthr 0 2.0 v tuner agc threshold disable v tagcthrdis 3.0 v vs v tuner agc threshold current i tagcthr -1 1 a v tagcthr = 0 v tuner agc output current i tunagcon 2.5 3.5 5ma v tunagc = 0.5 v; v ifagc =1.5v; v tagcthr = 1v tuner agc output current i tunagcoff 0 10 a v tunagc = 13.2 v; v ifagc =1.5v; v tagcthr = 2v
tda 6190 version 1.3 reference specification 21 2002-06-10 table 4-3 ac/dc characteristics with t a = 25 c, v s = 5 v (cont?d) # parameter symbol limit values unit test conditions item min typ max dynamic characteristics minimum if input level (max. gain) v min if1/if2 f if1/if2 = 36 mhz(sine); v ifagc = 0.4 v 40 44 48 db v tda 6190x: v out 1 -v out2 set to 2 x 1v pp 42 45 48 db v tda 6190t: v out 1 -v out2 set to 2 x 1v pp tda 6190s: v out1 -v out2 set to 2 x 560mvpp maximum if input level (min. gain) v max if1/if2 f if1/if2 = 36 mhz(sine); v ifagc = 2.4 v 88 92 96 db v tda 6190x: v out 1 -v out2 set to 2 x 1v pp 90 93 96 db v tda 6190t: v out1 -v out2 set to 2 x 1v pp tda 6190s: v out1 -v out2 set to 2 x 560mvpp input impedance r if1/if2 c if1/if2 1.5 2.0 1.5 2.5 k ? pf balanced input maximum slope of delayed tuner agc ? i tunagc / ? v ifagc 27 40 54 ma/v v ifagc =1.8 to 2.1v v tagcthr =1.9v v tunagc =0.5v
tda 6190 version 1.3 reference specification 22 2002-06-10 table 4-3 ac/dc characteristics with t a = 25 c, v s = 5 v (cont?d) # parameter symbol limit values unit test conditions item min typ max 3. oscillator static characteristics vco voltage v vcob1/ vcob2 2.1 2.4 2.7 v dynamic characteristics vco input admittance a y=g+jb vco, 39/120/39pf real part g vcob1/ b2 -1.3 ms f vco = 25 mhz imag. part b vcob1/ b2 1.8 ms f vco = 25 mhz real part g vcob1/ b2 -1.9 ms f vco = 55 mhz imag. part b vcob1/ b2 5.8 ms f vco = 55 mhz oscillator level v vcob1/b2 107 db v f vco = 43 mhz oscillator range f vco 25 80 mhz depends on application oscillator frequency variation range ? f vco 46 mhz application circuit 1 v tune = 0.5 to 3 v oscillator phase noise @ 10 khz ? vco -105 dbc/ hz application circuit 1 f vco = 43 mhz
tda 6190 version 1.3 reference specification 23 2002-06-10 table 4-3 ac/dc characteristics with t a = 25 c, v s = 5 v (cont?d) # parameter symbol limit values unit test conditions item min typ max 4. mixer, output buffers static characteristics demodulator output dc level tda 6190x, tda 6190t v out1/ out2 v vs - 2.5 v vs - 2.0 v vs - 1.5 v demodulator output dc level tda 6190s v out1 / out2 v vs - 2.3 v vs - 1.8 v vs - 1.3 v demodulator output sink current i out1 / out2 1.4 2.0 2.8 ma dynamic characteristics tda 6190t: output voltage v out1 -v out2 set to 2 x 1vpp tda 6190s: output voltage v out1 -v out2 set to 2 x 560mvpp tda 6190x: demodulator ac output voltage v out1 0.9 1.0 1.1 v pp f if = 36 mhz; f vco = 43 mhz; r l 10 k ? ;cl 10pf; v if1/if2 = 60db v tda 6190x: demodulator ac output voltage v out2 0.9 1.0 1.1 v pp f if = 36 mhz; f vco = 43 mhz; r l 10 k ? ; cl 10 pf; v if1/if2 = 60db v mixer output bandwidth ( -1 db ) b out1/ b out2 11 mhz f vco = 43 mhz; r l 10 k ? ; cl 10 pf; v if1/if2 = 60db v intermodulation a im 45 48 db f vco = 43 mhz; r l 10 k ? ; cl 10 pf; v f 1 =v f 2 =60 db v f 1 if1/if2 =37 mhz; f 2 if1/if2 =38 mhz; out1/out2:balanced harmonic distortionthd -60 -50 db f vco = 43 mhz; r l 10 k ? ; cl 10 pf; v if1/if2 = 70 db v f if1/if2 = 39.5 mhz out1/out2:balanced buffer output impedance r out1 25 100 ? f out1/out2 = 11 mhz buffer output impedance r out2 25 100 ? f out1/out2 = 11 mhz this value is guaranteed by design.
tda 6190 version 1.3 reference specification 24 2002-06-10 4.2 test circuit test_circuit1.wmf figure 4-1 test circuit 10 11 12 13 14 15 16 vref vs if if ifgnd ifagc tunagc tagcthr gnd vcob2 out1 vcob1 vcoe2 vcoe1 oscgnd out2 9 1 2 3 4 5 6 7 8 tda 6190x, tda 6190t, tda 6190s 100n 100n to tuner 4.5 ... 5.5 v 100n g ain c ontrol voltage 39p 120p 39p 1.5n 1.5n 1.2k 1.2k 1.2k 330n from dac of dvb-processor bb814 100p 100n 100n 4.7 10n 10n 51 ? tp101
tda 6190 version 1.3 reference specification 25 2002-06-10 4.3 typical characteristics tda6190xts_convgain.pdf tda6190xts_s2n.pdf tda 6190 conversion gain, balanced input to balanced output ifagc(v) 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 (db) 10.0 20.0 30.0 40.0 50.0 60.0 70.0 80.0 (db) : ifagc(v) gain tda 6190x, tda 6190t gain tda 6190s tda 6190 signal to noise ratio s/n, signal: continuous sine wave, noise: 8mhz bandwidth (db) 0.0 10.0 20.0 30.0 40.0 50.0 60.0 vinput(dbuv) 40.0 45.0 50.0 55.0 60.0 65.0 70.0 75.0 80.0 85.0 90.0 95.0 100.0 0.105k 0.11k 0.115k (db) : vinput(dbuv) s/n, test circuit s/n, application circuit with filter s+m x6966m
tda 6190 version 1.3 reference specification 26 2002-06-10 tda6190_currentconsumption.pdf tda6190_lineregulation.pdf tda6190 typical current consumption, maximum gain (ma) 0.0 10.0 20.0 30.0 40.0 50.0 60.0 vs(v) 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 (ma) : vs(v) ivs tda6190 line regulation vs(v) 4.0 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 4.9 5.0 5.1 5.2 5.3 5.4 5.5 5.6 5.7 5.8 5.9 6.0 (v) 3.3 3.35 3.4 3.45 3.5 3.55 3.6 3.65 3.7 3.75 3.8 (v) : vs(v) vref
tda 6190 version 1.3 reference specification 27 2002-06-10 tda6190_loadregulation.pdf tda6190_frequencyresponse.pdf tda6190 vref load regulation (v) 3.3 3.35 3.4 3.45 3.5 3.55 3.6 3.65 3.7 3.75 3.8 ivref(ma) -10.0 -9.0 -8.0 -7.0 -6.0 -5.0 -4.0 -3.0 -2.0 -1.0 0.0 1.0 (v) : ivref(ma) vref tda6190 frequency response with saw filter (db) -40.0 -35.0 -30.0 -25.0 -20.0 -15.0 -10.0 -5.0 0.0 5.0 10.0 f(hz) 2meg 4meg 6meg 8meg 10meg 12meg (db) : f(hz) out/out@7mhz
tda 6190 version 1.3 reference specification 28 2002-06-10 tda6190_tuneragc.pdf tda6190 tuner agc output current, tagcthr=1.5v, tunagc=0.5v (ma) 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 ifagc(v) 1.4 1.45 1.5 1.55 1.6 1.65 1.7 1.75 1.8 1.85 1.9 (ma) : ifagc(v) itunagc
tda 6190 version 1.3 reference specification 29 2002-06-10 4.4 evaluation circuit for frequency response eval_1.wmf figure 4-2 evaluation circuit 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 vref vs if if ifgnd ifagc tunagc tagcthr 4.5...5.5 v to tuner gnd vcob2 out1 vcob1 vcoe2 vcoe1 10 k ? ? ? ? external oscillator signal sine wave 100dbv 1n 100p oscgnd out2 10n 100n 100n gain control voltage tda 6190x, tda 6190t, tda 6190s 100n 100n 10n 51 ? ? ? ? input from 50 ? ? ? ? 1n 10n 27k 2.7k 51 ? ? ? ? output -40db to 50 ?
tda 6190 version 1.3 reference specification 30 2002-06-10 tda6190_fr_input.pdf tda6190_fr_output.pdf tda6190x typical input frequency response, single ended output 111dbuv-40db attenuation, fout=7mhz, external: oscillator 100dbu v and ifagc (dbuv) 66.0 67.0 68.0 69.0 70.0 71.0 72.0 input frequency(mhz) 0.0 10.0 20.0 30.0 40.0 50.0 60.0 70.0 80.0 90.0 100.0 (dbuv) : input frequency(mhz) input 94dbuv, ifagc=2.4v input 44dbuv, ifagc=0.4v tda6190 typical output frequency response without saw filter, input 92dbuv fin=36mhz, external ifagc, external oscillator 100db uv (db) -20.0 -19.0 -18.0 -17.0 -16.0 -15.0 -14.0 -13.0 -12.0 -11.0 -10.0 -9.0 -8.0 -7.0 -6.0 -5.0 -4.0 -3.0 -2.0 -1.0 0.0 1.0 output frequency(mhz) 0.0 5.0 10.0 15.0 20.0 25.0 30.0 35.0 40.0 45.0 50.0 level: -3.0 level: -1.0 x: 18.904 x: 24.182 (43.0, -19.041) (db) : output frequency(mhz) output / output @ 7mhz

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