View AN8934FA_8316400.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

ics for tv 1 AN8934FA video signal processing and qpsk demodulation ic for bs/cs broadcasting overview the AN8934FA is a single chip ic integrating video signal processing, qpsk demodulation, changeover switches of detection and bit-stream signals for bs/cs broadcasting. features ? 4.5 mhz l.p.f. for video and 5.7 mhz b.p.f. for sound built-in ? c/n detection circuit built-in ? changeover between external input and internal signal of detection and bit-stream signals ? 2 systems of detection output (capable of 75 ? drive) and 1 system of bit-stream output (capable of 75 ? drive) ? bit-stream signal detection circuit of external in- put built-in ? one crystal for base band signal processing block due to a joint use with pcm processing ic mn88831. (18.432 mhz) applications ? bs/cs tuner built-in tv and vcr qfp048-p-1010c unit: mm 0.65 12 0.30 +0.10 ? 0.05 (14.25) 1 13 24 48 37 36 25 (1.425) 10.00 0.20 12.00 0.20 seating plane 1.95 0.20 0.10 0.10 10.00 0.20 12.00 0.20 0.50 0.20 0 to 10 (1.00) 0.15 + 0 .1 0 ? 0 .0 5 maintenance/ discontinued maintenance/discontinued includes following four product lifecycle stage. planed maintenance type maintenance type planed discontinued typed discontinued type please visit following url about latest information. http://www.semicon.panasonic.co.jp/en/
AN8934FA ics for tv 2 block diagram qpsk v cc n.c. 36 35 34 33 32 31 30 29 28 27 26 25 agc c/n out video out sw1 1 2 3 4 5 6 7 8 9 10 11 12 sw2 external det in video mute det adj. external bit stream in 3 v ref. c/n adj. bit stream out cs/bs det out for jsb scc/jcsat/afc ctrl. video v cc 24 23 22 21 20 19 video gnd 18 17 16 15 bit stream detector 14 det out for muse 13 q out 37 comp. costas cr ref. p. d . vco2 agc n.r. 500 khz l.p.f. non linear noise amp. i out 38 qpsk/clk gnd 39 clk out 40 pd in 41 vco out 42 vco in 43 clk v cc 44 internal bit stream in 45 nr sw 46 unswitch v cc 47 bb in 48 500 khz l.p.f. pulse clamp2 pulse clamp1 4.5 mhz l.p.f. 5.7 mhz b.p.f. 9 mhz b.p.f. vco1 1/8 1/6 reg. bs/cs afc bit det p. d . vco video pin no. description 1 detection output changeover 1 2 detection output changeover 2 3 external detection signal input 4 video output mute 5 input amp. gain adjustment 6 external bit-stream input 7 reference voltage 8 c/n detection voltage adjustment 9 bit-stream output pin no. description 10 bs/cs mode changeover 11 cs mode changeover / afc control 12 detection output 1 13 detection output 2 14 bit-stream detection 15 detection output 3 16 filter reference 17 4.5 mhz l.p.f. input 18 gnd (video system) pin descriptions maintenance/ discontinued maintenance/discontinued includes following four product lifecycle stage. planed maintenance type maintenance type planed discontinued typed discontinued type please visit following url about latest information. http://www.semicon.panasonic.co.jp/en/
ics for tv an 8934fa 3 pin no. description 19 4.5 mhz l.p.f. output 20 pulse clamp input 1 21 pulse clamp reference 22 video amp. output 23 pulse clamp input 2 24 supply voltage (video system) 25 video signal output 26 c/n detection voltage output 27 eye-pattern output q 28 eye-pattern input q 29 qpsk agc 30 eye-pattern input i 31 eye-pattern output i 32 n.c. 33 vco phase error voltage output pin no. description 34 costus output ( + ) 35 costus output ( ? ) 36 supply voltage (qpsk) 37 data output q 38 data output i 39 gnd (qpskclock) 40 data clock output 41 data lock phase error voltage input 42 data clock vco output 43 data clock vco input 44 supply voltage (clock) 45 internal bit-stream input 46 noise reduction switch 47 supply voltage (input amp.) 48 internal detection signal input pin descriptions (continued) absolute maximum ratings parameter symbol rating unit supply voltage v cc 5.7 v supply current i cc 136 ma power dissipation * 2 p d 431 mw operating ambient temperature * 1 t opr ? 20 to + 85 c storage temperature * 1 t stg ? 55 to + 150 c note) * 1: except for the operating ambient temperature and storage temperature, all ratings are for t a = 25 c. *2 : the power dissipation shown is the value for t a = 80 c. for the independent ic without a heat sink. recommended operating range parameter symbol range unit supply voltage v cc 4.5 to 5.5 v maintenance/ discontinued maintenance/discontinued includes following four product lifecycle stage. planed maintenance type maintenance type planed discontinued typed discontinued type please visit following url about latest information. http://www.semicon.panasonic.co.jp/en/
AN8934FA ics for tv 4 electrical characteristics at t a = 25 c parameter symbol conditions min typ max unit supply current i tot no signal, all of v cc are 5 v 60 92 120 ma standby current i std no signal, v cc (pin 47) = 5 v, other 20 33 41 ma v cc ( pin 24, 36, 44) = 0 v input amp. gain int.1 g 12a1 input is pin 48 (v in48 = 0.7 v[p-p], 1 mhz) 78.510db output is pin 12 (v in6 = 0.5 v[p-p], 2 mhz square-wave) input amp. gain int.2 ? g 12a2 v in48 = 0.7 v[p-p], 8.5 mhz ? 0.8 ? 0.3 0.2 db difference from g 12a1 (v in6 = 0.5 v[p-p], 2 mhz square-wave) input amp. gain int.3 ? g 12a3 v in48 = 0.7 v[p-p], 1 mhz (18 mhz) ? 0.8 ? 0.5 ? 0.2 db difference from g 12a1 (v in6 = 0.5 v[p-p], 2 mhz square-wave) input amp. gain int.4 ? g 12a4 v in48 = 0.7 v[p-p], 1 mhz (15.8 mhz) 0.34 0.64 0.94 db difference from g 12a1 (v in6 = 0.5v[p-p], 2 mhz square-wave) input amp. gain int.5 ? g 12a5 v in48 = 0.7 v[p-p], 1 mhz (min.) ?? 30 ? 10 db difference from g 12a1 (v in6 = 0.5v[p-p], 2 mhz square-wave) input amp. gain int.6 ? g 12a6 v in48 = 0.7 v[p-p], 1 mhz ? 10 1db difference from g 12a1 (v in6 = no input) input amp. gain int.7 ? g 13a1 v in48 = 0.7 v[p-p], 1 mhz, output is pin 13 ? 10 1db difference from g 12a1 (v in6 = 0.5v[p-p], 2 mhz square-wave) input amp. gain int.8 ? g 13a2 v in48 = 0.7 v[p-p], 1 mhz, output is pin 13 ? 10 1db difference from g 12a1 (v in6 = no input) input amp. gain int.9 ? g 15(1) v in48 = 0.7 v[p-p], 1 mhz, output is pin 15 ? 10 1db difference from g 12a1 (v in6 = 0.5v[p-p], 2 mhz square-wave) input amp. gain ext.1 g 12b1 input is pin 3 (v in3 = 0.7 v[p-p], 1 mhz) 5 6 7 db output is pin 12 (v in6 = 0.5 v[p-p], 2 mhz square-wave) input amp. gain ext.2 ? g 12b2 v in3 = 0.7 v[p-p], 8.5 mhz ? 0.8 ? 0.3 0.2 db difference from g 12b1 (v in6 = 0.5v[p-p], 2 mhz square-wave) input amp. gain ext.3 ? g 13b1 v in3 = 0.7 v[p-p], 1 mhz, output is pin 13 ? 10 1db difference from g 12b1 (v in6 = 0.5v[p-p], 2 mhz square-wave) 4.5mhz l.p.f. gain 1 g 19(1) v in17 = 0.4 v[p-p], 0.1 mhz ? 1 ? 0.3 0.4 db 4.5mhz l.p.f. ? g 19(1) v in17 = 0.4 v[p-p], 2.5 mhz ? 2.2 ? 1.5 ? 0.8 db frequency characteristic 1 difference from g 19(1) 4.5mhz l.p.f. ? g 19(2) v in17 = 0.4 v[p-p], 4.2 mhz ? 5.5 ? 3.5 ? 1db frequency characteristic 2 difference from g 19(1) maintenance/ discontinued maintenance/discontinued includes following four product lifecycle stage. planed maintenance type maintenance type planed discontinued typed discontinued type please visit following url about latest information. http://www.semicon.panasonic.co.jp/en/
ics for tv an 8934fa 5 electrical characteristics at t a = 25 c (continued) parameter symbol conditions min typ max unit 4.5mhz l.p.f. ? g 19(3) v in17 = 0.4 v[p-p], 4.5 mhz ? 8.5 ? 4 ? 1db frequency characteristic 3 difference from g 19(1) 4.5mhz l.p.f. ? g 19(4) v in17 = 0.4 v[p-p], 5.73 mhz ?? 50 ? 35 db frequency characteristic 4 difference from g 19(1) 4.5mhz l.p.f. group delay ? gd 19 v in17 = 0.4 v[p-p], difference of ? 70 0 70 ns group delay from 0.1 mhz to 3.58 mhz video amp. gain 1 g 22(1) v in20 = 0.4 v[p-p], 0.1 mhz 13.4 14 14.6 db video amp. gain 2 ? g 22(2) v in20 = 0.4 v[p-p], 4.5 mhz ? 0.6 ? 0.2 0.2 db difference from g 22(1) video amp. gain 3 g 22(3) v in20 = 0.4 v[p-p], 0.1 mhz ?? 40 ? 35 db video amp. n.r. characteristic ? g 22(4) v in20 = 0.02 v[p-p], 4.5 mhz ? 6.5 ? 4.5 ? 2.5 db difference from g 22(2) c/n detection voltage 1 v 26(1) when v in48 = 63.4 mv and 8.9 mhz, ? 0.5 1.8 v adjust v 8 so as to get v 26 = 2.5 0.05 v and measure at v in48 = 0.2 mv[p-p] and 8.9 mhz c/n detection voltage 2 v 26(2) when v in48 = 63.4 mv and 8.9 mhz, 3.7 4.3 ? v adjust v 8 so as to get v 26 = 2.5 0.05 v and measure at v in48 = 31.8 mv[p-p] and 8.9 mhz video system total check v 25 input signal (pin 48) is bs signal of 1.8 2 2.2 v[p-p] white 100% and input amp. gain is 6 db bit-stream output voltage int. v 9a1 v in45 = 0.5 v[p-p], 2 mhz square-wave 0.84 1 1.16 v[p-p] bit-stream output voltage ext. ? v 9b1 v in6 = 0.5 v[p-p], 2 mhz square-wave 0.84 1 1.16 v[p-p] bit-stream detection voltage 1 v 14(1) v in6 = 0.1 v[p-p], 2 mhz square-wave ? 0.1 1 v bit-stream detection voltage 2 v 14(2) v in6 = 0.3 v[p-p], 2 mhz square-wave 4 4.9 ? v afc control 1 v 11(1) v in6 = 0.5 v[p-p], 2 mhz square-wave ? 0.1 1 v afc control 2 v 11(2) v in6 = 0.5 v[p-p], 2 mhz square-wave 4 4.9 ? v afc control 3 v 11(3) v in6 = no input 4 4.9 ? v qpsk phase detection output 1 v 27 v in48 = 0.4 v[p-p], 5.7273mhz + 0.05mhz 0.45 0.6 0.75 v[p-p] qpsk phase detection output 2 ? v 31 v in48 = 0.4 v[p-p], 5.7273mhz + 0.05mhz ? 0.8 0 0.8 db difference between measured v 31 and v 27 qpsk b.p.f./l.p.f. ? v 27b difference between v 27 at v in48 = 0.4 v[p-p], ?3.7 ?2 ? 0.2 db frequency characteristic 1 6.2273 mhz, f 27 = 0.5 mhz and that at f in48 = 5.7773 mhz qpsk b.p.f./l.p.f. ? v 27c difference between v 27 at v in48 = 0.4 v[p-p], ? ?18 ?10 db frequency characteristic 2 6.7273 mhz, f 27 = 0.5 mhz and that at f in48 = 5.7773 mhz qpsk b.p.f./l.p.f. ? v 27d difference between v 27 at v in48 = 0.4 v[p-p], ?6 ?4 ?1.8 db frequency characteristic 3 5.2273 mhz, f 27 = 0.5 mhz and that at f in48 = 5.7773 mhz maintenance/ discontinued maintenance/discontinued includes following four product lifecycle stage. planed maintenance type maintenance type planed discontinued typed discontinued type please visit following url about latest information. http://www.semicon.panasonic.co.jp/en/
AN8934FA ics for tv 6 electrical characteristics t a = 25 c (continued) parameter symbol conditions min typ max unit qpsk b.p.f./l.p.f. ? v 27e difference between v 27 at v in48 = 0.4 v[p-p], ? ?20 ?15 db frequency characteristic 4 4.7273 mhz, f 27 = 0.5 mhz and that at f in48 = 5.7773 mhz qpsk b.p.f./l.p.f. ? v 27f difference between v 27 at v in48 = 0.4 v[p-p], ? ?40 ?36 db frequency characteristic 5 3.58 mhz, f 27 2.15 mhz and that at f in48 = 5.7773 mhz capture range 1 cr + input signal (pin 48) is qpsk 20 115 ? khz capture range 2 cr ? input signal (pin 48) is qpsk ?? 115 ? 20 khz data output h v h v 37 and v 38 voltages at v 28 and v 30 = 3.5 v 3.5 4.1 ? v data output l v l v 37 and v 38 voltages at v 28 and v 30 = 2.9 v ? 0.9 1.5 v clock free-run frequency ? f 40 difference between f 40 at v 41 = 1/2 v cc ? 0.35 0.55 1.45 khz ( = 2.5 v) and 18.432 mhz clock output v 40 v 41 = 1/2 v cc ( = 2.5 v) 1.1 1.5 ? v[p-p] clock frequency adjustment ( + ) ? f 40( + ) difference between f 40( + ) at v 41 = 4 v 3.2 3.7 ? khz and 18.432 mhz clock frequency adjustment ( ? ) ? f 40( ? ) difference between f 40( ? ) at v 41 = 1 v ?? 6.3 ? 4 khz and 18.432 mhz switch changeover voltage h v sw-h changeover voltage to set pin 1, pin 2, 4 5 ? v pin 4, pin 10, pin 11, pin 46 to high-level switch changeover voltage l v sw-l changeover voltage to set pin 1, pin 2, ? 01v pin 4, pin 10, pin 11, pin 46 to low-level ? design reference data note) the characteristics listed below are theoretical values based on the ic design and are not guaranteed. parameter symbol conditions min typ max unit dg dg 2 v[p-p] at v ()23 and apl = 10, 50, 90% 1.8 3 % dp dp 2 v[p-p] at v ()23 and apl = 10, 50, 90% 1.8 3 c dispersal rejection factor r dis ? f = 3 mhz, f dis = 30 hz ? 50 ? 45 db video luminance s/n s/n using h.p.f. 10 khz and l.p.f. 4.2 mhz 56 50 db unweighted input amp. separation 1 ? g 12 difference between v 12 at inputting (1 mhz) ?55 ?45 db to v in48 for v 2 = low or inputting to v in3 for v 2 = high and g 12a1. (75 ohm termination) input amp. separation 2 ? g 13 difference between v 13 at inputting (1 mhz) ?55 ?45 db to v in48 for v 2 = low or inputting to v in3 for v 2 = high and g 13a1. (75 ohm termination) bit-stream separation 1 ? g 9(1) v 2 = 1 v, v 6 = 3.5 v input is pin 45 ?55 ?45 db (v in45 = 0.5 v[p-p], f in45 = 2 mhz square-wave) bit-stream separation 2 ? g 9(2) v 2 = 4 v, input is pin 6 ?55 ?45 db (v in6 = 0.5 v[p-p], f in6 = 2 mhz square-wave) maintenance/ discontinued maintenance/discontinued includes following four product lifecycle stage. planed maintenance type maintenance type planed discontinued typed discontinued type please visit following url about latest information. http://www.semicon.panasonic.co.jp/en/
ics for tv an 8934fa 7 pin no. equivalent circuit impedance ( ? ) description dc voltage (v) 1 100 k switches output of pin 13 (detection output 2). 0 pin 13 outputs the input signal from pin 3 at low-level and pin 48 at high-level. open will do for low-level. 2 100 k switches output of pin 12 (detection output 1) 0 and pin 9 (bit-stream output) pin 12 and pin 9 output the input signal from pin 3, pin6 at low-level and pin 48, pin 45 at high-level respectively. open will do for low-level. 3 50 k external input pin of base-band signal 2.5 ( 10 % ) to input amp. input level min. 0.62, typ. 0.67, max. 0.72 v[p-p] 4 180 k mute switch of video signal 5 low-level: normal operation high-level: video signal mute open will do for high-level. 5 125 k adjusts the gain of input amp. with this 1.5 pin from 0 v to 3 v. possible to adjust only the signal inputted from pin 48. 6 40 k input pin of bit-stream 2.75 ( 10 % ) input level min. 0.4, typ. 0.5, max. 0.6 v[p-p] 7 0 reference voltage pin for gain 3 adjustment volume 60 k ? 40 k ? 1 60 k ? 40 k ? 2 100 k ? 100 k ? 3 126 k ? 4 54 k ? 50 k ? 50 k ? 5 7 100 k ? 40 k ? 2.75 v 6 200 ? 100 k ? 1.8 k ? 7 terminal equivalent circuits maintenance/ discontinued maintenance/discontinued includes following four product lifecycle stage. planed maintenance type maintenance type planed discontinued typed discontinued type please visit following url about latest information. http://www.semicon.panasonic.co.jp/en/
AN8934FA ics for tv 8 terminal equivalent circuits (continued) pin no. equivalent circuit impedance ( ? ) description dc voltage (v) 8 105 k adjustment pin of c/n detection voltage 1.5 (to be adjusted in 0 v to 3 v) 9 13 output pin of bit-stream signal 2.6 ( 20 % ) capable of 75 ? drive output level min. 0.8, typ. 1, max. 1.2 v[p-p] 10 125 k gain switch between bs and cs 3.3 low-level: bs high-level: cs open will do for high-level. 11 150 k switch to cs broadcasting satellite 3.3 (gain) at pin 10 high-level low-level: 18 mhz[p-p] (scc) high-level: 15.8 mhz[p-p] (jcsat) open will do for high-level. this pin becomes afc control pin at pin 10 low-level and low-level at pin 1 low-level and high-level at pin 1 high-level. 12 0 output pin of input amp. 2.5 13 (10 ? or less) capable of 75 ? drive output level min. 0, typ. 1.34, max. 2 v[p-p] 14 ? when a bit-stream signal is inputted to ? pin 6, current flows. (open collector) use this pin by connecting a resistor of 5 k ? or more between this pin and gnd. 50 k ? 50 k ? 7 60 k ? 8 20 k ? 9 100 k ? 10 25 k ? 2.5 v 200 ? 100 k ? 11 50 k ? pin 12, pin 13 200 ? 14 maintenance/ discontinued maintenance/discontinued includes following four product lifecycle stage. planed maintenance type maintenance type planed discontinued typed discontinued type please visit following url about latest information. http://www.semicon.panasonic.co.jp/en/
ics for tv an 8934fa 9 terminal equivalent circuits (continued) pin no. equivalent circuit impedance ( ? ) description dc voltage (v) 15 20 output pin of input amp. 2.5 ( 20 % ) output level min. 0, typ. 1.34, max. 2 v[p-p] the signal which is inputted from pin 48 is always outputted from this pin. 16 200 reference pin for automatic adjustment 3.3 of each filter 17 270 k input pin of 4.5 mhz l.p.f 2.2 input level min. 0.35, typ. 0.4, max. 0.6 v[p-p] 18 ?? ? ? 19 20 output pin of 4.5 mhz l.p.f 2.2 output level min. 0.35, typ. 0.4, max. 0.42 v[p-p] 20 input pin for clamp circuit of first stage 1.2 and video amp. input level (luminance signal level) min. 0, typ. 0.4, max. 0.6 v[p-p] 21 600 reference pin for pulse sampling in 3.2 pulse clamp circuit to filter 15 200 ? 16 270 k ? 2.2 v 17 100 ? 19 1.2 v 20 200 ? 400 k ? 500 ? 100 ? 500 ? 21 maintenance/ discontinued maintenance/discontinued includes following four product lifecycle stage. planed maintenance type maintenance type planed discontinued typed discontinued type please visit following url about latest information. http://www.semicon.panasonic.co.jp/en/
AN8934FA ics for tv 10 terminal equivalent circuits (continued) pin no. equivalent circuit impedance ( ? ) description dc voltage (v) 22 30 output pin of video amp. 0.6 ( 20 % ) capacitance coupling with pin 23. output level (luminance signal level) min. 1.6 , typ. 2, max. 2.35 v[p-p] 23 input pin to second stage clamp circuit 1.3 input level (luminance signal level) min. 0, typ. 2, max. 2.35 v[p-p] 24 ?? should be same potential as pin 36 ? (qpsk supply voltage). 25 130 output pin of video signal 1.3 ( 20 % ) output level (luminance signal level) min. 1.65, typ. 2, max. 2.35 v[p-p] 26 43.2 k taking out a noise level of 8.9 mhz and 5 ( 20 % ) proximity as c/n det. voltage. 27 400 output pin of eye pattern 2.7 31 make a.c. coupling between pin 27 and pin 28, and pin 31 and pin30 output level min. 0.5, typ. 0.65, max. 0.8 v[p-p] 28 15 k input pin of eye pattern 3.2 30 input to comparator and carrier phase comparator. input level min. 0.5, typ. 0.65, max. 0.8 v[p-p] 50 ? 22 1 k ? 23 25 100 ? 43.2 k ? 100 ? 26 50 ? 500 ? pin 27, pin 31 15 k ? 3.2 v pin 28, pin 30 200 ? maintenance/ discontinued maintenance/discontinued includes following four product lifecycle stage. planed maintenance type maintenance type planed discontinued typed discontinued type please visit following url about latest information. http://www.semicon.panasonic.co.jp/en/
ics for tv an 8934fa 11 terminal equivalent circuits (continued) pin no. equivalent circuit impedance ( ? ) description dc voltage (v) 29 250 peak-hold pin of qpsk agc 2.4 32 ?? no connection inside the ic ? 33 50 output pin of vco phase error voltage 2.5 connect a lag-lead filter between this pin and pin34, pin 35. 34 6.6 k output pin of qpsk costus loop 4.7 35 36 ?? ? ? 37 100 output pin of i, q data ? 38 ( 20 % ) connect to pcm decoder. output level min. 2, typ. 3.2, max. 5 v[p-p] 39 ?? ? ? 40 20 output pin of data clock (18.4 mhz) 3.3 ( 20 % ) output level min. 1.1, typ. 1.5, max. 2 v[p-p] 250 ? 500 ? 29 100 ? 100 ? 33 1 m ? 6.6 k ? 200 ? pin 34, pin 35 pin 37, pin 38 200 ? 200 ? 50 ? 50 ? 40 maintenance/ discontinued maintenance/discontinued includes following four product lifecycle stage. planed maintenance type maintenance type planed discontinued typed discontinued type please visit following url about latest information. http://www.semicon.panasonic.co.jp/en/
AN8934FA ics for tv 12 terminal equivalent circuits (continued) pin no. equivalent circuit impedance ( ? ) description dc voltage (v) 41 100 k input phase error (pd signal) of pcm 2.5 decoder through a lag-lead filter enables input voltage 0 v to v cc 42 20 output pin of data clock vco (18.4 mhz) 1.8 insert a crystal resonator between this pin and pin 42 output level min. 0.5, typ. 1, max. 1.5 v[p-p] 43 8.3 k input pin of data clock vco 3.3 input level min. 0.4, typ. 0.6, max. 0.8 v[p-p] 44 ?? ? ? 45 52 k input pin of bit-stream ? ( 10 % ) input level min. 0.4, typ. 0.5, max. 0.6 v[p-p] 46 80 k switch of noise reduction (nr) 3.2 low-level: nr off high-level: nr on open will do for high-level. 47 ?? ? ? 48 45 k internal input pin of base-band signal 3.3 to input amp. input level min. 0.5, typ. 0.67, max. 2.2 v[p-p] 50 ? 42 8.2 k ? 3.3 v 100 ? 43 200 ? 45 40 k ? 40 k ? 46 7 45 k ? 3.3 v 100 ? 48 200 ? 41 maintenance/ discontinued maintenance/discontinued includes following four product lifecycle stage. planed maintenance type maintenance type planed discontinued typed discontinued type please visit following url about latest information. http://www.semicon.panasonic.co.jp/en/
ics for tv an 8934fa 13 technical data ? on the frequency characteristics of 4.5 mhz l.p.f. frequency characteristics of 4.5 mhz l.p.f. (frequency characteristics from pin 17 to pin 19 of this ic) is shown roughly in figure 1. shown in figure 3 is the frequency characteristics to be obtained when de-emphasis filter is connected in front of this l.p.f. (figure 2). shown in figure 4 is the frequency characteristics to be obtained when resistor of de-emphasis filter is changed from 390 ? to 470 ? . thus, frequency characteristics of 4.5 mhz l.p.f. can be changed, resulting from changing the frequency characteristics of de-emphasis. 0 -18 -16 -14 -12 -10 -8 -6 -4 -2 340 360 380 400 420 440 460 480 500 0 520 db (gain) nsec (group delay) db nsec db nsec 12345mhz 0 -18 -16 -14 -12 -10 -8 -6 -4 -2 340 360 380 400 420 440 460 480 500 0 520 12345mhz 0 -18 -16 -14 -12 -10 -8 -6 -4 -2 340 360 380 400 420 440 460 480 500 0 520 12345mhz 15 17 l.p.f. 1.5 k ? 0.22 f 19 390 ? r 470 pf figure 1. 4.5 mhz l.p.f. frequency characteristics (pin 17 pin 19) de-emphasis filter figure 3. frequency characteristics of figure 2. (r = 390 ? ) gain group delay figure 2. de-emphasis filter connection circuit (gain) (group delay) (gain) (group delay) figure 4. frequency characteristics of figure 2. (r = 470 ? ) gain group delay gain group delay maintenance/ discontinued maintenance/discontinued includes following four product lifecycle stage. planed maintenance type maintenance type planed discontinued typed discontinued type please visit following url about latest information. http://www.semicon.panasonic.co.jp/en/
AN8934FA ics for tv 14 p d ? t a curves of qfp048-p-1010c p d ? t a 100 0 0 25 50 75 100 125 150 200 300 400 500 600 700 800 828 900 1000 1100 1200 1300 1400 1500 1524 1600 independent ic without a heat sink r th(j-a) = 151 c/w p d = 828 mw (25 c) mounted on standard board (glass epoxy: 75 mm 75 mm t0.8 mm) r th(j-a) = 82 c/w p d = 1 524 mw (25 c) power dissipation p d (mw) ambient temperature t a ( c) precaution on handling supply voltage pins of this ic are pin 24, pin 36, pin 44 and pin 47. use with same potential for pin 24 and pin 36 out of these pins. maintenance/ discontinued maintenance/discontinued includes following four product lifecycle stage. planed maintenance type maintenance type planed discontinued typed discontinued type please visit following url about latest information. http://www.semicon.panasonic.co.jp/en/
ics for tv an 8934fa 15 application circuit example v 1 v o13 v 11 v in3 high-level v in48 v o13 v 11 v in48 v 14 low-level v 10 v 11 bs (17 mhz[p-p]) scc (18 mhz[p-p]) jcsat (15.8 mhz[p-p]) v 4 nr on nr off v 46 bit-stream detection (pin 14) level changeover between bs and cs mode video output video nr v 2 v o12 v o9 v in3 v in6 v in48 v in45 v o12 v o9 v in48 v in45 low-level or open high-level changeover between detection output (pin 12) and bit-stream output (pin 9) when bit-stream is inputted on pin 6 when pin 6 is no input when pin 6 is no input when bit-stream is inputted on pin 6 high-level low-level high-level or open low-level high-level or open low-level or open high-level changeover between detection output (pin 13) and pin 11 level (at pin10 low-level) when bit-stream is inputted on pin 6 low-level high-level when pin 6 is no input low-level high-level or open output mute low-level high-level or open qpsk v cc n.c. 36 35 34 33 32 31 30 29 28 27 26 25 agc 0.022 f 0.1 f 0.1 f c/n out video out sw1 1 2 3 4 5 6 7 8 9 10 11 12 sw2 10 f 10 f 0.022 f 1 000 pf 0.01 f 2 200 f 62 ? 50 k ? external det in video mute det adj. external bit-stream in 3 v ref. c/n adj. bit-stream out cs/bs scc/jcsat (afc ctrl.) det out for jsb video v cc 24 23 22 21 20 19 video gnd 18 17 16 15 bit-stream detector 14 det out for muse 47 k ? 0.022 f 0.22 f 470 pf 390 ? 13 q out 37 i out 38 qpsk/clk gnd 39 clk out 40 pd in 41 18.432 mhz crystal 42 43 clk v cc 44 internal bit-stream in 45 nr sw 46 unswitch v cc 47 bb in 48 2 200 f 75 ? 220 k ? 2 200 f 75 ? 1.5 k ? 0.01 f 1 000 pf 10 pf 0.1 f 1 k ? 22 k ? 910 ? 9.1 k ? 8 pf 5 600 pf 390 ? 0.1 f 50 k ? 0.022 f 0.022 f 1.8 k ? 0.1 f 1.8 k ? 0.022 f 0.033 f 0.047 f maintenance/ discontinued maintenance/discontinued includes following four product lifecycle stage. planed maintenance type maintenance type planed discontinued typed discontinued type please visit following url about latest information. http://www.semicon.panasonic.co.jp/en/
request for your special attention and precautions in using the technical information and semiconductors described in this book (1) if any of the products or technical information described in this book is to be exported or provided to non-residents, the laws and regulations of the exporting country, especially, those with regard to security export control, must be observed. (2) the technical information described in this book is intended only to show the main characteristics and application circuit examples of the products, and no license is granted under any intellectual property right or other right owned by our company or any other company. therefore, no responsibility is assumed by our company as to the infringement upon any such right owned by any other company which may arise as a result of the use of technical information described in this book. (3) the products described in this book are intended to be used for standard applications or general electronic equipment (such as office equipment, communications equipment, measuring instruments and household appliances). consult our sales staff in advance for information on the following applications: ? special applications (such as for airplanes, aerospace, automobiles, traffic control equipment, combustion equipment, life support systems and safety devices) in which exceptional quality and reliability are required, or if the failure or malfunction of the prod- ucts may directly jeopardize life or harm the human body. ? any applications other than the standard applications intended. (4) the products and product specifications described in this book are subject to change without notice for modification and/or im- provement. at the final stage of your design, purchasing, or use of the products, therefore, ask for the most up-to-date product standards in advance to make sure that the latest specifications satisfy your requirements. (5) when designing your equipment, comply with the range of absolute maximum rating and the guaranteed operating conditions (operating power supply voltage and operating environment etc.). especially, please be careful not to exceed the range of absolute maximum rating on the transient state, such as power-on, power-off and mode-switching. otherwise, we will not be liable for any defect which may arise later in your equipment. even when the products are used within the guaranteed values, take into the consideration of incidence of break down and failure mode, possible to occur to semiconductor products. measures on the systems such as redundant design, arresting the spread of fire or preventing glitch are recommended in order to prevent physical injury, fire, social damages, for example, by using the products. (6) comply with the instructions for use in order to prevent breakdown and characteristics change due to external factors (esd, eos, thermal stress and mechanical stress) at the time of handling, mounting or at customer's process. when using products for which damp-proof packing is required, satisfy the conditions, such as shelf life and the elapsed time since first opening the packages. (7) this book may be not reprinted or reproduced whether wholly or partially, without the prior written permission of matsushita electric industrial co., ltd. maintenance/ discontinued maintenance/discontinued includes following four product lifecycle stage. planed maintenance type maintenance type planed discontinued typed discontinued type please visit following url about latest information. http://www.semicon.panasonic.co.jp/en/

▲Up To Search▲

Price & Availability of AN8934FA

	To Download AN8934FA Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .