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STV1602A Dataheets PDF



Part Number STV1602A
Manufacturers ST Microelectronics
Logo ST Microelectronics
Description SERIAL INTERFACE TRANSMISSION ENCODER
Datasheet STV1602A DatasheetSTV1602A Datasheet (PDF)

www.DataSheet4U.com STV1602A SERIAL INTERFACE TRANSMISSION DECODER BUILT-IN AUTOMATIC EQUALIZER FOR UP TO 30dB ATTENUATION AT 135MHz (TYPICALLY 300m OF HIGH-GRADE COAXIAL CABLE), PLL CIRCUIT FOR RECLOCKING, AND SERIAL-PARALLEL CONVERSION CIRCUIT. THIS SERIAL TRANSMISSION DECODER REQUIRES ONLY FEW EXTERNAL COMPONENTS. OTHER RELATED IC’s INCLUDE : STV1601A, A SERIAL TRANSMISSION ENCODER (PARALLEL-TO-SERIAL CONVERSION) STV1389AQ COAXIAL CABLE DRIVER STRUCTURE Hybrid IC ORDER CODE : STV1602A APPLI.

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www.DataSheet4U.com STV1602A SERIAL INTERFACE TRANSMISSION DECODER BUILT-IN AUTOMATIC EQUALIZER FOR UP TO 30dB ATTENUATION AT 135MHz (TYPICALLY 300m OF HIGH-GRADE COAXIAL CABLE), PLL CIRCUIT FOR RECLOCKING, AND SERIAL-PARALLEL CONVERSION CIRCUIT. THIS SERIAL TRANSMISSION DECODER REQUIRES ONLY FEW EXTERNAL COMPONENTS. OTHER RELATED IC’s INCLUDE : STV1601A, A SERIAL TRANSMISSION ENCODER (PARALLEL-TO-SERIAL CONVERSION) STV1389AQ COAXIAL CABLE DRIVER STRUCTURE Hybrid IC ORDER CODE : STV1602A APPLICATIONS SERIAL DATA TRANSMISSION DECODER 100 to 270 Mb/s APPLICATIONS EXAMPLES Serial data transmission of digital television signals 525-625 lines 4:2:2 component 270Mb/s (10-bit) 4*fsc PAL composite 177Mb/s (10-bit) 4*fsc NTSC Composite 143Mb/s (10-bit) FUNCTIONS Cable equalizer (maximum gain : 30dB at 135MHz) PLL for serial clock generation Reclocked repeater output (active loop through) Descrambler : modulo-2 multiplication by G(x) = (x9 + x4 + 1) (x + 1) Parallel-to-serial conversion Sync monitor output Eye pattern monitoring Input signal detector 27 26 QFS CX GND MON ADS DIX DIY DPR FV 28 29 30 31 32 33 34 35 36 37 ESI 1 2 GND 3 SY 4 SX 5 QSW 6 TN1 7 VEE 8 VEE 9 1601A-01.EPS . . . . . . . . . . . . . . . . PGA37 (Ceramic Package) PIN CONNECTIONS GND GND RSE EVR SYN PCK 18 17 16 15 14 13 12 11 10 AIX 25 24 23 AIY V EE 22 21 20 19 D0 D1 D2 D3 D4 D5 D6 D7 D8 DESCRIPTION ESO The STV1602A is a Hybrid IC decoder which converts serial data coming from a serial transmission line into parallel data. December 1992 D9 1/22 STV1602A PIN DESCRIPTION Pin Symbol No GND Equivalent Circuit Description I/O Standard Min. Typ. Max. Unit 3 SY 30Ω 3 VR3 30Ω 4 1602A-02.EPS 4 SX VEE 2kΩ 145Ω 2kΩ Reclocked serial data output in differential mode. SX and SY are disabled when TN1 is set High. In this case, SX is set High and SY is set Low H L O -1.6 -2.4 V V GND 5 QSW (GND) To be connected to GND 1kΩ I 36 5 10kΩ 36 FV 10kΩ V EE 1602A-03.EPS Adjustment of VCO Free running frequency : VEE level gives the lowest frequency. To adjust it, set TN1 High. I GND 1kΩ 1kΩ 1 1 ESO 2kΩ 2kΩ Output of phase comparator : must be connected to ESI with the shortest distance O -3.2 V 1602A-04.EPS V EE 2/22 1602A-01.TBL STV1602A PIN DESCRIPTION (continued) Pin Symbol No 9 to 18 D9 to D0 GND 600Ω 600Ω 300Ω Equivalent Circuit Description Parallel data output H L 21 9 I/O O Standard Min. Typ. Max. Unit -0.8 -1.6 O -0.8 -1.6 V V 19 PCK VR3 210Ω VEE 210Ω 1602A-05.EPS 18 Parallel clock output (rising edge at data center) H L V V 21 EVR Data output reference potential O -1.2 V GND 26 AIX 300Ω 26 10kΩ 25 4kΩ 3kΩ 4kΩ 10kΩ Equalizer differential input I -2.0 V 25 AIY VEE 1602A-06.EPS GND 2kΩ 28 NC 1kΩ To be left open I -4.6 V 29 28 29 CX 16kΩ 2k Ω 2kΩ 1602A-07.EPS VEE 3/22 1602A-02.TBL Equalizer detector output; Input signal : absent present O -2.4 -2.0 V V STV1602A PIN DESCRIPTION (continued) Pin Symbol No Equivalent Circuit Description I/O Standard Min. Typ. Max. Unit GND 1kΩ 31 31 MON V R3 500Ω Equalizer monitor output. Connect 75Ω resistor between MON-GND. Observe using a 50Ω input oscilloscope at the 75Ω coaxial cable. O 15 mV (pp) 500Ω V EE 500Ω GND 2kΩ 2kΩ 1602A-08.EPS 32 ? VR2 32 ADS V R3 1602A-09.EPS Serial data input selection High : Digital input DIX/DIY Low : Equalizer input AIX/AIY H L I -0.5 -5 V V 2kΩ VEE GND 500Ω 500Ω 33 DIX VR1 Serial data digital differential input I 33 34 34 DIY V R3 1602A-10.EPS Selected when ADS is High. H L -1.0 -1.6 V V 1602A-03.TBL 500Ω VEE 4/22 STV1602A PIN DESCRIPTION (continued) Pin Symbol No Equivalent Circuit Description I/O Standard Min. Typ. Max. Unit GND 37 37 ESI PLL error signal input : must be connected to ESO with the shortest distance i -3.2 V V EE GND 20kΩ 2kΩ 1602A-11.EPS 2kΩ 6 TN1 6 Serial data input activation High : Input disabled (VCO free running condition). Low : Input enabled. During switch-on phase, by temporarily hold High for quick start-up 1602A-12.EPS I -1.0 -4.0 V V 12kΩ VEE 4kΩ GND 4kΩ V CC 20 SYN 20 State changes at each TRS Sync word 3FFH 000H 000H H L O -1.0 -4.0 V V 2kΩ VEE 2kΩ 1602A-13.EPS 5/22 1602A-04.TBL STV1602A PIN DESCRIPTION (continued) Pin Symbol No GND 1kΩ 1kΩ Equivalent Circuit Description I/O Standard Min. Typ. Max. Unit 35 DPR 35 Serial data detection output. When there is an input signal at the input side selected through ADS, this pin goes High. At no signal, it goes Low. H L i.e. - present : High - absent : Low 1602A-14.EPS O -1.0 -4.0 V V 6kΩ V EE GND 2kΩ 10kΩ 22 RSE 22 Selects VCO frequency range H : High range 140 to 270MHz L : Low range 100 to 145MHz H L 1602A-15.EPS I -0.4 -4.0 V V 10kΩ 10kΩ V EE 7 23 8 2 24 27 30 VEE VEE GND -5V supply I/O buffer, PLL equalizer -5V Supply Logic part GND -5.2 -5.2 -5.0 -5.0 -4.8 -4.8 V V 1602A-05.TBL 6/22 STV1602A BLOCK DIAGRAM EVR 21 SYN 20 PCK 19 .


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