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TDA4443 Datasheet

Part Number TDA4443
Manufacturers ST Microelectronics
Logo ST Microelectronics
Description MULTISTANDARD VIDEO IF AMPLIFIER
Datasheet TDA4443 DatasheetTDA4443 Datasheet (PDF)

TDA4443 MULTISTANDARD VIDEO IF AMPLIFIER . . . . . . . . . . . . . SWITCHING OFF THE IF AMPLIFIER WHEN OPERATING IN VTR MODE DEMODULATION OF NEGATIVE OR POSITIVE IF SIGNALS. THE OUTPUT REMAINS ON THE SAME POLARITY IN EVERY CASE IF AGC AUTOMATICALLY ADJUSTED TO THE ACTUAL STANDARD TWO AGC POSSIBILITIES FOR B/G MODE : 1. GATED AGC 2. UNGATED AGC ON SYNC. LEVEL AND CONTROLLED DISCHARGE DEPENDENT ON THE AVERAGE SIGNAL LEVEL FOR VTR AND PERI TV APPLICATIONS FOR STANDARD L : FAST AGC ON PEAK WHITE B.

  TDA4443   TDA4443






Part Number TDA4445B
Manufacturers TEMIC Semiconductors
Logo TEMIC Semiconductors
Description Quasi Parallel Sound Processing with Quadrature Intercarrier Demodulator
Datasheet TDA4443 DatasheetTDA4445B Datasheet (PDF)

TELEFUNKEN Semiconductors TDA4445A/TDA4445B Quasi Parallel Sound Processing with Quadrature Intercarrier Demodulator Technology: Bipolar Features D D D D D D Very high input sensitivity Excellent signal to noise ratio Fast averaged AGC IF amplifier can be switched off for VTR mode Output signal stabilized against VS variations Very few external components TDA4445B additional D Targeting bistandard applications (B/G and L) D Alignment free AM demodulator D Low AM distortion Case: DIP16 Figur.

  TDA4443   TDA4443







Part Number TDA4445B
Manufacturers ST Microelectronics
Logo ST Microelectronics
Description SOUND IF AMPLIFIER
Datasheet TDA4443 DatasheetTDA4445B Datasheet (PDF)

TDA4445A TDA4445B SOUND IF AMPLIFIER . . . . . . . . QUADRATURE INTERCARRIER DEMODULATOR VERY HIGH INPUT SENSITIVITY GOOD SIGNAL TO NOISE RATIO FAST AVERAGING AGC IF AMPLIFIER CAN BE SWITCHED OFF FOR VTR MODE GOOD AM SUPPRESSION OUTPUT SIGNAL STABILIZED AGAINST SUPPLY VOLTAGE VARIATIONS VERY FEW EXTERNAL COMPONENTS DESCRIPTION TDA4445A : Sound IF amplifier, with FM processing for quasi parallel sound system. TDA4445B : Sound IF amplifier, with FM processing and AM demodulator, for multi-stand.

  TDA4443   TDA4443







Part Number TDA4445A
Manufacturers TEMIC Semiconductors
Logo TEMIC Semiconductors
Description Quasi Parallel Sound Processing with Quadrature Intercarrier Demodulator
Datasheet TDA4443 DatasheetTDA4445A Datasheet (PDF)

TELEFUNKEN Semiconductors TDA4445A/TDA4445B Quasi Parallel Sound Processing with Quadrature Intercarrier Demodulator Technology: Bipolar Features D D D D D D Very high input sensitivity Excellent signal to noise ratio Fast averaged AGC IF amplifier can be switched off for VTR mode Output signal stabilized against VS variations Very few external components TDA4445B additional D Targeting bistandard applications (B/G and L) D Alignment free AM demodulator D Low AM distortion Case: DIP16 Figur.

  TDA4443   TDA4443







Part Number TDA4445A
Manufacturers ST Microelectronics
Logo ST Microelectronics
Description SOUND IF AMPLIFIER
Datasheet TDA4443 DatasheetTDA4445A Datasheet (PDF)

TDA4445A TDA4445B SOUND IF AMPLIFIER . . . . . . . . QUADRATURE INTERCARRIER DEMODULATOR VERY HIGH INPUT SENSITIVITY GOOD SIGNAL TO NOISE RATIO FAST AVERAGING AGC IF AMPLIFIER CAN BE SWITCHED OFF FOR VTR MODE GOOD AM SUPPRESSION OUTPUT SIGNAL STABILIZED AGAINST SUPPLY VOLTAGE VARIATIONS VERY FEW EXTERNAL COMPONENTS DESCRIPTION TDA4445A : Sound IF amplifier, with FM processing for quasi parallel sound system. TDA4445B : Sound IF amplifier, with FM processing and AM demodulator, for multi-stand.

  TDA4443   TDA4443







MULTISTANDARD VIDEO IF AMPLIFIER

TDA4443 MULTISTANDARD VIDEO IF AMPLIFIER . . . . . . . . . . . . . SWITCHING OFF THE IF AMPLIFIER WHEN OPERATING IN VTR MODE DEMODULATION OF NEGATIVE OR POSITIVE IF SIGNALS. THE OUTPUT REMAINS ON THE SAME POLARITY IN EVERY CASE IF AGC AUTOMATICALLY ADJUSTED TO THE ACTUAL STANDARD TWO AGC POSSIBILITIES FOR B/G MODE : 1. GATED AGC 2. UNGATED AGC ON SYNC. LEVEL AND CONTROLLED DISCHARGE DEPENDENT ON THE AVERAGE SIGNAL LEVEL FOR VTR AND PERI TV APPLICATIONS FOR STANDARD L : FAST AGC ON PEAK WHITE BY CONTROLLED DISCHARGE POSITIVE OR NEGATIVE GATING PULSE EXTREMELY HIGH INPUT SENSITIVITY LOW DIFFERENTIAL DISTORTION CONSTANT INPUT IMPEDANCE VERY HIGH SUPPLY VOLTAGE REJECTION FEW EXTERNAL COMPONENTS LOW IMPEDANCE VIDEO OUTPUT SMALL TOLERANCES OF THE FIXED VIDEO SIGNAL AMPLITUDE ADJUSTABLE, DELAYED AGC FOR PNP TUNERS DESCRIPTION The TDA4443 is a Video IF amplifier with standard switch for multistandard colour or monochrome TV sets, and VTR’s. DIP16 (Plastic Package) ORDER CODE : TDA4443 PIN CONNECTIONS IF INPUT STANDARD SWITCHING GROUND IF AGC TIME CONSTANT DELAYED TUNER AGC OUTPUT TUNER AGC ADJUST GATING PULSE INPUT REFERENCE LC NETWORK 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 IF INPUT GROUND NOT TO BE CONNECTED SUPPLY VOLTAGE V CC NOT TO BE CONNECTED VIDEO SIGNAL OUTPUT DISCHARGE TIME CONSTANT REFERENCE LC NETWORK 4443-01.EPS December 1992 1/7 TDA4443 BLOCK DIAGRAM VIDEO OUTPUT 11 10 TDA4443 WIDE BAND AMPLIFIER IF INPUT IF INPUT 16 1 VIDEO DEMODULATOR IW 9 8 CONTROL A.


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