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TDA2540 Даташит - STMicroelectronics

TDA2540 image

Номер в каталоге
TDA2540

Компоненты Описание

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ST-Microelectronics
STMicroelectronics ST-Microelectronics

DESCRIPTION
The TDA2540 and 2541 are IF amplifier and A.M. demodulator circuits for colour and black and white televisionreceiversusing PNP orNPN tuners. They are intended for reception of negative or positive modulation CCIR standard.
They incorporate the following functions :
   ■ Gain controlled amplifierds
   ■ Synchronous demodulator
   ■ White spot inverter
   ■ Video preamplifier with noise protection
   ■ Switchable AFC
   ■ AGC with noise gating
   ■ Tuner AGC output (NPN tuner for 2540)-(PNP tuner for 2541)
   ■ VCR switch for video output inhibition (VCR play back)

■ SUPPLY VOLTAGE : 12V TYP
■ SUPPLY CURRENT : 50mATYP
■ I.F. INPUT VOLTAGE SENSITIVITY AT
   F = 38.9MHz : 85µVRMS TYP
■ VIDEO OUTPUT VOLTAGE (white at 10% of
   top synchro) : 2.7VPP TYP
■ I.F. VOLTAGE GAIN CONTROL RANGE :
   64dB TYP
■ SIGNAL TO NOISE RATIO AT VI = 10mV :
   58dB TYP
■ A.F.C. OUTPUT VOLTAGE SWING FOR
   ∆f = 100kHz : 10V TYP

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Номер в каталоге
Компоненты Описание
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