Features: `SUPPLYVOLTAGE : 12V TYP `SUPPLYCURRENT : 50mATYP `I.F. INPUT VOLTAGE SENSITIVITY AT F = 38.9MHz : 85mVRMS 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 ...
TDA2541: Features: `SUPPLYVOLTAGE : 12V TYP `SUPPLYCURRENT : 50mATYP `I.F. INPUT VOLTAGE SENSITIVITY AT F = 38.9MHz : 85mVRMS TYP`VIDEO OUTPUT VOLTAGE (white at 10% of top synchro) : 2.7VPP TYP`I.F. VOLTAGE ...
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`SUPPLYVOLTAGE : 12V TYP
`SUPPLYCURRENT : 50mATYP
`I.F. INPUT VOLTAGE SENSITIVITY AT F = 38.9MHz : 85mVRMS 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
Symbol | Parameter | Value | Unit |
V (1113) | Supply Voltage | 13.8 |
V |
V (413) |
Tuner A.G.C. Voltage | 12 | V |
Ptot | Power Dissipation | 900 | mW |
Tstg | Storage Temperature | 55 to + 125 | |
Tamb | Operating Ambient Temperature | 0 to + 70 |
The TDA2540 and TDA2541 are IF amplifier and A.M. demodulator circuits for colour and black and white televisionreceiversusingPNPorNPNtuners. They are intended for reception of negative or positive modulation CCIR standard.
The TDA2540 and TDA2541 incorporate the following functions :
·Gain controlled amplifier
·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)