Control Head Playback & Record Amplifier and Signals Interface
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TDA8120B
MULTISTANDARD VIDEO AND SOUND IF SYSTEM
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GAIN CONTROLLED IF AMPLIFIER VIF OPERATING FREQUENCY UP TO 50MHz SYNCHRONOUS DETECTOR WHITE SPOT INVERTER VERY LOW DIFFERENTIAL ERROR VERY LOW PHASE ERROR INTERNAL AGC SWITCH (B/G - L) AGC TOP. SYNCH. FOR STANDARD B/G AGC TOP WHITE FOR STANDARD L QUASI SPLIT SOUND FOR STANDARD B/G SOUND DETECTOR FOR STANDARD L VIDEO MUTING FACILITY SEPARATED SOUND OUTPUT OPERATES WITHOUT EXTERNAL GATING PULSE
The Sound IF section acts as a Quasi Split Sound (QSS) subsystem in B/G transmission and allows a second Sound IF with high rejection of the video information. The DC switch can modify the Sound IF configuration to process AM modulated Sound signals (L).