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LA75676V-S Fiches technique(PDF) 9 Page - Sanyo Semicon Device |
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LA75676V-S Fiches technique(HTML) 9 Page - Sanyo Semicon Device |
9 / 13 page No. 6277-9/13 LA75676V-S Continued from preceding page. Pin No. Pin Function Equivalent circuit Outputs a video signal that includes the SIF carrier. A resistor must be inserted between pin 10 and ground to acquire adequate drive capability. R ≥ 560 Ω 10 Composit video output 10 2k Ω 15pF A13275 VCO tank circuit for video detection See the separately provided coil specifications for details on the tank circuit. This VCO is a vector synthesis VCO circuit. 11 12 VCO tank 11 12 A13276 AFT output This circuit includes a function that controls the AFT voltage so that it naturally goes to the center voltage during weak field reception. A 120 k Ω bleeder resistor is built in. Note that the sensitivity can be lowered by attaching an external resistor. 13 AFT output 13 120k Ω 1k Ω 120k Ω A13277 RF AGC output This output controls the tuner RF AGC. The internal circuit includes both a 30 k Ω pull-up resistor and a 100 Ω protective resistor. Determine the value of the external bleeder resistor to match the specifications of the tuner. 14 RF AGC output 14 to tuner A13278 Continued on next page. |
Numéro de pièce similaire - LA75676V-S |
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Description similaire - LA75676V-S |
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