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TDA9885TS/V3 датащи(PDF) 39 Page - NXP Semiconductors |
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TDA9885TS/V3 датащи(HTML) 39 Page - NXP Semiconductors |
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39 / 56 page ![]() 2003 Oct 02 39 Philips Semiconductors Product specification I2C-bus controlled single and multistandard alignment-free IF-PLL demodulators TDA9885; TDA9886 handbook, full pagewidth MHC116 Vi(VIF) (dBµV) VVAGC (V) ITAGC ( µA) (2) (3) (4) (1) 4 2 30 40 50 60 1 70 80 90 100 110 3 0 100 200 300 400 500 600 120 Fig.7 Typical VIF and tuner AGC characteristic. (1) VVAGC is VIF-AGC voltage and can only be measured at pin OP2 controlled by the I2C-bus (see Table 15). (2) ITAGC is tuner current in TV mode with RTOP =22kΩ or setting via I2C-bus at −15 dB. (3) ITAGC is tuner current in TV mode with RTOP =10kΩ or setting via I2C-bus at 0 dB. (4) ITAGC is tuner current in TV mode with RTOP =0kΩ or setting via I2C-bus at +15 dB. Fig.8 Typical tuner takeover point as a function of resistor RTOP. handbook, halfpage 024 110 60 70 100 90 80 MHB159 12 820 416 Vi(VIF) (dB µV) RTOP (kΩ) handbook, halfpage VSAGC (V) 30 90 50 110 130 Vi(SIF) (dBµV) 70 5 4 2 1 3 MHC117 (2) (1) Fig.9 Typical SIF-AGC characteristic. (1) FM mode. (2) AM mode. |
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