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SL5162KGMP1S Fiches technique(PDF) 4 Page - Zarlink Semiconductor Inc |
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SL5162KGMP1S Fiches technique(HTML) 4 Page - Zarlink Semiconductor Inc |
4 / 10 page 3 SL5162 ELECTRICAL CHARACTERISTICS (continued) Characteristic Typ. Conditions 2 10 2 10 2 60 2 46 38·9 2 16 2 15 2 22 2 3 500 30 2 70 2 70 2 70 2 75 2 70 2 70 860 0·2 Units Min. Max. dBC dBC dBC k Ω mVp-p dBC dBC dBC dBC dBC dBC dBC dBC dBC dBC MHz kHz Relative to PVC (note 4) Relative to PVC, with no audio modulation applied Relative to PVC Single ended from 50 Ω Values referred to PAL system G carrier level Note 5 Relative to 83dB µV modulated carrier (note 6) With 1Vp-p video input signal colour bars Pin Value 18 1, 2 4,5,6,7 Mod Index Control Sound subcarrier level, negative video modulation Sound subcarrier level, positive video modulation Second sound subcarrier Video Test Sig. Generator Negative impedance Ceramic resonator impedance Prescaler Output amplitude Distortions Intermodulation: fV1(fS2fC) fV12fC fV12fS fV13fS Spurious (in band) Spurious (ex band) Harmonics: 2fV 3fV Sound in vision Vision in sound Local Oscillator Frequency range Residual FM 1 2 3 4 5 6 7 8 9 1o 11 12 13 14 15 16 17 18 19 20 UHF prescaler output 1 UHF prescaler output 2 Positive supply for UHF circuits UHF tank UHF tank UHF tank UHF tank UHF ground Sound tank 1 Sound tank 2 Audio 1 input Positive supply for baseband circuits Intercarrier (sound) input Video modulation/standard select 75 Ω modulated output 75 Ω modulated output Baseband ground Test signal generator input Video input AGC capacitor/disable switch RF 1 RF 2 VCC2 LOIN 1 LOOP 1 LOOP 2 LOIN 2 VEE2 ST 1 ST2 AUDIO VCC1 SUB 2 MSS OP 1 OP2 VEE1 TSG VID AGC Pin Name Function NOTES 5. fV = vision carrier, fS = sound subcarrier, fC = chroma subcarrier. 6. SUB 2 must be connected to VCC to achieve this performance. Table 1 Pin descriptions VIDEO INPUT SECTION A composite signal of the selected standard is applied to the device via a coupling capacitor also acting as the clamp storage capacitor. A minimum level clamp is used to DC restore the video signal in the IC to an internally defined reference voltage. The AGC will give a constant output level with input signals between 0·5 and 1·5 Vp-p. If a controlled 1Vp-p video signal is available, the AGC may be disabled, in which case a white clip circuit is switched in, to prevent possible overmodulation. Selection of negative or positive modulation is via a single pin (14). The voltage on this pin controls an offset which is fed to the UHF mixer, thus determining both modulation depth, and sense of modulation. SOUND SECTION The sound is AC coupled and AM or FM modulated onto the pre-selected carrier, 4·5 - 6·5MHz; its level is nominally at 2 16dB relative to the peak vision carrier. UHF MODULATED OUTPUT Modulation and relative levels of vision and sound carrier levels are preset for the selected broadcast standard. Table 2 gives the output options available. Modulation index is fixed at 83% for all negative modulation systems and at 94% for SECAM standard L. Selection of sound tank frequency is defined by off-chip tank components. |
Numéro de pièce similaire - SL5162KGMP1S |
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Description similaire - SL5162KGMP1S |
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