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TDA6651TT Fiches technique(PDF) 1 Page - NXP Semiconductors |
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TDA6651TT Fiches technique(HTML) 1 Page - NXP Semiconductors |
1 / 54 page 1. General description The TDA6650TT; TDA6651TT is a programmable 3-band mixer/oscillator and low phase noise PLL synthesizer intended for pure 3-band tuner concepts applied to hybrid (digital and analog) or digital only terrestrial and cable TV reception. [1] See Table 22 “Characteristics” for differences between TDA6651TT/C3/S2 and TDA6651TT/C3/S3. The device includes three double balanced mixers for low, mid and high bands, three oscillators for the corresponding bands, a switchable IF amplifier, a wideband AGC detector and a low noise PLL synthesizer. The frequencies of the three bands are shown in Table 2. Two pins are available between the mixer output and the IF amplifier input to enable IF filtering for improved signal handling and to improve the adjacent channel rejection. [1] RF input frequency is the frequency of the corresponding picture carrier for analog standard. [2] RF input frequency is the frequency of the center of DVB-T channel. The IF amplifier is switchable in order to drive both symmetrical and asymmetrical outputs. When it is used as an asymmetrical amplifier, the IFOUTB pin needs to be connected to the supply voltage VCCA. TDA6650TT; TDA6651TT 5 V mixer/oscillator and low noise PLL synthesizer for hybrid terrestrial tuner (digital and analog) Rev. 05 — 10 January 2007 Product data sheet Table 1. Different versions are available depending on the target application[1] Application Type version hybrid (analog and digital) TDA6650TT/C3 TDA6651TT/C3 digital only TDA6650TT/C3/S2 TDA6651TT/C3/S2 TDA6651TT/C3/S3 Table 2. Recommended band limits in MHz Band RF input Oscillator Min Max Min Max PAL and DVB-T tuners for hybrid application[1] Low 44.25 157.25 83.15 196.15 Mid 157.25 443.25 196.15 482.15 High 443.25 863.25 482.15 902.15 DVB-T tuners for digital only application[2] Low 47.00 160.00 83.15 196.15 Mid 160.00 446.00 196.15 482.15 High 446.00 866.00 482.15 902.15 |
Numéro de pièce similaire - TDA6651TT |
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Description similaire - TDA6651TT |
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