SN761644 ic equivalent, digital tv tuner ic.
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* Integrated Mixer/Oscillator/PLL and IF GCA
* Mirror Pin Package of SN761640
* VHF-L, VHF-H, UHF 3-Band Local Oscillator
* RF AGC Detector Circuit
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* Digital TVs
* Digital CATVs
* Set-Top Boxes
DBT PACKAGE (TOP VIEW)
BS4 UHF RF IN1 UHF RF IN2
VHI RF IN V.
The SN761644 is a low-phase-noise synthesized tuner IC designed for digital TV tuning systems. The circuit consists of a PLL synthesizer, three-band local oscillator and mixer, RF AGC detector circuit, and IF gain-controlled amplifier. The SN761644 i.
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