SN761668 tuner equivalent, digital tv tuner.
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* Integrated Mixer/Oscillator/PLL and IF GCA
* VHF-L, VHF-H, UHF 3-Band Local Oscillator
* RF AGC Detector Circuit
* External 4-Pin IF Filter Between Mi.
* Digital TVs
* Digital CATVs
* Set-Top Boxes
DBT PACKAGE (TOP VIEW)
VLO OSC B
VLO OSC C VHI OSC B VHI OSC.
The SN761668 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 SN761668 i.
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