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TSA5521T/C4 データシート

部品番号TSA5521T/C4 Philips
Philips Electronics Philips
コンポーネント説明1.3 GHz universal bus-controlled TV synthesizer; 3-wire
TSA5521T/C4 Datasheet PDF : TSA5521T/C4 pdf     
TSA5520 image

The device is a single-chip PLL frequency synthesizer designed for TV and VCR tuning systems.

The circuit consists of a divide-by-eight prescaler with its own preamplifier, a 15-bit programmable divider, a crystal oscillator and its programmable reference divider and a phase/frequency detector combined with a charge-pump which drives the tuning amplifier and the 33 V output.

Four high-current PNP band switch buffers are provided for band switching. Two PNP buffers can be switched on simultaneously. The sum of the collector currents is limited to 50 mA.



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