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TSA5521T/C4

  

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Philips
Philips Electronics
TSA5521T/C4 1.3 GHz universal bus-controlled TV synthesizer; 3-wire

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


other parts : TSA5520 TSA5520M TSA5520M/C3 TSA5520M/C3/R1 TSA5520M/C4 TSA5520M/C5 TSA5520T TSA5520T/C3 TSA5520T/C3/M1 TSA5520T/C4/M1 
Philips
Philips Electronics
TSA5521T/C4/M1 1.3 GHz universal bus-controlled TV synthesizer; 3-wire

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


other parts : TSA5520 TSA5520M TSA5520M/C3 TSA5520M/C3/R1 TSA5520M/C4 TSA5520M/C5 TSA5520T TSA5520T/C3 TSA5520T/C3/M1 TSA5520T/C4/M1 

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