Dual low-power frequency synthesizer

GENERAL DESCRIPTION The UMA1005T is a low-power, high-performance dual frequency synthesizer fabricated in CMOS technology. Fractional-N division with selectable modulo 5 or 8 is implemented in the main synthesizer. FEATURES ? Fast locking by ‘Fractional-N’ divider ? Auxiliary synthesizer ? D

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PHI

PHI

Dual low-power frequency synthesizer

恩XP

Dual low-power frequency synthesizer

GENERAL DESCRIPTION The UMA1005T is a low-power, high-performance dual frequency synthesizer fabricated in CMOS technology. Fractional-N division with selectable modulo 5 or 8 is implemented in the main synthesizer. FEATURES ? Fast locking by ‘Fractional-N’ divider ? Auxiliary synthesizer ? D

文件：88.23 Kbytes 頁數(shù)：24 Pages

PHI

PHI

REFERENCE FREQUENCY 16.368 MHz, 2ND IF FREQUENCY 4.092 MHz RF/IF FREQUENCY DOWN-CONVERTER PLL FREQUENCY SYNTHESIZER IC FOR GPS RECEIVER

DESCRIPTION The μPB1005GS is a silicon monolithic integrated circuit for GPS receiver. This IC is designed as double conversion RF block integrated RF/IF down-converter + PLL frequency synthesizer on 1 chip. The μPB1005GS features shrink package, fixed prescaler and supply voltage. The 30

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NEC

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REFERENCE FREQUENCY 16.368 MHz, 2ND IF FREQUENCY 4.092 MHz RF/IF FREQUENCY DOWN-CONVERTER PLL FREQUENCY SYNTHESIZER IC FOR GPS RECEIVER

DESCRIPTION The μPB1005K is a silicon monolithic integrated circuit for GPS receiver. This IC is designed as double conversion RF block integrated RF/IF down-converter + PLL frequency synthesizer on 1 chip. The μPB1005K features 36-pin plastic QFN, fixed prescaler and supply voltage. The

文件：120.46 Kbytes 頁數(shù)：16 Pages

NEC

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BIPOLAR ANALOG DIGITAL INTEGRATED CIRCUIT

FEATURES ? Double conversion : fREFin = 16.368 MHz, f1stIFin = 61.380 MHz, f2ndIFin = 4.092 MHz ? Integrated RF block : Pre-Amplifier + RF/IF frequency down-converter + PLL frequency synthesizer ? Needless to input counter data : fixed division internal prescaler ? VCO side division : ?200 (?2

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RENESAS

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