Fractional-n Rf/integer-n If Dual Pll Frequency Synthesizer

The S1M8831A S1M8833 is a Fractional-N Frequency Synthesizer with integrated prescalers, designed for RF operation up to 1.2GHz/K-PCS and for IF operation up to 520MHz. The fractional-N synthesizer allows fast-locking, low phase noise phase-locked loops to be built easily, thus having rapid channel switching and reducing standby time for extended battery life. The S1M8831A S1M8833 based on - D fractional-N techniques solves the fractional spur problems in other fractional-N synthesizers based on Charge Pump compensation. The synthesizer also has an additional feature that the PCS CDMA channel frequency in steps of 10kHz CAN be accurately programmed. The S1M8831A S1M8833 contains dual-modulus prescalers. The S1M8831A RF synthesizer adopts an 8/9 prescaler (16/17 for the S1M8833 and the IF synthesizer adopts an 8/9 prescaler. Phase detector gain is user-programmable for maximum flexibility to address IS-95 CDMA and IMT2000. Various program-controlled power down options as well as low supply voltage help the design of Wireless cell phones having minimum power consumption. Using the Samsung's proprietary digital phase-locked-loop technique, the S1M8831A S1M8833 has a linear phase detector characteristic and CAN be used for very stable, low noise PLLs Supply voltage CAN range from 2.7V to 4.0V. The S1M8831A 33 is available in a 24-QFN package. By Samsung Semiconductor, Inc.
S1M8831A 's PackagesS1M8831A 's pdf datasheet
S1M8831A01-G0T0 QFN
S1M8833X01-G0T0 QFN
S1M8833 QFN




S1M8831A Pinout, Pinouts
S1M8831A pinout,Pin out
This is one package pinout of S1M8831A,If you need more pinouts please download S1M8831A's pdf datasheet.

S1M8831A Application circuits
S1M8831A circuits
This is one application circuit of S1M8831A,If you need more circuits,please download S1M8831A's pdf datasheet.


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