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S1M8836 - FRACTIONAL-N RF/INTEGER-N IF DUAL PLL

General Description

Pin No.

I O I I/O O

I I Descriptions RF PLL power supply (2.7V to 4.0V).

Must be equal to VDDIF.

Power supply for RF charge pump.

Key Features

  • High operating frequency dual synthesizer Operating voltage range : 2.7 to 4.0V Low current consumption(S1M8836: 5.5mA, S1M8837: 7.5mA) Selectable power saving mode (Icc = 1uA typical @3V) Quadruple-modulus prescaler and Fractional-N/Integer-N:  S1M8836  S1M8837  S1M8836/37.
  • (RF) 8/9/12/13 (RF) 16/17/20/21 (IF) 8/9 Fractional-N Fractional-N Integer-N S1M8836: 250MH.

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Other Datasheets by Samsung Semiconductor

Part Number Description
S1M8831A FRACTIONAL-N RF/INTEGER-N IF DUAL PLL
S1M8833 FRACTIONAL-N RF/INTEGER-N IF DUAL PLL
S1M8837 FRACTIONAL-N RF/INTEGER-N IF DUAL PLL
S1M8821 INTERGER RF/IF DUAL PLL
S1M8822 INTERGER RF/IF DUAL PLL

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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FRACTIONAL-N RF/INTEGER-N IF DUAL PLL S1M8836/37 INTRODUCTION The S1M8836/37 is a Fractional-N frequency synthesizer with integrated prescalers, designed for RF operation up to 1.0GHz/2.5GHz 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 S1M8836/37 based on Σ - ∆ 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. 24-QFN-3.5×4.5 The S1M8836/37 contains quadruple-modulus prescalers.