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AK1547

AKM
Part Number AK1547
Manufacturer AKM
Description 4GHz Low Noise Integer-N Frequency Synthesizer
Published May 11, 2014
Detailed Description [AK1547] AK1547 4GHz Low Noise Integer-N Frequency Synthesizer 1. Overview The AK1547 is an Integer-N PLL (Phase Locked...
Datasheet PDF File AK1547 PDF File

AK1547
AK1547

Overview
[AK1547] AK1547 4GHz Low Noise Integer-N Frequency Synthesizer 1.
Overview The AK1547 is an Integer-N PLL (Phase Locked Loop) frequency synthesizer, covering a wide range of frequency from 500MHz to 4GHz.
Consisting of a highly accurate charge pump, a reference divider, a programmable divider and a dual-modulus prescaler (P/P+1), this product provides high performance, very low Phase Noise and small footprints.
An ideal PLL can be achieved by combining the AK1547 with the external loop filter and VCO (Voltage Controlled Oscillator).
Access to the registers is controlled via a 3-wire serial interface.
The operating supply voltage is from 2.
7V to 5.
5V, and the charge pump circuit and the serial interface can be driven by individual supply voltage.
2.
Features … … Operating frequency : Programmable charge pump current : 500MHz to 4GHz 650μA to 5200μA typical with 8steps The current range can be controlled by an external resistor.
… Fast lock mode for improved lock time : The progra...


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