'Field-Programmable' related articles 1

  1. 2009/09/02 PE3342 -2.7 GHz Integer-N PLL with Field-Programmable EEPROM Features
Product Description
Peregrine’s PE3342 is a high performance integer-N PLL with embedded EEPROM capable of frequency synthesis up to 2700 MHz with a speed-grade option to 3000 MHz. The EEPROM allows designers to permanently store control bits, allowing easy configuration of self-starting synthesizers. The superior phase noise performance of the PE3342 is ideal for applications such as wireless base stations, fixed wireless, and RF instrumentation systems.
The PE3342 features a ÷10/11 dual modulus prescaler, counters, and a phase comparator as shown in Figure 1. Counter values are programmable through a three-wire serial interface.
The PE3342 UltraCMOS™ Phase Locked-Loop is manufactured in Peregrine’s patented Ultra Thin Silicon (UTSi®) CMOS process, offering excellent RF performance with the economy and integration of conventional CMOS.

Features
*Field-programmable EEPROM for selfstarting applications
*Standard 2700 MHz operation, 3000 MHz speed-grade option
*÷10/11 dual modulus prescaler
*Internal phase detector
*Serial programmable
*Low power — 20 mA at 3 V
*Ultra-low phase noise
*Available in 24-lead TSSOP or 20-lead 4x4 mm QFN package

3342-01, 3342-02, 3342-03, 3342-04

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