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3236-22 Datasheet(PDF) 1 Page - Peregrine Semiconductor Corp. |
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3236-22 Datasheet(HTML) 1 Page - Peregrine Semiconductor Corp. |
1 / 15 page Document No. 70-0026-03 │ www.psemi.com Page 1 of 15 ©2003-2005 Peregrine Semiconductor Corp. All rights reserved. Peregrine’s PE3236 is a high performance integer-N PLL capable of frequency synthesis up to 2.2 GHz. The superior phase noise performance of the PE3236 is ideal for applications such as LMDS / MMDS / WLL basestations and demanding terrestrial systems. The PE3236 features a 10/11 dual modulus prescaler, counters and a phase comparator as shown in Figure 1. Counter values are programmable through either a serial or parallel interface and can also be directly hard wired. This programming flexibility, combined with the dual latch architecture enabling ping-pong loading of the main divide counter, makes these PLLs well suited as the core for fractional-N or sigma-delta implementation. The PE3236 is optimized for terrestrial applications. It is manufactured on Peregrine’s UltraCMOS™ process, a patented variation of silicon-on-insulator (SOI) technology on a sapphire substrate, offering the performance of GaAs with the economy and integration of conventional CMOS. Product Specification 2200 MHz UltraCMOS™ Integer-N PLL for Low Phase Noise Applications Product Description PE3236 Features • 2.2 GHz operation • ÷10/11 dual modulus prescaler • Internal phase detector • Serial, parallel or hardwired programmable • Low power— 22 mA at 3 V • Q3236 PLL replacement • Ultra-low phase noise • Available in 44-lead PLCC package Figure 1. Block Diagram F in F in Prescaler 10 / 11 20 Main Counter 20 Secon- dary 20-bit Latch 20 Primary 20-bit Latch Pre_en M(6:0) A(3:0) R(3:0) 16 20 R Counter f r Phase Detector 6 6 f c f p 8 D(7:0) 13 Sdata PD_U PD_D |
Similar Part No. - 3236-22 |
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Similar Description - 3236-22 |
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