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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.
PE3236 Maximum Ratings
Symbol
Parameter/Conditions
Min
Max
Units
VDD
Supply voltage
-0.3
4.0
V
VI
Voltage on any input
-0.3
VDD+0.3
V
II
DC into any input
-10
+10
mA
IO
DC into any output
-10
+10
mA
Tstg
Storage temperature range
-65
150
°C
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