2.5 GHz PLLatinum Frequency Synthesizer For RF Personal Communications
The LMX2346 LMX2347 are high performance Frequency Synthesizers with an integrated 32/33 dual modulus prescaler. The LMX2346 is designed for RF operation up to 2.0 GHz. The LMX2347 is designed for RF operation up to 2.5 GHz. Using a proprietary digital Phase locked loop technique, the LMX2346 LMX2347 generates very stable, low noise control signals for UHF and VHF voltage controlled Oscillators
Serial data is transferred into the LMX2346 7 via a three-line MICROWIRE Interface (DATA, LE, CLOCK). Supply voltage range is from 2.7V to 5.5V. The Charge Pump provides 4 mA output current.
The LMX2346 LMX2347 are manufactured using National's 0.5? ABiC V silicon BiCMOS process and is available in 16-pin TSSOP and 16-pin CSP packages.
By National Semiconductor Corporation
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