EE Product News

Dual PLL Synthesizers Boast Of Top Phase Noise Performance

Said to deliver the industry's best phase noise performance for frequency and timing generation applications, the ADF42xx family of dual PLL synthesizer ICs boast of a 5 dB improvement in phase noise up to 2 GHz compared to competitive devices. In addition, the inclusion of an on-board oscillator circuit permits inexpensive crystal sources to be used as frequency references. The PLL consists of a low noise digital phase frequency detector, a precision charge pump, a programmable reference divider, programmable A and B counters and a dual-modulus prescaler. The chips are priced at $1.70 each/10,000.


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