Datasheet Summary
Obsolescence Notice
This product is obsolete. This information is available for your convenience only. For more information on Zarlink’s obsolete products and replacement product lists, please visit http://products.zarlink./obsolete_products/
Pager Synthesiser and 4FSK Demodulator
DS4771
- 1.2 October 1997
The ZIF600 synthesiser is for channel selection in 4FSK pagers. A reference frequency is generated by an on-chip crystal oscillator with an AFC external trimming varacator controlled by a DAC. The ZIF600 digital demodulator uses DSP techniques to optimise the data extraction in the presence of noise and also generates an AFC output to adjust the crystal frequency....