s Low Voltage Operation, 2.7 to 3.3V s On-chip Reference Oscillator s Channel Select Synthesiser s Direct VCO input at up to 330MHz s 6400 Baud Digital 4FSK Demodulator s Serial Control Bus s Very Low Power Consumption s Small QSOP24 Package
DACOUT
QP24
Fig.1 Pin connections - top view.
Direct Conversion 4FSK Data Receiver Target Specification
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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This product is obsolete.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.com/obsolete_products/
ZIF600
ZIF600
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. Separate power controls allow the system current consumption to be minimised.
ZIF600 Datasheet
