Getac Technology Corporation ZX70U Manual De Usuario
AS3993 – AN13 – Received Signal Strength Indicator (RSSI)
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Revision 2.0 / 6/22/12
page 11/17
6.3 Reader Part – Schematics
Reader Section:
Figure 7 - Schematic Reader Section
Loop Filter:
Figure 8 - Schematic Loop Filter
The loop filter used for the PLL is partly inside the reader IC. The external part is shown above.
The loop filter values are provided by ams. Other values are possible and are mentioned in a
separate application note.