Rf Physical Layer; Required Antenna Parameters; Input / Output Pins (Cn1 Pins 3 And 4) - Kodak DryView 8150 Safety Manual

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September 2002

2.1.4 RF Physical Layer

Reader to Transponder:

Transponder to Reader:

Impedance

Loaded Q

Pins 3 and 4 on CN1 may be configured by software commands to read a logic level input or to

switch an external load to ground (no pull-up is provided). See Figure 2.

10% - 30% (nominally set at 20%) or 100% modulation (set by

software) - ASK.

Data Coding Mode: 1 / 4 or 1 / 256.

FSK / Fast Data Rate.

50Ω ± 5Ω at 13.56 MHz

10 < Q < 30

Note:

As no standard antenna is provided by Texas Instruments for the

S6350 reader, the noted required antenna parameters must be

closely followed by the integrator for the reader to operate properly.

Figure 2: Example Circuit Diagram of an IO pin

S6350 Midrange Reader Module - Reference Guide

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