LRI2K-SBN18/3GE STMicroelectronics, LRI2K-SBN18/3GE Datasheet - Page 14
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LRI2K-SBN18/3GE
Manufacturer Part Number
LRI2K-SBN18/3GE
Description
IC EEPROM 2048BIT 97PF SAWN WAFR
Manufacturer
STMicroelectronics
Datasheet
1.LRI2K-A1S1GE.pdf
(86 pages)
Specifications of LRI2K-SBN18/3GE
Rf Type
Read / Write
Frequency
13.56MHz
Features
ISO15693, ISO18000-3
Package / Case
Wafer
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Part Number
Manufacturer
Quantity
Price
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Communication signal from VCD to LRI2K
2
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Communication signal from VCD to LRI2K
Communications between the VCD and the LRI2K take place using the modulation principle
of ASK (amplitude shift keying). Two modulation indexes are used, 10% and 100%. The
LRI2K decodes both. The VCD determines which index is used.
The modulation index is defined as [a – b]/[a + b] where a is the peak signal amplitude and b
the minimum signal amplitude of the carrier frequency.
Depending on the choice made by the VCD, a "pause" will be created as described in
Figure 3
The LRI2K is operational for any degree of modulation index between 10% and 30%.
Figure 3.
Table 3.
Figure 4.
Symbol
and
hr
hf
a
100% modulation waveform
10% modulation parameters
10% modulation waveform
Figure
tRFF
4.
105%
100%
tRFSFL
60%
95%
5%
a
b
tRFR
Parameter definition
tRFF
0.1 x (a – b)
0.1 x (a – b)
tRFSBL
tRFR
hr
AI06683
t
hf
Value
max
max
AI06655
t
LRI2K
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