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PCF7941ATSM2AB120,

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P19
UM10473 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved.
User manual Rev. 01. — 29 August 2011 13 of 19
NXP Semiconductors
UM10473
OL2300 Demo board user manual
Fig 9. Reference spurious signals
aaa-000058
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UM10473 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved.
User manual Rev. 01. — 29 August 2011 14 of 19
NXP Semiconductors
UM10473
OL2300 Demo board user manual
5.4 ASK modulation
The output of OL2300, when set to ASK modulation, is measured in frequency and time
domain for ASK and Soft-ASK. Figure 10
and Figure 11 show the results.
A modulation frequency of 20 kHz is used for the measurements.
V
CC
= 2.7 V, AMH = 15, AML = 0, RBW = 300 kHz
Fig 10. ASK signal in frequency and time domain, RMP = 0 > t
SA
= 0 s
aaa-000059
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AVG
UM10473 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved.
User manual Rev. 01. — 29 August 2011 15 of 19
NXP Semiconductors
UM10473
OL2300 Demo board user manual
Fig 11. Soft-ASK signal in frequency and time domain, RMP = 10 > t
SA
= 11.3 s
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1
0
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A
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P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P19

PCF7941ATSM2AB120,

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Manufacturer:
NXP Semiconductors
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RFID Transponders SECURITY TRANSPONDR RISC CONTROLLER
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