MC33492 데이터 시트보기 (PDF) - Motorola => Freescale

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MC33492

PLL Tuned UHF Transmitter for Data Transfer Applications

Motorola => Freescale 

Freescale SMeCm33ic49o2nductor, Inc.

RF OUTPUT SPECTRUM

Following are spectrums of transmitter carrier, measured in conduction. Three different spans have been

used. The 5MHz span spectrum (figure 4) shows phase noise response close to the RF carrier, and the noise

suppression within the PLL loop bandwidth. The 50MHz span spectrum (figure 5) shows both phase noise and

reference spurious. Finally figure 6 shows second and third harmonics of carrier.

All these spectrums are measured in OOK modulation, at DATA=1.

Figure 4: RF spectrum at 434MHz frequency band displayed with a 5MHz span

Resolution

bandwidth:

100kHz

Resolution

bandwidth:

30kHz

For More Information On This Product,

PLL Tuned UHF TGraonstmo:itwtewr fwor.fDraeteasTcraanles.fceroAmpplications

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