
MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA
33661
15
ELECTROMAGNETIC COMPATIBILITY INFORMATION
Radiated Emission in Normal and Slow Modes
The 33661 has been tested for radiated emission
performances.
Figures 14
and
15
show the results in the
frequency range 100 kHz to 2.0 MHz. Test conditions are in
accordance with CISPR25 recommendations, bus length of
1.5 meter, device loaded with 10 nF and 500
bus impedance.
Figure 14
displays the results when the device is set in the
normal mode, optimized for baud rate up to 20 kbps.
Figure 15
displays the results when the device is set in the slow mode,
optimized for baud rate up to 10 kbps. The level of emissions is
significantly reduced compared to the already excellent level of
the normal mode.
Figure 14. Radiated Emission in Normal Mode
Figure 15. Radiated Emission in Slow Mode
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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.