Datasheet

TPA2028D1
SLOS660B –JANUARY 2010–REVISED SEPTEMBER 2012 www.ti.com
Figure 47. EMC Performance under FCC Class-B
Figure 47 shows the EMC performance of TPA2028D1 under FCC Class-B. The test circuit configuration is
shown in Figure 46. The worst-case quasi peak margin is 29.8 dB at 30.5 MHz.
Table 7. Measurement Condition for TPA2028D1 EMC Test
PARAMETER VALUE UNIT
V
DD
Supply voltage 4.2 V
A
V
Gain 6 dB
f
AUD
Input signal frequency 1 kHz
V
I
Input signal amplitude 1 V
RMS
V
O
Output signal amplitude 2 V
RMS
R
L
Load impedance 8 Ω
Output cable length 100 mm
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