AB-039 Datasheet, PDF (6/6 Pages) Burr-Brown (TI) – POWER AMPLIFIER STRESS AND POWER HANDLING LIMITATIONS

A) DUAL TRACE TIME SWEEP
MOTOR LOAD
1
0
–1
Highest
20
Stress
0
–20
Time Sweep
B) X-Y OSCILLOSCOPE DISPLAY
CONTINUOUS AC SIGNALS
Resistive
Load
1
0
Purely Reactive
–1
Load (max current
Complex Reactive
at 0V)
Load
–20
0
20
Oscilloscope X-Input
V_OUT (V)
V_IN
Power
Amp
V_OUT
Load Z_L
Current Sense
Make R_S << Z_L
R_S
I _OUT =
V
R_S
FIGURE 8. Voltage/Current Waveforms, Unusual Loads.
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