Texas Instruments APA100 Manual do Utilizador descarregar pdf (Página 37)

Total Harmonic Distortion + Noise

5-3

Measured Results

Figure 5−3. APA100 THD+N vs Output Power With 4-W Load

20

5

1

0.5

0.1

0.05

0.01

10 m 1 2 10 20 100 200

THD+N − Total Harmonic Distortion + Noise − %

P

O

− Output Power − W

f = 1 kHz,

PV

DD

= 15 V, 18 V, 20 V, 24 V,

28 V, 29.5 V

Figure 5−4. APA100 THD+N vs Output Power With 8-W Load

20

5

1

0.5

0.1

0.05

0.01

10 m 1 2 10 20 100 200

THD+N − Total Harmonic Distortion + Noise − %

P

O

− Output Power − W

f = 1 kHz,

PV

DD

= 15 V, 18 V, 20 V, 24 V,

28 V, 29.5 V

1 2 ... 32 33 34 35 36 37 38 39 40 41 42

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