Pwm Modulation - GW Instek AFG-3022 User Manual

PWM Modulation

Example: PWM modulation. 800Hz carrier wave. 15 kHz
modulating sine wave. 50% duty cycle. Internal source.
Output
Input: N/A
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9. Press MOD, SUM
(F5), Source (F1), INT
(F1).
10. Press the output key.
1. Press Waveform and
select Square (F2).
CH1
42V
MAX
2. Press the MOD key
W
50
and select PWM (F6).
3. Press the FREQ/Rate
key, followed by 8 + 0
+ 0 + Hz (F4).
4. Press the MOD key,
select PWM (F6),
Shape (F4), Sine (F1).
5. Press the MOD key,
PWM (F6), PWM
Freq (F3).
6. Press 1 + 5 + kHz
(F3).
7. Press MOD, PWM
(F6), Duty (F2).
8. Press 5 + 0 + % (F1).
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QUICK REFERENCE
SUM
Source
MOD
INT
Output
Square
Waveform
PWM
MOD
8 0
FREQ/Rate
Hz
PWM Shape
MOD
Sine
PWM PWM Freq
MOD
5
1 kHz
PWM Duty
MOD
5 0
%
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