89
Chapter 3 Features and Functions
Pulse Width Modulation (PWM)
3
Modulating Source
The function generator will accept an internal or external modulation
source for PWM.
• Modulating source:
Internal
or External. The default is Internal.
• If you select the External source, the pulse waveform is modulated
with an external waveform. The width deviation or duty cycle
deviation is controlled by the ±5V signal level present on the rear-
panel Modulation In connector. For example, if you have set the duty
cycle to 10% and the duty cycle deviation to 5%, then when the
modulating signal is at +5 volts, the output will be at the maximum
duty cycle (15%). When the modulating signal is at -5 volts, the output
will be at the minimum duty cycle (5%).
• Front-Panel Operation: After enabling PWM, press the
Source
softkey.
• Remote Interface Operation:
PWM:SOURce {INTernal|EXTernal}
Modulation
In
+5 V
0 V
-5 V
33210A users guide.book Page 89 Wednesday, July 16, 2008 11:16 AM
Summary of Contents for 33210A
Page 1: ...Keysight 33210A 10 MHz Function Arbitrary Waveform Generator User s Guide ...
Page 2: ......
Page 3: ......
Page 14: ...12 Contents Contents 33210A users guide book Page 12 Wednesday July 16 2008 11 16 AM ...
Page 15: ...1 1 Quick Start 33210A users guide book Page 13 Wednesday July 16 2008 11 16 AM ...
Page 53: ...3 3 Features and Functions 33210A users guide book Page 51 Wednesday July 16 2008 11 16 AM ...
Page 273: ...5 5 Error Messages 33210A users guide book Page 271 Wednesday July 16 2008 11 16 AM ...
Page 301: ...6 6 Application Programs 33210A users guide book Page 299 Wednesday July 16 2008 11 16 AM ...
Page 311: ...7 7 Tutorial 33210A users guide book Page 309 Wednesday July 16 2008 11 16 AM ...
Page 335: ...8 8 Specifications 33210A users guide book Page 333 Wednesday July 16 2008 11 16 AM ...