SDG800 User Manual 109
3.14. Example 14: Generate a PWM Wave
Generate a PWM waveform with 200Hz key frequency. The carrier is a pulse
wave with 5kHz frequency.
Steps:
Set the frequency, amplitude and offset of the carrier wave.
1. Press Pulse , and choose the Pulse waveform as the carrier wave
2. Press Freq and choose Freq which will display in white color. Input
‘5’
from the keyboard and choose the unit
‘kHz’ to set the frequency 5kHz
3. Press Ampl and choose Ampl which will display in white color. Input
‘5’
from the keyboard and choose the unit
‘Vpp’ to set the amplitude 5Vpp.
4. Press Offset and choose Offset which will display in white color. Input
‘0’
from the keyboard and choose the unit
‘Vdc’ to set the offset 0Vdc.
5. Press PulWidth and choose PulWidth which will display in white color.
Input ‘40’ from the keyboard and choose the unit ‘us’ to set the PulWidth
40us
Set the modulation type PWM and parameters.
1.
Press Mod →Type →PWM, Please notice that the message shown on
the middle left side of the screen is
‘PWM ’.
2. Press PWN Freq, input
‘200’ from the keyboard and choose the unit ‘Hz’
to set the key freq 200 Hz.
3. Press Width Dev, input
‘20’ from the keyboard and choose the unit ‘us’ to
set the Width Dev 20us
Summary of Contents for SDG800 Series
Page 32: ...SDG800 User Manual 22 Figure 2 5 Setting the Offset...
Page 42: ...SDG800 User Manual 32 Figure 2 15 Setting the Rise edge...
Page 83: ...SDG800 User Manual 73 Source Internal...
Page 95: ...SDG800 User Manual 85 Figure 3 1 Sine Waveform...
Page 97: ...SDG800 User Manual 87 Figure 3 2 Square Waveform...
Page 104: ...SDG800 User Manual 94 the wave generated is shown in Figure 3 6 Figure 3 6 Sinc Waveform...
Page 110: ...SDG800 User Manual 100 Figure 3 9 AM Waveform...
Page 112: ...SDG800 User Manual 102 3 10 Figure 3 10 FM Waveform...
Page 114: ...SDG800 User Manual 104 Figure 3 11 PM Waveform...
Page 116: ...SDG800 User Manual 106 Figure 3 12 FSK Waveform...
Page 118: ...SDG800 User Manual 108 Figure 3 13 ASK Waveform...
Page 122: ...SDG800 User Manual 112 Figure 3 15 DSB AM Waveform...