User manual

RIGOL Chapter 10 Utility Functions and System Settings
DG4000 User's Guide
10-22
Channel Coupling
DG4000 supports to enable frequency, phase and amplitude couplings separately
or at the same time. When coupling is enabled, set CH1 or CH2 as the "base"
channel and set the frequency, phase or amplitude deviation of the two channels.
Then when the frequency, phase or amplitude of the base channel is changed, the
corresponding parameter of the other channel will change automatically and
always keeps the specified frequency, phase or amplitude deviation.
Press Utility at the front panel, use
to open the 2/2 menu page and press
Coupling Set to enter the channel coupling setting interface.
1. Set the coupling base
Press Cpl Base to set "CH1" or "CH2" as the coupling base. Here, "CH2" is
selected.
Note: The coupling base cannot be changed when the coupling function is
enabled. At this point, Cpl Base is grayed out and disabled.
2. Turn on the Coupling Function
Press Coupling to turn "On" or "Off" the frequency, phase and amplitude
coupling functions at the same time. The default is "Off".
Press FreqCpl to turn frequency coupling "On" or "Off". When frequency
coupling is turned on, use the numeric keyboard or the direction keys and
knob to input the desired frequency deviation. Here, it is set to "100Hz".
Press PhaseCpl to turn phase coupling "On" or "Off". When phase coupling is
turned on, use the numeric keyboard or the direction keys and knob to input
the desired phase deviation. Here, it is set to "10°".
Press Amp Cpl to turn amplitude coupling "On" or "Off". When amplitude
coupling is turned on, use the numeric keyboard or the direction keys and
knob to input the desired amplitude deviation. Here, it is set to "1Vpp".
When the coupling base is set to "CH2", the frequency, phase and amplitude
relations of CH1 and CH2 are as follows.
F
CH1
= F
CH2
+ 100Hz P
CH1
= P
CH2
+ 10° A
CH1
= A
CH2
+ 1Vpp
A green "*" mark is displayed on the left of the frequency, phase and amplitude of