User's Manual

The Setup Menu Screen
AWG710&AWG710B Arbitrary Waveform Generator User Manual 3-43
Clock Src (AWG710B only)
This button lets you set the instrument master clock source. You can specify the
internal clock generator or an external clock signal connected to the rear
EXTCLOCK IN connector.The acceptable external clock signal is 125 MHz to 4.2
GHz, 0.4 V
p-p
to 2.0 V
p-p
into 50 Ω, and duty cycle is 50 % ± 5 %.
Use the following procedure to select the clock source:
1. Push SETUP (front)!Horizontal (bottom)!Clock Src (side).
2. Push the Clock Src side button to toggle between Internal and External.
NOTE. If the reference clock signal frequency connected to the 10MHz REF OUT
connector is not appropriate, PLL UNLOCKED message will appear when you
select External in the Clock Ref menu.
NOTE. If you use the external clock, you can not change the output waveform clock
rate with AWG710B Waveform Generator Clock menu or SAMPLE RATE/SCALE
knob.