Tektronix AWG610 - Manual (Page 81)

Operating Basics
AWG610 Arbitrary Waveform Generator User Manual
2-43
Analog Circuit. The Analog Circuit block contains the Filter, Attenuator, Output
Amplifier, and Offset Circuits. These circuits are used to process signals
generated from the DAC.
ĂĂĂĂĂVCO
(Hi/LoĂband)
EXTĂREF
CLOCK
(10ĂMHz)
1/4
CLOCK
OUT
EXT
TRIG
ĂIN
EXT
EVENT
IN
Event
Control
Memory
Address Control
Analog
Output
Circuit
CH1
CH1
MARKER1
MARKER1
2 2
4
DAC
Waveform
ĂMemory
Shift
Register
REF
CLOCK
OUT
(10ĂMHz)
Trigger
Control
MARKER2
MARKER2
2 2
Frequency
Control
Reference
Oscillator
Clock
Output
Loop
Filter
DDS
Phase
Comparator
1/1024
ĂDivider
DAC ASIC
Figure 2-28: AWG610 block diagram