HP 8904A - Page 151

HP 8904A Option 005 3A-5
All instruments that are to be phase synchronized must have Special
Function
# 6 enabled by pressing f2, ON.
Only one of the instruments may be set to be the Master controller.
Use the same key sequence
(f2, ON) to enable this function.
Press f4 to return to the Main Selection Level menu.
You can now make whatever signal and output settings you need on
each of the connected instruments. Once all instrument settings have
been made, press the SHIFT, 0 RESET keys on the Master controller
to synchronize all of the connected instruments.
Whenever the frequency or destination of any channel on a Slave
instrument is changed, or
if it is turned off and on, a RESET must
be performed by the Master controller to re-synchronize all channels.
An Example of Phase Synchronization
The following operation example uses three HI? 8904As equipped
with Option
005. It utilizes one output per instrument to provide
three separate phase-synchronized signals. If you are not familiar with
the Channel Configuration operations needed to output a signal, refer
to the
HP 89044 Multifunction Synthesizer Basic Operation and Application
guide for detailed operating instructions.
1) Connect the necessary power splitters and cables (use figure 3-1
as a guide).
2) Turn all the instruments on and enable special function
#6 - Enable synchronous mode. (This is required for the Master
controller and all Slave instruments.)
3) To set up the Master controller, enable special function
#7 - Configure as MASTER controller.
4) Return all instruments back to the Main Selection Level menu.
5) Access the Channel Configuration Mode for all instruments and
make the following Channel A settings:
0 FREQ 1000.0 HZ
0 AMPTD 1.000 V
PHASE 0.0 deg
0 DSTN Out1
0 WFORM settings: Master controller = Sine /L; Slave #1 = Sq
TI; Slave #2 = Tmgl 'b.
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