NF WAVE FACTORY WF1967, Instruction Manual (Operations, Page: 315 / 330

17.14 Synchronization of Multiple Units
WF1967/WF1968 17-25
17.14 Synchronization of Multiple Units
Connection Connect the frequency reference output of the master unit
to the frequency reference input of the slave unit
Connect the frequency reference output of the slave unit to
the frequency reference input of the other slave unit
Connection method 1
Connection method 2
Connection cables
Cable type
Characteristic impedance 50 Ω series coaxial cable with
BNC connector (RG-58A/U etc.)
Restriction to cable length 1m or less between units, total cable length is 3m or less
Maximum number of units for connection
Connection method 1: 6 units including master unit
Connection method 2: 4 units including master unit
Phase synchronization operation Manual operation
Time difference between unit
Delay of each channel against each of a master instrument on the Nth slave unit (1
≦
N )
Connection Method1: (31ns+(N-1)×5ns)±25ns or less typ.
Connection Method2: (31ns+(N-1)×31ns)±25ns or less
typ.
Conditions: Continuous oscillation, same frequency, same
phase, same waveform (sine wave and square
wave), load 50Ω, DC offset setting 0V,
amplitude setting 10Vp-
p/50Ω, and
connecting cable length of frequency
reference output between external frequency
reference input 1m (RG-58A/U)
Master unit
Master unit
Slave unit Slave unit
Slave unit
50
Ω
termination
resistor
T-shaped divider T-shaped divider
External reference
can be used
Slave unit Slave unit
External reference
can be used