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Introduction and Specifications
Specifications 1
1-9
Inter-channel Operation
Inter-channel Modulation
The waveform from any channel may be used to amplitude modulate (AM) or suppressed
carrier
modulate (SCM) the next channel. Alternatively any number of channels may be
modulated (AM or SCM) with the signal at the MODULATION input socket.
Carrier frequency: Entire range for selected waveform.
Carrier waveforms: All standard and arbitrary waveforms.
Modulation types:
AM:
SCM:
Double sideb
and with carrier.
Double sideband suppressed carrier.
Modulation source: Internal from the previous channel.
External from the m
odulation input socket.
The external modulation signal may be applied to any
number of channels simultaneously.
Frequency range: DC to >100 kHz.
Internal AM:
depth:
resolution:
carrier
suppression:
0 %
to 105 %
1 %
SCM: better than -40 dB.
External modulation
signal range:
VCA: Approximately 1 V p-p for 100 % level change at
maxim
um output.
SCM: Approximately ± 1 V pk for maximum output.
Inter-channel Analog Summing
Waveform summing sums the waveform from any
channel into the next channel.
Alternatively any number of channels may be summed with the signal at the SUM IN
socket.
Carrier frequency: Entire range for selected waveform.
Carrier waveforms: All standard and arbitrary waveforms.
Sum source: Internal from the previous channel.
External from SUM IN socket.
Frequency range: DC to >8 MHz.
External signal range: Approximately 5 V p-p input for 20 V p-p output.
Inter-channel Phase Locking
Two or more channels may be phase locked together.
Each locked channel may be
assigned a phase angle relative to the other locked channels. Arbitrary waveforms and
waveform sequences may be phase locked but certain constraints apply to waveform
lengths and clock frequency ratios. With one channel assigned as the master and other
channels as slaves a frequency change on the master will be repeated on each slave. This
allows easy generation of multi-phase waveforms at the same frequency.
DDS waveforms are those with seven digits of freque
ncy setting resolution, while non-
DDS waveforms have four digits
Phase resolution:
DDS
waveforms:
non-DDS waveforms:
0.1 °
0.1 ° or 360 ° divided by the number of points,
whichever is the greater
Phase error:
all
waveforms:
<±10 ns
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