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User Manual LW120
Gaussian Pulse
Frequency Range
Adjustable Parameters
Time Constant
Exponential Decaying/Rising Pulse
Frequency Range
Adjustabl
e Paramete
Time
Constant
NOIS
E
DC
Range
ARBITRARY WAVEFORMS
Waveform Memory
Memory Segmentati
Number of Segm
Min S
egment Size
Memory
Interleave
Vertical Reso
lution
Waveform Download
Sine Wave Performance
Descriptio
n
Sinewave Total Harmonic Distortion
Harmonics and non-related spurious
below 10MHz
SEQUENCED ARBITRARY WAVEFORMS
Operation
Advance Mode
Automatic Se
Stepped Sequenc
Single Sequence Advance
rs
on
ents
s
quence Advance
e Advance
10 mHz to 12.5 MHz, usable above 12.5 MHz
10 to 200
10 mHz to 12.5 MHz, usa
-100 to 100
-100% to 100% of amplitude
1 Meg points standard, 4 Meg points optional
1 to 4096
16 points
4 (All trace lengths must be multiples of 4)
14 bits (16,384 points)
Through RS232, or DMA channel through GPIB
Sine wave performance is measured using the maxim
sample clock rate, at 5V
resolution of the DAC (14-bit) an
analyzer settings: Start frequency = 0MHz; stop fre
50MHz (Nyquist frequency)
0.1% to 100 KHz
< -55dBc for carrier frequencies ≤1MHz
< -40dBc for carrier frequencies ≤5M
< -35dBc for carrier frequencies ≤10MHz
< -22dBc for carrier frequencies ≤50MHz
Permits division of the memory bank into smaller segments.
Segments may be linked, and repeated in user-selectable
fashion to generate extremely long waveforms.
No triggers required to step from one segment to the next.
Sequence is repea
ted continuously through a pre-
programmed
sequence table
Current segment is sampled continuo
advances to n
ext programmed segment. Control input is
TRIG IN connector.
Current segment is sampled to the end of the segment
including repeat
s and idles there. Next trigger advances to
next segm
ent. Control input is TRIG IN connector.
ble above 12.5 MHz
p-p, the maximum amplitude
d without filters. Spectrum
Hz
usly, external trigger
Specifications A-5
um
quency =
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