39A Universal Waveform Generator
Trigger source:
Manual trigger key, internal trig-
ger generator, external trigger
input or remote trigger command.
Trigger rate: Internal trigger
generator: DC to 100 kHz.
External signal: DC to 1 MHz.
Gated
The selected waveform is output
continuously at the programmed
frequency while the selected
trigger signal is true.
Waveforms: All standard and
universal waveforms.
Gate trigger source:
Manual trigger key, internal trig-
ger generator, external trigger
input or remote trigger command.
Trigger rate: Internal trigger
generator: DC to 50 kHz.
External signal: DC to 1 MHz.
Frequency sweep
Both standard and universal
waveforms may be swept.
Universal waveforms are
expanded or condensed to exact-
ly 4,096 points and DDS tech-
niques are used to perform the
sweep.
Waveforms:
All waveforms except pulse,
pulse-train and sequence.
Sweep modes:
Manual, continuous, triggered; lin-
ear or logarithmic; up or down.
Sweep range: 1 mHz to 10 MHz
in one range. Phase continuous.
Independent setting of start and
stop frequencies.
Sweep time: 30 ms to 999s
(3 digit resolution).
Marker:
Programmable at any single fre-
quency in the sweep range.
Sweep trigger source:
Manually from keyboard, internal
trigger generator, external trigger
input or remote trigger command.
Sweep hold: Sweep can be
held and restarted by the hold
key. Must be used in continuous
sweep mode.
Tone
Allows standard or universal
waveform frequency switching
up to 16 frequencies. Generating
DTMF signals is possible by sum-
ming the outputs of two
the 39As.
Waveforms:
All waveforms except pulse,
pulse-train and sequence.
Frequency list:
Up to 16 frequencies from
1 mHz to 10 MHz.
Switching sources:
External trigger input.
External amplitude mod-
ulation
Carrier frequency: Entire range
for selected waveform.
Carrier waveforms:
All standard and universal wave-
forms.
Modulation source:
VCA/SUM IN input.
Modulation frequency range:
DC-100 kHz.
Modulation signal range:
Approximately 2.5 Vpp for 100%
level change at maximum output.
External signal summing
Carrier frequency: Entire range
for selected waveform.
Carrier waveforms: All standard
and universal waveforms.
Sum source: VCA/SUM IN input.
Frequency range: DC-10 MHz.
Signal range: Approximately
2.5 Vpp for 10 Vpp output (50Ω).
Remote interfaces
RS-232
Variable baud rate, 9600 baud
maximum. 9-pin D-connector.
GPIB
Conforms with
IEEE-488.1and IEEE-488.2.
Drivers
LabVIEW™ driver available
upon request.
Inputs
Trigger input
Frequency range: DC to 1 MHz.
Level range: ±10V.
Minimum pulse width: 50 ns
for trigger and gated modes;
50 µs for sweep mode;
20 ms for tone mode.
Input impedance: 10 kΩ.
VCA input (for AM mode)
Frequency range:
DC to 100 kHz
Signal range: 2.5V for 100%
level change at maximum output.
Input impedance:
Typically 6 kΩ.
Summing input
Frequency range:
DC to >8 MHz.
Signal range: Approximately
2 Vpp input for 20 Vpp output.
Input impedance:
Typically 1 kΩ.
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