FLuke-Universal Waveform Generator (Model:397)

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 125 MS/s high performance universal waveform generators

  • Unprecedented combination of universal generator and synthesizer
  • Versatile performance
  • High resolution and wide frequency range
  • Extremely good performance-to-price ratio

The dual-channel 397 systems breaks new ground in universal waveform generator design. With its unprecedented combination of universal generator and synthesizer, versatility, high resolution and wide frequency range, and extremely good performance-to-price ratio, the 397s offer a range of benefits that will facilitate work in many fields.

The Fluke 397 dual channel arbitrary waveform generator breaks new ground in value. This high performance signal source features an unprecedented combination of vertical resolution, memory depth and sample rate.

14-bit resolution. The 14-bit resolution provides 16,384 output levels to generate audio waveforms with excellent fidelity. It also allows video and other complex waveforms to be generated with small details superimposed on large signals.

Fast sample rate. The 125 MS/s sample rate translates into excellent performance at high frequencies, meeting the requirements of demanding applications like telecommunications, radar, ultrasonic and audio and video communication.

Deep memory. The 397 offers 4 MB word memory, which can be divided into as many as 2048 segments. When combined with the 14-bit vertical resolution and sample rate, the 397 offers enormous flexibility and power for creating custom complex arbitrary waveforms.

Standard waveforms. Output frequency range is 100 mHz to 50 MHz for sine, square and up to 12.5 MHz for triangle, pulse/ramps, Gausian pulse, exponential decaying/rising pulse and sine(x)/x standard waveforms with random noise and a dc source. Output amplitude range can be adjusted from 10 mV to 10 V p-p into 50 Ω within a ±5 V window.

The 397 generator is also equipped with a SYNC/Marker output. Available in all modes, the output generates pulses synchronous with the output waveform or in FM and sweep modes the output generates a marker at designated sample clock frequencies. A multi-instrument synchronization connector is provided to synchronize one master instrument to multiple slave units, thereby creating a multi-channel fully synchronized and jitter-free system.

ArbExplorer Software for Windows® is included as standard for automated test application and simplifying arbitrary waveform creation and editing. The 397 has IEEE 488.2, USB and 10/100 Ethernet.

Dual channels. The 397 is a dual channel arbitrary waveform generator with two channels that share a single sample clock in order to provide tight control over inter-channel synchronization and leading edge start phase, the initial skew between two channels is just a few nanoseconds. Each channel can be controlled separately to generate different waveform, amplitude and waveforms sequence.

The 2-channel output signal’s inter-channel operation is controlled by two parameters: leading edge offset, which causes the edge of channel 2 to trail channel 1 by a programmable number of points; and channel 2 sample clock divider, which divides the sample clock source to channel 2 from 1 to 64 k. 
The sample clock can be frequency modulated by standard or arbitrary waveforms. User defined modulating arbitrary waveforms can be of any shape from 10 to 20 k points and sampled at a rate up to 2 MS/s. The 397 also generates FSK and ramped FSK and linear or logarithmic sweep outputs.

Output waveforms are generated in normal (continuous), triggered, counted burst and gated operating modes. Trigger source can be either internal (100 mHz to 2 MHz) or external TTL, positive or negative 2 MHz to dc signal.

Sequence generator. When the sequencing facilities are invoked, the 397 becomes truly unique. The memory segments can be linked and repeated in any combination, both manually and under programmed control. Additional versatility is obtained by using the independent sequencing on the two channels.

In the automatic advanced mode, the complete sequence runs continuously and automatically under the control of a pre-programmed table.

In the stepped sequence-advance mode, the current segment is looped continuously until a trigger is received, when the next segment is invoked. The single sequence advance mode runs the current segment once only, and then idles until the next trigger is received.

Waveforms Standard waveforms: sine, square, triangle, ramp, sinc, pulse, noise, Gaussian as well as dc
Range: 0.1 mHz to 50 MHz
Resolution: 7 digits or 0.1 mHz
Accuracy: < 1 ppm for 1 year
Temp. coefficient: < 1 ppm/°C
Harmonic distortion and non related spurious below 10 MHz: < 0.1 % THD to 100 kHz (2000 waveform points)
< –55 dBc to 1 MHz
< –40 dBc to 5 MHz
< –35 dBc to 10 MHz
< –22 dBc to 50 MHz
Range: 0.1 mHz to 50 MHz
Resolution: 0.1 mHz or 7 digits
Rise and fall times: < 10 ns
Range: 0.1 mHz to 12.5 MHz
Resolution: 0.1 mHz or 7 digits
Accuracy: 1 ppm for 1 year
Linearity error: < 0.1 % to 100 kHz
Range: 0.1 mHz to 12.5 MHz
Delay: 0 % to 99.9 % of period
Rise and fall times: 0 % to 99.9 % of period
High time: 0 % to 99.9 % of period
Resolution: 0.1 %
Arbitrary Waveforms
Stored waveforms: 397: Up to 4096 each channel
Waveform length: 16 to 4 M points
Vertical Resolution: 14 bits
Sample clock Range: 100 mHz to 125 MHz
Waveform sequencing: Up to 4096 segments may be linked. Minimum segment duration 1 µs. Segments can be looped up to 1,000,000 times
Output impedance: 50 Ω
Amplitude Range: 10 mVpp to 10 Vpp (20 mVpp to 20 Vpp into open circuit)
Accuracy: < 1 % ± 25 mV between 1 V to 10 Vpp into 50 Ω
Flatness: ± 5 % to 10 MHz; ± 20 % to 50 MHz
DC offset: ± 4.5 V into 50 Ω. DC offset plus signal peak limited to ± 10 V. DC offset attenuated with amplitude Range:
Output Filters 50 MHz Elliptic and 2 MHz Elliptical
Modulation Modes
Triggered burst: Each active edge of the trigger signal will produce one burst of the carrier waveform, waveforms starts from point n and completes at point n-1
Gated: The selected waveform is output continuously at the programmed frequency while the selected gate signal is true
Waveforms: All standard and arbitrary
Carrier frequency: 125 Msample/s for ARB and Sequence. 2.5 MHz or the maximum of selected waveform
No. of cycles: 1 to 1,000,000
Trigger source: Manual trigger key, adjacent channel or internal trigger generator or external trigger input or remote trigger command
Trigger rate: Internal trigger generator: 0.1 Hz to 2 MHz; External signal: dc to 2 MHz
Start/stop phase: ± 360 ° , settable to 0.1 ° subject to waveform frequency and type
Frequency sweep: Manual, continuous, triggered; linear or logarithmic sweep; up or down. Variable sweep marker.
Sweep Range: 1 mHz to 125 MHz
Sweep time: 1 ms to 999 s
Sweep trigger source: External trigger input or remote trigger command
Tone switching: FSK tone switching for all waveforms
External AM: Via rear panel BNC input, dc-500 kHz for all standard and arbitrary waveforms
Outputs and Inputs
Main outputs
397: Two channel
Sync outputs Front panel BNC connector generates sync pulse synchronous with output waveform. In FM and sweep modes this output is synchronous with sample clock frequencies
Ext. trigger DC to 2 MHz. Threshold nominally TTL level; maximum input 5 V. Selectable as positive rising edge or negative falling edge. Minimum pulse width 20 ns for trigger and gated modes
AM input 0 V to +5 V (5 Vpp) produce 100 % modulation
Ref clock in Input for an external 10 MHz reference clock. Threshold nominally TTL level.
SCLK output, SCLK input and DSUB connector Connect instruments to achieve synchronization. DSUB 9- pin connector and cable supplied.
Inter-Channel Operation
Inter-channel modulation The waveform from any channel may be used to amplitude modulate (AM) the adjacent instrument/channel. Alternatively, any number of channels may be modulated (AM) with the signal at the modulation input socket.
Carrier frequency Entire Range: for selected waveform
Carrier waveforms All standard and arbitrary waveforms
Modulation freq. DC to 500 kHz
Modulation depth 0 % to 100 %
Inter-channel synchronization
397: Both channels are tightly synchronized in phase and waveform start. Channel 2 has sample clock divider for arbitrary and sequenced waveforms.
Phase Resolution:
397: 1 sample clock period of channel 2
Skew error
397: ± 2 ns
Inter-instrument synchronization Two or more instrument may be slaved to one master instrument. Each Slave can have a unique phase Resolution: relative to the Master.
Phase error 4 points
Skew error +/-20ns Typically with 20c"m coax cable
General Specifications
Waveform Software ArbExplorer Software for Windows is supplied with each instrument. This provides full waveform creation, editing and management including an equation editor, clipboard import/export and freehand drawing.
Interface types
397: GPIB, USB and Ethernet
Remote control Full remote control facilities are available through the interfaces
RS-232 Variable Baud rate, 115 k Baud. 9-pin D-connector
GPIB Conforms with IEEE-488.1 and IEEE-488.2
397: Twisted pair 10/100Base-T, auto negotiation
397: Hãy liên hệ với chúng tôi để biết danh sách đầy đủ về thiết bị mà chúng tôi có thể hỗ trợ và cung cấp.
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