The dual-channel 397 systems breaks new ground in universal waveform generator design. With its unprecedented combination of universal generator synthesizer, versatility, high resolution wide frequency range, 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 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 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 deming applications like telecommunications, radar, ultrasonic audio 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 sample rate, the 397 offers enormous flexibility power for creating custom complex arbitrary waveforms.

Stard waveforms. Output frequency range is 100 mHz to 50 MHz for sine, square up to 12.5 MHz for triangle, pulse/ramps, Gausian pulse, exponential decaying/rising pulse sine(x)/x stard waveforms with rom noise 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 synonous with the output waveform or in FM sweep modes the output generates a marker at designated sample clock frequencies. A multi-instrument synonization connector is provided to synonize one instrument to multiple slave units, thereby creating a multi-channel fully synonized jitter-free system.

ArbExplorer Software for Windows® is included as stard for automated test application simplifying arbitrary waveform creation editing. The 397 has IEEE 488.2, USB 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 synonization 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 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; 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 stard or arbitrary waveforms. User defined modulating arbitrary waveforms can be of any shape from 10 to 20 k points sampled at a rate up to 2 MS/s. The 397 also generates FSK ramped FSK linear or logarithmic sweep outputs.

Output waveforms are generated in normal (continuous), triggered, ed burst 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 repeated in any combination, both manually 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 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, then idles until the next trigger is received.

Waveforms

Stard waveforms: sine, square, triangle, ramp, sinc, pulse, noise, Gaussian as well as dc

Sine

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 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

Square

Range	0.1 mHz to 50 MHz
Resolution	0.1 mHz or 7 digits
Rise fall times	< 10 ns

Triangle

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

Pulse

Range	0.1 mHz to 12.5 MHz
Delay	0 % to 99.9 % of period
Rise fall times	0 % to 99.9 % of period
High time	0 % to 99.9 % of period
Resolution	0.10%

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

Amplitude

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 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 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 stard arbitrary
Carrier frequency	125 Msample/s for ARB 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 comm
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 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 comm
Tone switching	FSK tone switching for all waveforms
External AM	Via rear panel BNC input, dc-500 kHz for all stard arbitrary waveforms

Outputs Inputs

Main outputs

397:00:00

Two channel

Sync outputs

Front panel BNC connector generates sync pulse synonous with output waveform. In FM sweep modes this output is synonous 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 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 DSUB connector

Connect instruments to achieve synonization. DSUB 9- pin connector 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 stard arbitrary waveforms

Modulation freq.

DC to 500 kHz

Modulation depth

0 % to 100 %

Inter-channel synonization

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Both channels are tightly synonized in phase waveform start. Channel 2 has sample clock divider for arbitrary sequenced waveforms.

Phase resolution

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1 sample clock period of channel 2

Skew error

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± 2 ns

Inter-instrument synonization

Two or more instrument may be slaved to one 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 management including an equation editor, clipboard import/export freeh drawing.

Interface types

397:00:00

GPIB, USB 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 IEEE-488.2

Ethernet

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Twisted pair 10/100Base-T, auto negotiation

USB

397:00:00

Type A receptacle, version 2.0

Display

397:00:00

3.5 in color LCD reflective, 320 x 240 pixels, back-lit

Size

88 x 415 x 212 mm (H x D x W)

Weight

6 kg (13 lb)

Power

85 V to 265 V, 48 - 63 Hz, 60W

Operating temperature range

0 °C to 50 °C

Operating huity (non condensing)

	11 °C to 30 °C 85 % RH;
	31 °C to 40 °C 75 % RH;
	41 °C to 50 °C 45 % RH

Storage range

–20 °C to + 60 °C

Environmental

	Operating altitude: 10,000 feet
	Storage: 15,000 feet
	Pollution degree 2

Safety

Complies with EN61010-1

EMC

Complies with EN61326, CE marked

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