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 | Oscillation Frequency: 0.01 µHz to 30M Hz |
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| Above all else, function generators must be very accurate. The WF1973 and WF1974 are high-specification instruments that deliver exceptional precision, stability and reliability in support of a wide variety of applications. | |
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 | Equipped with standard, arbitrary and “parameter-variable” waveforms. |
| Output Waveforms: Sine, square, pulse, ramp, noise, DC, arbitrary and parameter-variable | |
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| Sine wave | Square wave | Pulse wave |
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| Ramp wave (Synmetry variable) | Noise (Gaussian distribution) |
 | Up to 512 K words/Waveform, 4 M words | |||
| Arbitrary waveforms up to 512 K words can be output. Up to 128 waveforms can be stored in the large 4 M words memory. Highly precise waveforms are generated using high-resolution (14-bit), high-speed (120M samples/sec) sampling. Waveforms can be generated easily either via the control panel (linear interpolation of control points) or in software using the Arbitrary Waveform Editor, which also allows external data to be imported and mathematical expressions to be applied. Preprogrammed parameter-variable waveforms can be retrieved and edited as required. | ||||
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| Oscillation Modes: Continous, burst/trigger/gate, internal/external modulation, sweep and sequence |
 | Sweep and modulation functions |
| Frequency, phase, amplitude, DC offset and duty sweeps can be performed in one-way or shuttle, linear or logarithmic slope*, and continuous, single-shot or gated single-shot modes. Marker and X-drive outputs are available. DC offset modulation and PWM modes are supported as well as FM, FSK, PM, PSK, and AM—both internal and external modulation. These function generators can address a wide range of applications, including baseband functional testing for digital communications. | |
| * Logarithmic mode is supported only for frequency sweeping. | |
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| Amplitude sweep | Gated sweep | AM |
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| Offset modulation | PWM |
| Burst/grigger/gate |
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| In the burst oscillation mode, oscillation can be started or stopped at any wave count. | |||||||||
WF1973 and WF1974 support four modes; Auto burst: No trigger is neededTrigger burst:Oscillation in sync with the trigger Gate: Oscillation in sync with the gate signal Triggered gate: Gate oscillation switched on/off by gate upon trigger | |||||||||
The phase where oscillation starts/ | |||||||||
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| As pulse generator |
| With great speed and operability, the WF1973 and WF1974 show excellent performance when used as a pulse generator or signal source for digital circuits. The duty/time, rising time, and falling time of pulse waves can be individually set, so these generators are best suited to operation testing of a wide variety of digital equipment and devices, data transmission equipment, and more. | |
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| Pulse width variable | Rising/falling time variable | Rising time (15 ns) X: 10 ns/DIV, Y: 2 V/DIV |
| External 10 MHz frequency reference input, synchronous operation of multiple generators |  WF1973 rear panel |
| A high-accuracy frequency can be output when an external 10 MHz standard signal is input into the external 10 MHz frequency reference input (REF IN). Synchronous operation of up to six units is possible in the form of master/slave connections*, using the frequency reference output (REF OUT) and frequency reference input (REF IN). A multi-channel (multi-phase) oscillator can be configured. | ||
| * A BNC cable is used for connection. |
| User-defined unit function |
| AThe frequency, period, phase, amplitude, DC offset and duty can be set and displayed in desired unit (up to four characters), using a specified conversion expression. |
| Other features ...... | |
| Input/output signal ground independent of housing and signal ground between channels also insulated. |
| Output voltage under specified load impedance can be set and displayed. |
| External signals can be added and output. |
| Up to ten settings can be saved. |
| USB and GPIB interfaces |
| LabVIEW driver included. |
| Power supply input for 90 V AC to 250 V AC enables worldwide use. |
| Waveform display (TFT color LCD with the QVGA high resolution) |
| Flat and light body (88 mm high, approx. 2.1 kg) |
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