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Products
The products listed here are for overseas markets, not for Japan domestic.
- Electronic Measuring Instruments
- Signal Generator / Signal Inspector
- NF Multifunction Generator WF1947 / WF1948
"The Function Generator" that NF offers
Ever since NF developed the first function generator in Japan, we’ve been addressing the true needs of our customers. Our function generators have been evolving along with our customers’ desires and our determination to satisfy them.
These new products are new additions to our WAVE FACTORY product lineup. WAVE FACTORY products boast accurate and stable output, an abundance of output waveforms, various oscillation modes for various purposes, outstanding user-friendliness and the flexible generation of waveforms that engineers need.
NF considers oscillators that offer the flexible generation of waveforms as the standard, and we continue to offer function generators with ever more advanced functions.
Note: The model WF1948 is discontinued.
Multifunction Generator
Model:
WF1947 / WF1948
Maker:
NF Corporation
Features
- Low noise The noise level is reduced to roughly one-tenth of those of previous models* at comparatively high voltage output (about 2Vp-p/50Ω, without DC superposition) and within frequencies of up to 300kHz. By employing an attenuator, the noise level at the low voltage output of about 1Vp-p or lower has been reduced to between a half and one-third those of previous models. In all of the output ranges, dramatic noise reduction has been realized, which makes this product perfect for a wide range of uses.
Previous models : WF1973 / WF1974 - Waveform amplitude resolution: 16 bits The circuit structure we developed has realized a 16-bit resolution of waveform amplitude, which is the highest of any oscillator designed for a maximum frequency of 30MHz. High-quality 16-bit resolution of waveform amplitude is provided for all the waveforms you might need, including sine, square and arbitrary waveforms.
- High amplitude setting accuracy The auto range function facilitates the optimum selection of output voltage range, according to the amplitude and DC offset settings.
- Floating Each output terminal is insulated from the housing, which makes it possible to connect the terminal to equipment with dissimilar electric potentials,reduces noise caused by ground loops.
Examples of use
- Ultrasonic motor drive test, differential input / balanced input test, LCD panel operation test, digital circuit evaluation test, evaluation of various ICs
- Simulation of gear rotation signal/Inverter evaluation/ABS・Power Steering Device Test/ECU・ sensor operation test
- Echo canceller test, amplifier and speaker tone burst test / linearity measurement, wireless communication equipment evaluation test
Specifications
Note: The model WF1948 is discontinued.
| Model name | WF1947 | WF1948 | |
|---|---|---|---|
| Product name | Multifunction generator | ||
| Oscillation frequency | 0.01 μHz to 30 MHz | ||
| Number of Channels | 1 | 2 | |
| Vertical resolution for waveform | 16 bits | ||
| Waveform and frequency range | Sine | 0.01 μHz to 30 MHz | |
| Duty fixed | 0.01 μHz to 70 MHz | ||
| Duty variable | |||
| Pulse | 0.01 μHz to 20 MHz | ||
| symmetry variable | 0.01 μHz to 50 MHz | ||
| Parameter-variable waveforms (25 types) | – | ||
| Arbitrary waveform | 0.01 μHz to 5 MHz | ||
| Noise | Bandwidth: 26 MHz | ||
| Frequency setting resolution | 0.01 μHz | ||
| Rising / falling variable | Pulse: 15 ns to 62.5 Ms | ||
| Arbitrary waveform data length / number of waves | 512 K words / 128 waves, 4 M words | ||
| Maximum output voltage / resolution | 20 Vp-p / open, 10 Vp-p / 50 Ω Resolution: 0.1 mVp-p or 1 mVp-p (depending on conditions) |
||
| Oscillation mode | Continuous oscillation | ○ | ○ |
| Burst / trigger / gate / triggered gate | ○ | ○ | |
| Sweep | Frequency, phase, amplitude, DC offset, duty ratio |
||
| Internal modulation | FM, FSK, PM, PSK, AM, DC offset and PWM |
||
| External modulation | |||
| Burst + modulation / Sweep + modulation | – | – | |
| Sequence | – | – | |
| Two channel mode | − | ○ | |
| Synchronous operation | ○ | ○ | |
| Synclator Function | – | – | |
| Synchronization / Sub-output | Sync signals / Internal modulation signal / Sweep X dririve | ||
| Input / output floating | ○ | ○ | |
| Isolation between channels | − | ○ | |
| External addition | ○ | ○ | |
| GPIB interface | ○ | ○ | |
| USB interface | ○ | ○ | |
| Color LCD display | ○ | ○ | |
| Arbitrary Waveform Editor | ○ | ○ | |
| Sequence Editor | – | – | |
| Power supply | 90 V to 250 V AC | ||
| Power consumption | 50 VA or less | 75 VA or less | |
| External dimensions (W × H × D)* | 216 × 132.5 × 288 mm | ||
| Weight | Approx. 2.1 kg | ||
*1 Ki: 210=1024, Mi: 220=1048576
*2 Not including projections
Generals
| Item | Specification |
|---|---|
| Display | 3.5 inch TFT color LCD |
| Input/output ground | The signal grounds for waveform output, sync/sub output and external modulation/addition input are insulated from the housing. The signal ground for external 10 MHz frequency reference input is insulated from the housing. |
| Power requirements | AC100 V to 230 V ±10% (250 V max.) 50 Hz/60 Hz ±2 Hz |
| Dimensions(mm) | 216(W) × 132.5(H) × 288(D) |
| Power consumption | WF1947: 50 VA max. WF1948: 75 VA max. |
| Operation temperature/ humidity range |
0°C to +40°C, 5% to 85% RH (Absolute humidity: 1 g/m³ to 25 g/m³, no condensation) |
| Weight | Approx. 2.6 kg (main unit excluding accessories) |
| Safety and EMC | EN 61010-1:2010/EN 61326-1:2013 |
Related Article
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