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Ultraview Announces Dual Channel 0.05 - 800 MHz PCIe Direct Digital Synthesizer

Mon, 06/23/2014 - 10:19am
WDD Staff

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Ultraview Corporation (Berkeley, CA), a maker of high speed data acquisition and frequency synthesis boards, announces a Dual DDS PCIe board with rapid profile switching for demanding uses in communications, RADAR, medical imaging, spectroscopy, RF/Microwave testing, and other critical applications.

In the simplest mode, a user can simply use the LabVIEWTM or QT GUI to program a single frequency or two separate frequencies, one on each channel. Or, he/she can preset up to eight frequency/phase/amplitude profiles, and then just press a button to select which profile each synthesizer is to use – much like a car radio.

If fast frequency/amplitude/phase switching is desired, the external TTL rapid profile control mode allows each synthesizer channel to be independently switched externally in frequency and/or amplitude and/or phase. Up to eight complete profiles can be programmed in advance, using either a C program or via user entry into fields in a simple GUI control panel. Then, the frequency profiles can be dynamically selected via a 3-bit TTL vector which may be externally input via a small connector block containing six SMA connectors, three for each channel. Of course fewer profiles may be selected. For example, for simple frequency shift keying (FSK) a single TTL input can be used to tell the Synth1000x2 to rapidly switch between two frequencies on a single channel.

Alternatively, instead of up to eight profiles on two separate channels, 16 switchable profiles can be achieved on a single channel by connecting the two outputs to a simple resistive power combiner.

While the Synth1000x2 is rated to produce frequencies from 0.1 to 800 MHz, it can, with reduced performance and amplitude produce signals from 10 KHz to 1,000 MHz.

In addition to the two programmable sine-wave outputs contained in all Synth1000x2 models, the Synth1000x2-SQR model can concurrently output two sine waves and two 1 V p-p AC-coupled square waves with 200 ps rise and fall times, for low-jitter control of external apparatus, such as heterodyned RADAR pulse generators and samplers. The frequency range of the sine wave outputs is 0.1 to 800 MHz, while that of the 2 V p-p square wave outputs is 5 to 800 MHz.

All models include 64-bit WindowsTM 7/8 driver packages, as well as comprehensive C example programs, and LabVIEWTM and QT GUIs for Windows. Additionally C example programs and a QT GUI-based control panel are included for CentOS 6.4 linux.

Features include:

  • Based on two AD9914 DDS ICs.
  • Driven by single 3.5 GHz CRO.
  • Synced to a 1 ppm-accurate TCXO timebase.
  • Can be set to produce 2 independent sine wave outputs.
  • Frequency, amplitude, optional sweep rate, and phase of outputs can either be changed manually using either a LabVIEWTM or QT GUI.
  • Alternatively, can be dynamically switched in real time (in under 50 ns), allowing the creation of complex modulated carriers, or rapid waveform sequences.
  • High speed dynamic switching among up to 8 separate profiles on each synthesizer.
  • Can either be controlled by software or by three external TTL inputs.

For more information visit ultraviewcorp.com.

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