Pentek 1420 DC-20 MHz Direct Digital Frequency
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Pentek 1420 DC-20 MHz Direct Digital Frequency

Installed Options: 004 (+/- 3ppm internal reference).

This unit features adjustable Gain, Offset and Output controls which can be seen here.

Part Number: 002.10200, 8363001D, 320-14200

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Stock # 59329-3
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Pentek 1420 DC-20 MHz Direct Digital Frequency Synthesizer

  • Four Channels
  • Direct Digital Synthesis
  • DC to 20 MHz Frequency Range
  • 0.012 Hz Resolution
  • Sine Wave and TTL Outputs
  • Phase-Continuous Frequency Programming


The Pentek Model 1420 Direct Digital Synthesizer is a complete instrument packaged on a VMEbus card containing either one or two detachable synthesizer modules. Each module contains two independently programmable synthesizers, providing a total of four output channels for the card. The output frequency range of each synthesizer is DC to 20 MHz.

Each of the four outputs can be configured either as a sine wave or TTL-compatible pulse signal available on a BNC connector mounted on the VME front panel. A 10 MHz crystal oscillator provides the frequency reference from which all accuracy and stability specifications are determined. An external 10 MHz reference may be provided to lock the Model 1420 to a system reference.

The Model 1420 may be operated in fixed frequency or Frequency Shift Keying modes (FSK). Several phase modulation modes are also available such as Binary Phase Shift Keying (BPSK) and Multiple Shift Keying (MSK).

The ability to adjust phase between multiple TTL signals is a feature that makes the synthesizer useful in many digital test systems.

Important Notice: Please note that any additional items included with this equipment such as accessories, manuals, cables, calibration data, software, etc. are specifically listed in the above stock item description and/or displayed in the photos of the equipment. Please contact one of our Customer Support Specialists if you have any questions about what is included with this equipment or if you require any additional information.

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Pentek 1420 DC-20 MHz Direct Digital Frequency Synthesizer

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Manuals, Datasheets, Drivers, Links

Pentek 1420 Datasheet (pdf) 
Pentek 1420 Manual (pdf) 
Link to Pentek Website 

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