DM51156

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The DM51156 is a digital frequency synthesizer (DFS) from Directed Measurement Inc (DMI). It is a wideband, direct digital synthesizer (DDS) with a nominal frequency resolution of 0.001 Hz up to 99.999 MHz, providing an excellent platform for testing, evaluating, and/or controlling systems dealing with a variety of communication and signaling protocols.

The DM51156 digital frequency synthesizer provides superior performance and value in a wide range of applications. It is used in laboratory RF instruments, industrial and commercial applications, as well as a general-purpose signal source for measurement purposes.

The DM51156 is designed to generate precisely controlled frequency signals for RF instruments, test and measurement, and communications systems. It is a precise, low power, wide dynamic range, high-performance device, capable of generating frequencies up to 99.999 MHz over two-way bus interfaces.

DM51156\'s advanced features include low harmonic distortion, high output power, wide frequency range, precise frequency control, flexible control interface, and low frequency drift.

The DM51156 operates on digital input signals, and it can be used as a standalone device or with various software programs. It is also capable of generating random signals, loopback testing, digital frequency modulation, and external clocking. It is suitable for use in a variety of communication systems such as tv broadcasting, mobile networks, GSM and many more.

The primary application of a DM51156 is to generate precise frequency signals, such as harmonic signals for radio communications systems. It is also used in testing, monitoring, and debugging of communication systems, as well as providing a source of intermodulation distortion (IMD) generation. It can be used to generate periodic waves for spectrum analyzers and for producing calibration signals.

The DM51156 working principle is based on the DDS (Direct Digital Synthesizer). This digital frequency synthesizer uses a phase accumulator, which is incremented in fixed periods. The data from the phase accumulator is used to update the DAC (Digital-to-Analog Convertor), which results in a stable precision output frequency. The advantage of a DDS is that it can precisely generate any frequency up to its specified maximum frequency with very low phase noise.

The DM51156 provides various frequency resolution such as 0.001 Hz, 0.01 Hz, 0.1 Hz, 1 Hz, 10 Hz, and 100 Hz resolution, which allows it to generate precisely defined signals. Additionally, it offers power amplifiers and NCU (Non-Coherent Up) Converters, which facilitate efficient frequency and power range application.

In summary, the DM51156 is a precise, low power, wide dynamic range, high-performance device that can generate frequencies up to 99.999 MHz with precise frequency control and excellent stability. Its wide range of applications and features make it an excellent choice for a variety of communication and test and measurement needs.

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