MMF006908

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MMF006908 is termed as a multi-mode filter used for signal processing and communication. It is a high performance single-ended low pass filter which covers up to three octave frequency range. This filter is ideal for applications which require a wide bandwidth, high order low pass filter in a single physical package.

The open-loop gain of the MMF006908 is merely +3.6 dB between the input port and the output port. The frequency range, full width at half maximum (FWHM), ripple and the operation lies between 0.2 and 12 GHz. A ladder and filter topology connected to the differential ports is used for this application.

Application Field

The primary application field of MMF006908 is in digital communication systems and cable television systems. This filter is useful in applications in which continuous frequency bandwidth in a single physical package is needed. It can also be used to improve system noise immunity and large signal dynamics in radios and transmitters for various communication systems.

Working Principle

The working principle of MMF006908 is based on a ladder and filter topology connected to differential ports. It offers a two-pole low pass filter design with a bandwidth stretching up to octave. It also features flat pass band response up to 0.2GHz. The filter design has a maximum attenuation of 40 dB at 1.5 GHz and maximum attenuation of 20 dB at 12 GHz.

The MMF006908 also features impedance matching and has 75 Ohm impedance level. The open-loop gain of the filter is 2.6 dB and the 3 dB bandwidth is 5.2 GHz. The filter features a low insertion loss of 0.2 dB and a maximum passband ripple of 0.2 dB. It also has a high common mode rejection ratio (CMRR) of 50 dB.

Besides the low pass filter design, the MMF006908 also features high performance input/output ports. These ports support high speed clock signals and data signals. The differential ports can be directly connected to the antenna for transmitting wireless signals in the desired frequency range.

Conclusion

In conclusion, MMF006908 is an ideal filter for applications which require wide bandwidth, high order low pass filter in a single physical package. It offers an excellent performance with a low insertion loss of 0.2 dB, a maximum passband ripple of 0.2 dB and a high CMRR of 50 dB. This filter can be used to improve system noise immunity and large signal dynamics in radios and transmitters for various communication systems.

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