TFF1017HN/N1,135

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
RF Type:	Ku-Band
Frequency:	10.7GHz ~ 12.75GHz
Number of Mixers:	1
Gain:	42dB
Noise Figure:	7dB
Secondary Attributes:	Down Converter
Current - Supply:	52mA
Voltage - Supply:	4.5 V ~ 5.5 V
Package / Case:	16-VFQFN Exposed Pad
Supplier Device Package:	16-DHVQFN (2.5x3.5)

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RF Mixers

RF mixers are essential components for any RF communication system. They are used for frequency conversion or signal combining and are key building blocks in many different types of systems. The TFF1017HN/N1, 135 can be classified as an RF mixer. This article will discuss the application field and working principle of the TFF1017HN/N1, 135 mixer.

Application Field

The TFF1017HN/N1, 135 is a low-noise RF mixer designed for signal conversion of broadband signals in the 0.5 to 3.0GHz frequency range. It is ideal for applications where minimal phase distortion and high linearity with RF signals are required, such as receivers and transmitters used in commercial wireless systems. The TFF1017HN/N1, 135 can also be used in base station applications, allowing for multiple carriers/users to share a single RF signal.

Working Principle

The TFF1017HN/N1, 135 operates on a double-balanced mixer topology. This type of mixer can perform both up- or down-conversion, as well as high-frequency shifting of an RF signal. The TFF1017HN/N1, 135 employs a transformer-coupled pair of diodes for achieving a high level of linearity and low-noise. The RF input port of the mixer is connected to the primary winding of the transformer through a low-pass filter, while the other port is connected to the center tap of the secondary winding. The RF signal from the input is then split into two equal but opposite-polarity signals. These two signals are applied to the opposing diodes and the output is taken from the mix of these two signals.In addition to up- or down-conversion, the double-balanced mixer can also split signals, such as for multiple-user applications. This is achieved by either connecting the RF port to the center tap of the transformer, or by connecting it to the primary winding of the transformer through an additional low-pass filter. This way, the RF signal can be split into two signals for simultaneous transmission.

Conclusion

The TFF1017HN/N1, 135 is an RF mixer designed for signal conversion of broadband signals in the 0.5 to 3.0GHz frequency range. It is ideal for applications where minimal phase distortion and high linearity with RF signals are required, such as receivers and transmitters used in commercial wireless systems. This mixer employs a double-balanced topology, which can perform both up- or down-conversion, as well as high-frequency shifting of an RF signal. It can also be used for multiple-user applications, as the transformer-coupled pair of diodes allow for splitting signals.

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