MAX2388ETC+T

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Discontinued at Digi-Key
RF Type:	W-CDMA
Frequency:	2.11GHz ~ 2.17GHz
Number of Mixers:	1
Gain:	17dB
Noise Figure:	2.2dB
Secondary Attributes:	--
Current - Supply:	11.7mA
Voltage - Supply:	2.7 V ~ 3.3 V
Package / Case:	12-WFQFN Exposed Pad
Supplier Device Package:	12-TQFN (3x3)

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RF Mixers: MAX2388ETC+T Application Field and Working Principle

RF mixers are widely used in many different areas such as mobile phones, radio, engineering and broadcast systems. MAX2388ETC+T is one type of RF mixers and is becoming increasingly popular as it can be used in PCS applications and other applications up to 6GHz. In this article we will discuss the application field of this particular RF mixer and its working principle.

Application Field

MAX2388ETC+T is a passive RF Mixer with low insertion loss, high isolation, excellent linearity, and low distortion characteristics. It can be used for frequency conversion in a wide range of applications from GPS and navigation sector to cellular and personal communication equipment. The RF mixer can be used in systems ranging from 0.9 GHz to 2.7 GHz and up to 6GHz. The mixer is designed to handle high power signals as well as small single and low power signals. MAX2388ETC+T is well suited for a variety of applications, such as cellular phone base stations, PCS uplink equipment, set top boxes, ISM and Bluetooth applications. It is also suitable for use with high linearity receivers and is capable of providing error-free, low distortion signal processing.

Working Principle

The MAX2388ETC+T RF mixer uses a balanced doubly-balanced diode mixer topology. This means that it has an even number of diodes that are connected and configured in a balanced symmetric manner. The mixer topology is designed to reduce harmonic and spurious signals. The doubly balanced mixer is a four-port device with two input ports and two output ports. The main function of the mixer is to modulate or ‘mix’ the input signal with the local oscillator (LO) signal and produce sum and difference outputs. This is accomplished by the non-linear effect of the diode junction, which causes amplitude modulation of the incoming signal. The resulting output is the sum and difference of the input signals. The mixer also features high linearity, low harmonic and intermodulation distortion, good isolation between the two output ports, low reference spurs and good power-handling capability. It is capable of providing low distortion performance even at very high levels of input power.

Conclusion

The MAX2388ETC+T RF Mixer is a versatile and reliable RF Mixer that can be used in a wide array of applications. It is able to handle a wide range of signal types with high linearity, low distortion and excellent isolation characteristics. It is well suited for use in cellular base stations, PCS uplink equipment, set top boxes, ISM and Bluetooth applications. The mixer’s balanced doubly-balanced configuration ensures the low harmonic distortion and spurious signals and high linearity and power handling capability.

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