MAX2031ETP+

Series:	MAX2031
Packaging:	Tube
Part Status:	Active
RF Type:	Cellular, CDMA2000, EDGE, GSM, W-CDMA
Frequency:	650MHz ~ 1GHz
Number of Mixers:	1
Gain:	--
Noise Figure:	7dB
Secondary Attributes:	Up/Down Converter
Current - Supply:	100mA
Voltage - Supply:	4.75 V ~ 5.25 V
Package / Case:	20-WQFN Exposed Pad
Supplier Device Package:	20-TQFN-EP (5x5)

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What Is RF Mixers

RF mixers are vital components in communication, test and measurement, and other electronic fields. Essentially, mixers convert signals from one or more frequency bands to another frequency. Due to their significant role in the transmission and reception of radio signals, RF mixers are used in many applications.RF mixers are widely used in various electronic equipment, such as radio receivers, spectrum analyzers, navigation systems, and cellular phones. They mix two or more frequencies together and output a signal at a new frequency. The signal processed by the mixer is essential for its application. RF mixers are designed to convert signals from one or more bands to another, which is one of the functions of electronic signal processing.

MAX2031ETP+ Application Field and Working Principle

The MAX2031ETP+ is a high-frequency, high-performance, and cost-effective RF mixer. It has two inputs, one of which is the LO (Local Oscillator) frequency while the other is the RF (Radio Frequency) frequency. The two signals are mixed in an integrated System-in-Package (SiP) to provide the desired output.In terms of application field, the MAX2031ETP+ can be used for radio receivers, radios, cellular phone handsets, wireless communication systems, cable TV systems, and satellite communication systems. It supports a wide range of frequencies, including HF, VHF, UHF, and L-Band frequencies. Additionally, the RF mixer is suitable for instrumentation, test, and laboratory applications.The MAX2031ETP+ also features high linearity and low noise figure. It supports various applications due to its high gain and low harmonic distortions. This RF mixer includes a pair of adjustable differential output amplifiers to provide gain control. It also provides low-filter selectivity, eliminating the need for additional filtering.The MAX2031ETP+ uses a Gilbert cell at its core. This enables it to provide a fast conversion rate, as well as low noise, high linearity, high gain, and low harmonic distortion. As a result, this RF mixer is suitable for both receive and transmit operations.In terms of working principle, the ELECTRO-REGENERATIVE FREQUENCY MIXING (ERFM) circuit inside the MAX2031ETP+ performs the mixing function by multiplying two or more inputs together. The mixer combines the local oscillator and RF inputs to produce the desired output frequency. The local oscillator signal is used to shift the signal to a higher or lower frequency, depending on the requirement.

Conclusion

In conclusion, the MAX2031ETP+ is a high-frequency, high-performance, and cost-effective RF mixer. It is used in various applications, including radio receivers, radios, cellular phones, wireless communication systems, cable TV systems, and instrumentation systems. It is also efficient due to its fast conversion rate, high linearity, high gain, and low harmonic distortion. The MAX2031ETP+ uses a Gilbert cell at its core, and its RFmixing function is achieved by an electro-regenerative frequency mixing circuit.

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