MAX2042ETP+T

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
RF Type:	WiMax
Frequency:	2GHz ~ 3.0GHz
Number of Mixers:	1
Gain:	--
Noise Figure:	7.3dB
Secondary Attributes:	Up/Down Converter
Current - Supply:	138mA
Voltage - Supply:	3.3V, 5V
Package / Case:	20-WQFN Exposed Pad
Supplier Device Package:	20-TQFN-EP (5x5)

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RF Mixers

RF mixers are circuits that combine two radio frequency signals to create a new frequency signal. The MAX2042ETP+T is a high frequency double balanced RF mixer from Maxim Integrated that offers performance and reliability to applications in wireless, automotive, consumer, communications, and industrial markets.

MAX2042ETP+T Application Field

MAX2042ETP+T is a high frequency double balanced mixer. It is well suited for wireless, cell phone, and RFID systems operating from 50MHz to 4GHz. Because of its low noise and wide dynamic range, the mixer is also ideal for applications such as digital radios, satellite receivers, and medical systems. The device has a wide range of supply voltages and can be used in high linearity and high power applications. It also features a wide input/output return loss and a low total harmonic distortion.

Working Principle of MAX2042ETP+T

The MAX2042ETP+T utilizes a double balanced Gilbert cell topology, in which two signals are combined to create a single output signal with the sum and difference of the two input frequencies. The input signals are isolated from the output signal with the help of the common-mode control circuitry. This ensures high spectral purity at the output with minimal noise or distortion from the input signals.The mixer requires two input signals to operate. The two transistors, Q1 and Q2, are driven by the 2 inputs and modulate the gate voltage of the transistor Q3. This modulation creates a low-frequency signal at the output of the transistor Q3, which is further amplified by a post amplifier stage. The amplified low frequency signal is then filtered with a bandpass filter to get the desired output signal.The MAX2042ETP+T mixer also has an integrated balun, which helps in converting the balanced input signal to unbalanced output. This helps in providing a low noise output that is suitable for varied applications.The mixer has an integrated low noise amplifier that further boosts the signal sensitivity. Additionally, a temperature compensation circuit helps in maintaining a constant gain across different temperatures. This ensures that the mixer operates in a reliable fashion in diverse conditions.In summary, the MAX2042ETP+T is a high-performance, double balanced RF mixer from Maxim Integrated that offers a wide frequency range, low noise performance, and gain stability. It is suitable for a range of applications such as wireless, consumer electronics, and communications systems. The device also has integrated low noise amplifier and temperature compensation circuitry to help improve its performance.

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