HMC129LC4TR-R5

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
RF Type:	General Purpose
Frequency:	4GHz ~ 8GHz
Number of Mixers:	1
Gain:	--
Noise Figure:	7dB
Secondary Attributes:	Up/Down Converter
Current - Supply:	--
Voltage - Supply:	--
Package / Case:	24-TFQFN Exposed Pad
Supplier Device Package:	24-SMT (4x4)
Base Part Number:	HMC129

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Introduction to RF MixersRF mixers are electronic components that are used in radio frequency circuits to modify the spectral contents of a signal by combining it with an additional signal from a local oscillator (LO). Mixers are essential components of most frequency-modulating and base-band modulating communication systems, and have been used for decades. They are widely used in radio systems, from automotive to portable communication systems, mobile communications, and satellite networks. Mixers are usually composed of a series of three or more ports, with two input ports and one output port. The two input ports are typically used to receive a signal from the radio frequency circuits, while the LO port is used to introduce a signal from the local oscillator. The operation of the mixer is usually achieved by modulating the signal through a non-linear element. This non-linear element produces an output signal at the output port which is a combination of the signals at the two input ports.HMC129LC4TR-R5 Application Field and Working PrincipleThe RF HMC129LC4TR-R5 is a double-balanced mixer with an internal LO buffer which can be used in a variety of applications, such as up conversion or down conversion, homodyne and quadrature receivers, sine/cosine converters, and vector modulators/demodulators.This mixer is designed to handle high frequency signals ranging from 1 MHz to 8 GHz with an LO frequency from 300 MHz to 4 GHz. It is capable of providing high conversion gain (17.5 dB typ) and low conversion loss (10.5 dB typ) with an assured third order intermodulation of -20 dBm. This mixer is supplied as a bare die and is appropriate for applications which require fine-tuning of RF characteristics.The device is fabricated using an advanced CMOS process and is built such that it has two differential inputs and one differential output. Its two inputs are designed to receive the signal from the radio frequency circuits, while its output is configured for a signal from the local oscillator.The mixer is also designed to have an enabling function, which allows the user to select how the output is generated. There are two modes of operation for the device, namely the modulating mode and the basic mode. In the modulating mode, the mixer is configured such that the output port produces a signal that is the combined frequency of the two input ports. On the other hand, in the basic mode, the mixer will only provide an output signal equal to the frequency of the LO port.In addition, the HMC129LC4TR-R5 mixer is designed with several features that make it suitable for use in various applications. These features include low power consumption for both the LO buffer and the mixer, a wide dynamic range of conversion gain and loss, and low distortion. The device also offers an advanced ROI, or return-on-investment, due to its high level of integration.Therefore, by combining the features of the HMC129LC4TR-R5 mixer, it can be concluded that this device is an ideal solution for applications where high frequency/high power conversion is of importance. It can be used successfully for up-conversion, down conversion, modulation/demodulation, and multiplexing. By having an applicable range that includes the major portion of the AM, FM, and multiplex frequency bands, an engineer can count on the mixer\'s performance for almost any RF requirement.

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