HMC260LC3B

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An RF mixer is an important component in a communications system that performs frequency conversion. The HMC260LC3B is a low voltage, triple-balanced, downconversion mixer that features wide bandwidth, very low noise floor, and high linearity in a miniature surface-mount package. It is designed for a wide range of RF applications such as Wideband Frequency Synthesis, Commercial and Medical Imaging, BroadbandUp and Downconversion, Base Station Radio Designs, MIL-STD-1553b/ARINC-429 Protocol, and other similar applications.

The HMC260LC3B is a passive double balanced diode mixer with a high level of input third order intercept point (IIP3), low harmonic distortion and excellent mixer to IF isolation. It features low voltage operation, wide frequency ranges, good IP3 performance, and low noise figure. The HMC260LC3B, with an IF frequency between DC and 12.5 GHz, provides 16 dB of conversion gain with a noise figure of 8.5 dB. It features excellent image rejection, making it suitable for wideband signal conversion or signal synthesis.

The HMC260LC3B operates over a wide temperature range with a power supply voltage from 2.7 to 5.5 VDC. The device is made up of three balanced diode stages, with each diode stage coupled through a low pass filter to a single output. The three diode stages are configured to form a quadrature hybrid coupling and provide conversion gain. The input power level is adjustable using a bias voltage input, allowing the user to adjust the conversion gain depending on the requirements of the application. The low noise and high linearity of the HMC260LC3B make it ideal for applications requiring high performance.

The signal path of the HMC260LC3B comprises a common coupled input port and a single output port. The input signals are applied in quadrature at each of the two input ports, forming a quadrature hybrid network. The quadrature hybrid network is used to mix or combine the signal components at the two input ports and produces signals at the output port at frequencies equal to the sum and difference of the two input signals. The output signal is further processed by a low pass filter that removes the undesired frequency components from the output signal.

The HMC260LC3B is an excellent choice for applications that require wideband frequency synthesizers, wideband signal conversion, or signal synthesis. Its low voltage operation, wide-band frequency range, low noise figure, and excellent image rejection make it an ideal solution for a wide range of applications. The excellent performance and the small form factor of the HMC260LC3B make it an ideal choice for wireless applications.

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