Series:	--
Packaging:	Cut Strip
Part Status:	Obsolete
Function:	--
LO Frequency:	3.5GHz ~ 12.5GHz
RF Frequency:	7GHz ~ 9GHz
P1dB:	-4dBm
Gain:	--
Noise Figure:	2.5dB
Current - Supply:	160mA
Voltage - Supply:	5V
Package / Case:	32-TFQFN Exposed Pad
Supplier Device Package:	32-SMT (5x5)
Base Part Number:	HMC567

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RF Demodulators

The HMC567LC5 is a monolithic, low-noise downconversion circuit for direct RF sampling in broadband communications systems. HMC567LC5 technology extends the bandwidth of direct RF sampling bridges, enabling high-speed analog-to-digital converters to sample signals with frequencies up to 68 GHz. Moreover, the output of the HMC567LC5 is a low-noise voltage signal similar to the output of a heterodyne receiver with a stability of 1 kHz. The HMC567LC5 has a wide range of applications, including modulation and demodulation, bandwidth switching, burst detection, spectral monitoring, and other applications that rely on digital signal processing. Its circuit can be used to equivalently replace an analog mixer circuit, eliminating the need for additional components. Moreover, its fully integrated design requires no external components and the installation takes minimal effort. The working principle of the HMC567LC5 is based on direct RF sampling of high frequency signals. The integrated circuit\'s built-in on-chip downconverter module functions as an RF mixer, which receives two incoming signals and creates a resultant output signal at a lower frequency. The lower frequency output signal is then converted to an analog voltage waveform by a low-noise amplifier. The amplifier also serves to reduce unwanted noise from the captured signal. The raw RF signal is first downconverted to a lower frequency by the mixer, and then followed by the low-noise amplifier. The amplifier’s output is low-noise voltage waveform that is routed to an analog-to-digital (ADC) converter for digital signal processing. Because the process allows for the direct digitalization of RF signals, the conversion and processing of the signals is more efficient and accurate. The HMC 567LC 5 is a very useful tool for any signal processing engineering requiring direct RF sampling for analog-to-digital conversion. Such applications that require high-frequency mixing, signal processing, and spectrometer measurements can reap considerable benefit from its features and functionality. Moreover, its ease of use and minimal setup makes it well suited for a range of industrial, defense, and telecom applications.

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