HMC774

Series:	--
Packaging:	Bulk
Part Status:	Obsolete
RF Type:	VSAT
Frequency:	7GHz ~ 43GHz
Number of Mixers:	1
Gain:	--
Noise Figure:	--
Secondary Attributes:	Up/Down Converter
Current - Supply:	--
Voltage - Supply:	--
Package / Case:	Die
Supplier Device Package:	Die
Base Part Number:	HMC774

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<p>RF mixers, also known as frequency mixers, are one of the most essential components used in today&#39;s RF circuits. The HMC774 is a high performance, wideband 5-Bit digital step attenuator that is designed for a variety of RF applications. It is a perfect choice for designers who require wide attenuation range, low distortion, low insertion loss, high linearity and wide sweep bandwidth.</p> <p>The HMC774 is an RF mixer that comprises of a bank of five digital switches. Each of the five switches has four positions, which are controlled by the R/W-BIT (Read/Write) input. The switches are connected in series, with each positioned at a different paralleled resistor setting, and the output voltage is determined by the combination of the switches settings. This allows the attenuator to provide a wide range of output voltages which can be adjusted easily using the digital input.</p><p>The HMC774 is a wideband mixer which covers a frequency range of DC up to 28GHz. This allows it to be used in a wide variety of applications such as cellular, microwave, satellite and radar. It has an excellent low distortion performance (0.8dB typ), low insertion loss (1.4dB typ) and excellent linearity (1 dB typ) up to 28GHz. The HMC774 also offers low power consumption, wide dynamic range and high efficiency.</p><p>The HMC774 can be used in a wide range of RF applications, including low noise amplification, signal filtering, signal switching, signal mixing, signal conditioning and signal routing. It can be used for wireless and cellular applications such as signal conditioning in T/R systems, high-speed broadband communications, cellular base station receivers, microwave radios, military radios and SATCOMs. It can also be used in antenna conditioning and RF system monitoring.</p><p>The working principle of the HMC774 is based on the principle of digital attenuation. It is designed to reduce the voltage level of an incoming signal, by using a total of five digital switches connected in series and a bank of rated resistors. The switches are controlled by the R/W-BIT (Read/Write) input, which determines the output voltage level of the attenuator. The combination of the switches settings determine the attenuation level, and hence the resulting output voltage level. </p> <p>The HMC774 is an ideal choice for designers who require wide band coverage, low distortion, low insertion loss and high linearity. It is used in a variety of applications that require signal conditioning, noise reduction, frequency mixing, signal switching and signal routing. Its wide dynamic range, low power consumption and high efficiency makes it suitable for many different wireless and cellular applications.</p>

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