HMC949

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The HMC949 amplifier is a high linearity gallium arsenide (GaAs) monolithic microwave integrated circuit (MMIC) power amplifier suitable for wireless applications from 70 MHz to 6 GHz. It is designed for use in public safety, military, and point to point C-band communications systems. The HMC949 is a versatile amplifier made with GaAs technology for applications requiring low distortion, high gain, and wide bandwidths.

The HMC949 can be used for both Small Signal and Power Amplification. It offers adjustable gain, adjustable return loss, and high efficiency even at higher frequencies. This allows the HMC949 to be used in a variety of wireless systems, including point-to-point communications, broadband data links, and Digital Voice over Wireless systems.

In addition, the HMC949 is designed for use in a variety of applications which require a wide frequency range. For instance, the amplifier can be used for up and down converters, intermodulation, base station applications, and for higher frequency wireless systems such as WLAN and WiMAX.

Working Principle:
The HMC949 works by amplifying the input signal, which is sent to the input of the amplifier from an external source. The amplifier then increases the gain of the signal, producing a larger output signal. The amount of gain is adjustable, depending on the individual needs of the application. The output signal is then sent out to its load, usually an antenna or a set of antennas.

The HMC949 uses GaAs technology to optimize its linearity and power dissipation within a very high frequency range. The power gain is adjustable between -20 to 20dB, and the return loss is between 5.6dB at 70 MHz and 12dB at 6 GHz. The amplifier can be used for both Small and Power Amplification requirements.

The amplifier is RoHS compliant and includes both power and drive circuits on a single chip. This allows for excellent power matching and better thermal efficiency. The result is a high gain, low noise, and low distortion amplifier solution. The HMC949 also offers two different output options, a 50 Ohm direct coupled output and an unbuffered output.

The HMC949 is suitable for a variety of applications such as small to medium power amplifiers, repeaters, ultra wideband systems, and Bluetooth connectivity applications. It is also suitable for high-reliability communications equipment. The amplifier is resilient to damage from harsh environmental conditions, making it suitable for use in any environment.

In summary, the HMC949 is a GaAs MMIC power amplifier suitable for use in a wide range of RF applications from 70 MHz to 6 GHz. It provides high gain and low distortion, making it ideal for applications requiring wide frequency range and adjustable gain. It is RoHS compliant and includes both power and drive circuits on a single chip.

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