Series:	*
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Base Part Number:	HMC649

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RF Amplifiers

Introduction

RF amplifiers are devices that are widely used in a variety of communication and consumer electronics applications. These amplifiers are an integral part of any system that incorporates RF transmission or wireless communication, such as TV sets, wireless networks, cell phones, satellite communication, etc. The HMC6494LP6CETR is a Low-Noise, HBT MMIC Amplifier for UHF and VHF RF Applications.

Features

The HMC6494LP6CETR is designed for gain and low-noise performance in the VHF and UHF frequency bands and includes a PGA-103+ RF connector that enables quick and easy connections to any external device. It offers wide bandwidth and high gain, as well as low noise figure and low harmonic distortion. The ultra-low noise performance of the HMC6494LP6CETR is ideal for signal amplification and radio receivers, and it also features an ESD protection circuit at its RF port. The device also features a small footprint, enabling easy integration with a variety of applications.

Applications

The HMC6494LP6CETR is designed for a variety of wireless communications applications, including radio receivers, TV receivers, cordless phones, wireless LANs, and Bluetooth device applications as well as Ultra High Frequency (UHF) and Very High Frequency (VHF) transmission applications. The device also has the potential to be used in satellite communications, radar applications, WiMAX, and many other examples of wireless communication.Moreover, the high linearity, low-noise operation and broad frequency range of the HMC6494LP6CETR make it an ideal choice for broadcast/transmission, GSM/PCS handset, and digital terrestrial TV applications.

Working Principle

The HMC6494LP6CETR amplifier is a monolithic integrated circuit (IC) designed for gain and low-noise performance in the UHF and VHF frequency bands. The device operates on a supply voltage of +8 VDC to +15 VDC and -3 VDC to -12 VDC. The circuit includes a discrete pre-amplifier (LNA), low-noise HBT transistor, and other amplifier components. The HBT transistor is an excellent choice for RF amplification due to its low noise factor, high linearity, and wide frequency range. The device also includes a matching network that ensures proper impedance matching between each gate of the HBT device, thereby providing optimized power gain.The device employs an external RF port that enables connection to any external device. It also employs an internal feedback system, which ensures that the amplifier is always in the linear region of operation. This ensures high linearity, stability, and low distortion, making the HMC6494LP6CETR a great choice for RF amplification applications.

Conclusion

The HMC6494LP6CETR amplifier is a high performance, low-noise, HBT MMIC that offers wide bandwidth, high gain, and low harmonic distortion. It is widely used for a variety of communication and consumer electronics applications, such as radio receivers, TV receivers, cordless phones, wireless LANs, and Bluetooth device applications. Its small size and excellent performance characteristics make it an ideal choice for RF amplification applications.

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