HMC968

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HMC968 is a 2GHz active power divider MMIC, developed using an advanced process by Hittite Microwave Corporation. It is a special type of RF amplifier which can divide power evenly among two balanced outputs regardless of load impedance. It importantly supports a wide range of applications in wireless communications, data transmission and wireless local area networks, as well as RF power detectors and radar systems. Unlike a traditional power divider, this MMIC covers a wide frequency range from DC to 2GHz, and has a superior temperature stability over its operating temperature range of -55°C to +125°C.

The HMC968 power divider can be an invaluable tool for wireless communications and other RF applications. It can provide a single output port with signal separation up to 40dB while maintaining a high level of accuracy. With a high CBR, excellent temperature stability, and an outstanding IP3, the power divider can ensure signal integrity in many wireless applications. The device has a high input sensitivity of -40dBm, allowing it to work in strong signal environments. Also, it has an adjustable output level control range between 0 dBm to -3 dBm.

The architecture of the power divider is based on a pair of transistors in a current feedback topology. The transistors have been carefully designed such that they can accurately divide input power between two balanced outputs, allowing it to be used at higher frequencies. The designers also included an active balun, which prevents common-mode signals from entering the input or outputs of the device. Additionally, the balun minimizes signal reflections caused by impedance mismatch to ensure optimum output performance. The active balun also provides good isolation to prevent crosstalk between the two outputs.

The internal architecture of the power divider consists of two transistors in a "current-dividing" topology. This architecture is used to divide the input power into two outputs whilst maintaining a high level of accuracy. The two transistors are connected in parallel with one another such that the current is divided equally between the two outputs. This allows the output levels to remain well-balanced regardless of the load impedance. There is also an adjustable output level control circuit which can be used to adjust the output power levels to meet the needs of the system.

In summary, the HMC968 power divider is specifically designed to facilitate the sharing of power between two outputs regardless of load impedance. It is excellently suited for demanding communication and RF applications, and is supported by an impressive temperature stability over its operating range. With its wide frequency range and high level of accuracy, the power divider can be the perfect solution for many wireless applications.

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