HMC643LC5

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The HMC643LC5 is an RF misc ICs and Modules that is developed and manufactured by Analog Devices. It is a low noise, high dynamic range gain block RF amplifier and works within the frequency range of DC – 10GHz. This IC has been designed to provide high output power while maintaining low noise performance and a wide range of gain settings.

The HMC643LC5 is designed to help solve the problem of having a higher linear gain and low noise performance in RF signal processing applications. This device has been designed with a low total harmonic distortion of 0.2 dB, making it ideal for applications that require signal fidelity and accuracy.

The HMC643LC5 has a gain setting range of 4.5 to 23 dB and a single ended-input impedance of 50 ohms. It also supports a voltage gain from 8 to 40 dB, depending on the gain setting. It features an LV-RFTC board level DC Block frequency of 5GHz and a dynamic range of 83 dBc. The device also supports a single ended-output power of +10 dBm and an input/output voltage range of 0.2 – 4.3 V.

The HMC643LC5 has been designed to work with a limited number of external circuitry and components. This device requires a low supply voltage of +3.3V and consumes 220mA of current. The HMC643LC5 is provided in a compact, 1-by-0.5 mm Chip Scale Package (CSP).

The HMC643LC5 can be used in a variety of different RF applications and signal processing systems. It is commonly used in low noise amplifier applications such as radar, fiber-to-the-home systems, satellite communication systems, automotive applications, and medical applications. Additionally, it can also be used in low noise preamps, phase shifters, and low-noise frequency synthesizers.

The working principle of the HMC643LC5 is based on a gain block amplifier topology. This topology consists of an input transistor, emitter follower, buffer amplifier, and isolation transistor. The input transistor is responsible for providing the required gain while the buffer amplifier prevents the degradation of signal fidelity. The isolation transistor helps in preventing the gain from changing when the voltage across the input transistor is changed. The emitter follower helps in preventing the current variation in the output transistor.

The HMC643LC5 supports a wide range of gains, low noise performance, and high linearity, making it an ideal choice for RF signal processing applications. It is a low power device and supports a voltage gain from 8 to 40 dB, depending on the gain setting. Additionally, the device also features a low total harmonic distortion of 0.2 dB, making it ideal for applications that require signal fidelity and accuracy.

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