HMC475ST89TR

The HMC475ST89TR is a broadband gain block amplifier designed by Analog Devices. It operates within a wide frequency range, typically from DC to 6 GHz, making it suitable for various RF and microwave applications. The device is known for its high linearity and gain stability across its operational spectrum.
Key features include:
- High Gain: Typically around 13 dB, ensuring signal amplification.
- Wide Bandwidth: Operable from DC to 6 GHz, offering versatility for different applications.
- Single Supply Voltage: Typically operates at 5V, simplifying power requirements.
- Robust Performance: Exhibits good input/output return loss, improving signal integrity.
- Package: Comes in a small SOT89 package, facilitating easy integration into designs.
Common applications of the HMC475ST89TR include use in cellular, WiMAX, and Wi-Fi infrastructure, as well as in test equipment and military communication systems. The amplifier's compact design and reliable performance make it a popular choice for designers looking to enhance signal processing in RF circuits.

The HMC475ST89TR is a gain block RF amplifier. Equivalent products include the Mini-Circuits Gali-39+, Analog Devices ADL5606, Qorvo RFSA2113, and the RFMD (Qorvo) RF2311. These alternatives may vary slightly in specifications, so it's essential to compare parameters such as frequency range, gain, noise figure, and power output to ensure compatibility with your application.

The HMC475ST89TR is an RF amplifier that features a wide frequency range from DC to 4 GHz. It provides a typical gain of 15 dB and delivers output power up to 21.5 dBm. The amplifier is designed with a high linearity performance, offering an Output Third Order Intercept Point (OIP3) of about 36 dBm. It operates with a supply voltage of 5V and typically draws a current of 54 mA.
The HMC475ST89TR is packaged in a compact SOT-89 package, making it suitable for surface-mount assembly, and is designed to deliver consistent performance over a wide range of temperatures. It is ideal for applications in gain blocks, general-purpose amplification, and in various communication systems where high performance is required. The amplifier also features an internally matched input and output, simplifying the design and integration process in different RF circuits.

The HMC475ST89TR is a variable gain amplifier (VGA) manufactured by Analog Devices. It is typically housed in an 8-lead ST-89 surface-mount package. The pin count for this device is 8. The primary function of the HMC475ST89TR is to provide adjustable gain in RF and microwave applications, offering gain control with a wide dynamic range. This makes it suitable for use in various communication systems, including cellular, GSM, and UMTS applications. The device allows for easy integration into systems requiring precise gain control to maintain signal integrity across different conditions.

The HMC475ST89TR is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in the design and manufacturing of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company serves various industries, including automotive, communications, industrial, healthcare, and consumer electronics, providing solutions for a wide range of applications such as data conversion, signal processing, power management, and RF/microwave systems. Analog Devices is known for its innovation in the field of electronics and its role in advancing technology across different sectors.

The HMC475ST89TR is a voltage-controlled amplifier (VCA) commonly used in various RF and microwave applications. Key application areas include wireless infrastructure, where it helps in power leveling and automatic gain control (AGC) for base station receivers and transmitters. It is also utilized in satellite communications, point-to-point radio, and test equipment for gain control. Additionally, the VCA is suitable for defense and aerospace applications, particularly in radar and electronic warfare systems, due to its ability to maintain signal integrity over a wide frequency range. Its compact package and wide bandwidth make it versatile for diverse high-frequency amplification tasks.

The HMC475ST89TR is housed in a surface-mount package, specifically the SOT-89 package type. This package is designed for RF and microwave applications, offering a compact form factor suitable for high-frequency performance, typically used in amplifiers and other RF components.