Overview
The HMC-ALH482-SX, manufactured by Analog Devices Inc., is a GaAs HEMT MMIC (Monolithic Microwave Integrated Circuit) Low Noise Amplifier. This component operates over a wide frequency range of 2 to 22 GHz, making it versatile for various high-frequency applications. The amplifier is designed to provide high gain and low noise figure, which are critical parameters for sensitive RF and microwave systems.
The HMC-ALH482-SX is particularly suited for integration into Multi-Chip-Modules (MCMs) due to its compact size and robust performance characteristics. It is ideal for use in wideband communication systems, surveillance systems, point-to-point and point-to-multi-point radios, military and space applications, and test instrumentation.
Key Specifications
| Parameter | Min. | Typ. | Max. | Units |
|---|---|---|---|---|
| Frequency Range | 2 | - | 22 | GHz |
| Gain | 15 | 16 | 17 | dB |
| Noise Figure (2-12 GHz) | 1.7 | - | 2.5 | dB |
| Noise Figure (12-22 GHz) | 2.2 | - | 3 | dB |
| Input Return Loss | 8 | - | 6 | dB |
| Output Return Loss | 10 | - | 5 | dB |
| Output Power for 1 dB Compression | 14 | - | - | dBm |
| Supply Voltage | - | 4 | - | V |
| Supply Current (Idd) | - | 45 | - | mA |
| Die Size | - | 2.04 x 1.2 x 0.1 | - | mm |
| Operating Temperature | -55 | - | 85 | °C |
Key Features
- Wide Frequency Range: Operates from 2 GHz to 22 GHz, making it suitable for a broad range of RF and microwave applications.
- High Gain: Provides 16 dB of gain at 12 GHz, ensuring strong signal amplification.
- Low Noise Figure: Offers a noise figure of 1.7 dB up to 12 GHz and 2.2 dB from 12 GHz to 22 GHz, which is crucial for maintaining signal integrity.
- Compact Size: The die size is 2.04 x 1.2 x 0.1 mm, facilitating integration into Multi-Chip-Modules (MCMs).
- Low Power Consumption: Requires only 45 mA from a +4V supply voltage, making it energy-efficient.
- Robust Performance: The amplifier is designed to handle high RF input power and operates reliably over a wide temperature range.
Applications
- Wideband Communication Systems: Ideal for systems requiring broad frequency coverage and low noise amplification.
- Surveillance Systems: Used in various surveillance applications where high sensitivity and low noise are critical.
- Point-to-Point and Point-to-Multi-Point Radios: Suitable for radio communication systems that need reliable and high-gain amplifiers.
- Military and Space Applications: Its robust performance and reliability make it a good fit for military and space-related projects.
- Test Instrumentation: Used in test equipment where precise signal amplification and low noise are essential.
Q & A
- What is the frequency range of the HMC-ALH482-SX?
The HMC-ALH482-SX operates from 2 GHz to 22 GHz.
- What is the typical gain of the HMC-ALH482-SX?
The amplifier provides 16 dB of gain at 12 GHz.
- What is the noise figure of the HMC-ALH482-SX?
The noise figure is 1.7 dB up to 12 GHz and 2.2 dB from 12 GHz to 22 GHz.
- What is the supply voltage and current for the HMC-ALH482-SX?
The amplifier requires a +4V supply voltage and 45 mA of current.
- What is the die size of the HMC-ALH482-SX?
The die size is 2.04 x 1.2 x 0.1 mm.
- What are the typical applications of the HMC-ALH482-SX?
It is used in wideband communication systems, surveillance systems, point-to-point and point-to-multi-point radios, military and space applications, and test instrumentation.
- How should the die bottom be connected?
The die bottom must be connected to RF/DC ground.
- What is the operating temperature range of the HMC-ALH482-SX?
The operating temperature range is from -55°C to +85°C.
- What is the output power for 1 dB compression?
The output power for 1 dB compression is +14 dBm.
- What kind of bypass caps are recommended for the HMC-ALH482-SX?
Bypass caps should be 100 pF (approximately) ceramic (single-layer) placed no farther than 30 mils from the amplifier.
