Overview
The HMC658-SX, produced by Analog Devices Inc., is a wideband fixed attenuator chip designed for various high-frequency applications. This component is part of the HMC650 to HMC658 family, which offers a range of fixed attenuation levels from 0 to 20 dB. The HMC658-SX specifically provides a 20 dB attenuation level, making it ideal for applications requiring precise signal attenuation across a broad frequency range.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Attenuation Level | 20 | dB |
| Frequency Range | DC - 50 | GHz |
| Power Handling | +25 | dBm |
| Die Size | 0.57 x 0.45 x 0.1 | mm |
| Operating Temperature | -55 to +85 | °C |
| Storage Temperature | -65 to +150 | °C |
| DC Voltage (Terminated) | 4.8 | V |
| DC Voltage (Open) | 4.9 | V |
Key Features
- Wideband operation from DC to 50 GHz, ensuring consistent performance across a broad frequency range.
- Low inductance on-chip vias, which eliminate the need for additional ground connections.
- Backside metallized with gold, suitable for eutectic or epoxy die attach.
- Excellent VSWR (Voltage Standing Wave Ratio) vs. frequency, ensuring minimal signal reflection and distortion.
- High power handling capability of +25 dBm, making it suitable for high-power RF and microwave applications.
Applications
- Fiber Optics: Ideal for signal attenuation in fiber optic systems.
- Microwave Radio: Used in microwave radio systems for precise signal control.
- Military & Space Hybrids: Suitable for high-reliability applications in military and space environments.
- Test & Measurement: Utilized in test and measurement equipment for accurate signal attenuation.
- Scientific Instruments: Employed in various scientific instruments requiring precise signal control.
- RF / Microwave Circuit Prototyping: Useful for prototyping and developing RF and microwave circuits.
Q & A
- What is the attenuation level of the HMC658-SX?
The HMC658-SX provides a fixed attenuation level of 20 dB.
- What is the frequency range of the HMC658-SX?
The HMC658-SX operates from DC to 50 GHz.
- What is the power handling capability of the HMC658-SX?
The HMC658-SX can handle up to +25 dBm of RF input power.
- What are the dimensions of the HMC658-SX die?
The die size of the HMC658-SX is 0.57 x 0.45 x 0.1 mm.
- What is the operating temperature range of the HMC658-SX?
The operating temperature range is -55 to +85 °C.
- What are the typical applications of the HMC658-SX?
It is used in fiber optics, microwave radio, military and space hybrids, test and measurement, scientific instruments, and RF/microwave circuit prototyping.
- How is the HMC658-SX attached to a substrate?
The HMC658-SX is suitable for eutectic or epoxy die attach due to its backside metallization with gold.
- Does the HMC658-SX require additional ground connections?
No, it does not require additional ground connections due to its low inductance on-chip vias.
- What is the storage temperature range for the HMC658-SX?
The storage temperature range is -65 to +150 °C.
- Where can I purchase the HMC658-SX?
You can purchase the HMC658-SX from authorized distributors such as Mouser, Digi-Key, and directly from Analog Devices Inc.
