Overview
The HMC656 is a wideband fixed attenuator chip produced by Analog Devices Inc. This component is part of the HMC650 to HMC658 family, which offers a range of fixed attenuation levels from 0 to 20 dB. The HMC656 specifically provides a 10 dB attenuation level. It is designed for use in various high-frequency applications requiring stable and flat attenuation across a broad frequency range.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Attenuation Value | 10 | dB |
| Frequency Range | DC - 50 | GHz |
| Impedance | 50 | Ohms |
| Power Handling (RF Input Power, CW) | +25 | dBm |
| Die Size | 0.42 x 0.45 x 0.1 | mm |
| Operating Temperature | -55 to +85 | °C |
| Storage Temperature | -65 to +150 | °C |
| Package/Case | Die |
Key Features
- Wideband operation from DC to 50 GHz
- Fixed 10 dB attenuation level
- Low inductance on-chip vias, requiring no additional ground connections
- Backside metallized with gold, suitable for eutectic or epoxy die attach
- Excellent VSWR (Voltage Standing Wave Ratio) vs. frequency performance
- Ideal for microstrip, hybrid, and multi-chip module applications
Applications
- Fiber Optics
- Microwave Radio
- Military & Space Hybrids
- Test & Measurement
- Scientific Instruments
- RF / Microwave Circuit Prototyping
Q & A
- What is the attenuation value of the HMC656? The HMC656 provides a fixed attenuation value of 10 dB.
- What is the frequency range of the HMC656? The HMC656 operates from DC to 50 GHz.
- What is the impedance of the HMC656? The impedance of the HMC656 is 50 Ohms.
- What is the power handling capability of the HMC656? The HMC656 can handle RF input power up to +25 dBm.
- What are the dimensions of the HMC656 die? The die size is 0.42 x 0.45 x 0.1 mm.
- What is the operating temperature range of the HMC656? The operating temperature range is -55 to +85 °C.
- What is the storage temperature range of the HMC656? The storage temperature range is -65 to +150 °C.
- How is the HMC656 packaged? The HMC656 is packaged as a die.
- What are some typical applications of the HMC656? Typical applications include fiber optics, microwave radio, military & space hybrids, test & measurement, scientific instruments, and RF / microwave circuit prototyping.
- Is the HMC656 suitable for high-frequency applications? Yes, the HMC656 is designed for high-frequency applications with excellent VSWR vs. frequency performance.
