Overview
The HMC656LP2E is a wideband fixed value Surface Mount Technology (SMT) 50 Ohm matched attenuator produced by Analog Devices Inc. This component is part of a family that includes the HMC657LP2E and HMC658LP2E, offering relative attenuation levels of 10, 15, and 20 dB respectively. These passive attenuators are designed for applications requiring extremely flat attenuation and excellent VSWR (Voltage Standing Wave Ratio) over a wide frequency range from DC to 25 GHz.
Key Specifications
| Part Number | Attenuator Value (dB) | Return Loss (Min.) (dB) | Return Loss (Typ.) (dB) | Attenuation Tolerance (dB) | Temperature Coefficient (Typical) (dB/°C) | RF Input Power (CW) (dBm) | Operating Temperature (°C) | Storage Temperature (°C) |
|---|---|---|---|---|---|---|---|---|
| HMC656LP2E | 10 | 7 | 12 | ±1.5 | 0.0004 | 25 | -40 to +85 | -65 to +150 |
| HMC657LP2E | 15 | 7 | 14 | ±2.0 | 0.0006 | 25 | -40 to +85 | -65 to +150 |
| HMC658LP2E | 20 | 7 | 12 | ±2.0 | 0.0004 | 25 | -40 to +85 | -65 to +150 |
Key Features
- Wideband operation from DC to 25 GHz
- Fixed attenuation levels of 10, 15, and 20 dB
- Excellent attenuation accuracy and flatness
- High power handling up to +25 dBm
- 6-lead 2x2mm SMT package with exposed pad
- RoHS-compliant versions available
- Low stress injection molded plastic package
- ESD sensitivity Class 1B
Applications
- Fiber Optics
- Microwave Radio
- Military and Space
- Test and Measurement
- Scientific Instruments
- RF/Microwave Circuit Prototyping
Q & A
- What is the frequency range of the HMC656LP2E attenuator?
The HMC656LP2E operates from DC to 25 GHz.
- What are the available attenuation levels for the HMC656LP2E family?
The HMC656LP2E family offers attenuation levels of 10, 15, and 20 dB.
- What is the maximum RF input power that the HMC656LP2E can handle?
The HMC656LP2E can handle up to +25 dBm of RF input power.
- What is the operating temperature range for the HMC656LP2E?
The operating temperature range is -40°C to +85°C.
- Is the HMC656LP2E RoHS-compliant?
Yes, RoHS-compliant versions of the HMC656LP2E are available.
- What is the package type and size of the HMC656LP2E?
The HMC656LP2E comes in a 6-lead 2x2mm SMT package with an exposed pad.
- What are some typical applications for the HMC656LP2E?
Typical applications include Fiber Optics, Microwave Radio, Military and Space, Test and Measurement, Scientific Instruments, and RF/Microwave Circuit Prototyping.
- What is the ESD sensitivity classification of the HMC656LP2E?
The HMC656LP2E has an ESD sensitivity classification of Class 1B.
- What is the storage temperature range for the HMC656LP2E?
The storage temperature range is -65°C to +150°C.
- What material is the package body made of?
The package body is made of low stress injection molded plastic.
