Overview
The HMC895LP4ETR is a MMIC (Monolithic Microwave Integrated Circuit) band pass filter produced by Analog Devices Inc. This component is designed to offer a user-selectable passband frequency, making it versatile for various high-frequency applications. Although the HMC895LP4ETR is now obsolete, it was widely used in advanced communication systems, test and measurement equipment, military RADAR and EW/ECM, SATCOM and space, and industrial and medical equipment.
Key Specifications
| Parameter | Min. | Typ. | Max. | Units |
|---|---|---|---|---|
| Center Frequency Tuning Range | 5.9 | - | 11.2 | GHz |
| 3 dB Bandwidth | - | 6% | - | % |
| Low Side Rejection Frequency (Rejection >20 dB) | 0.92*Fcenter | - | - | GHz |
| High Side Rejection Frequency (Rejection >20 dB) | 1.08*Fcenter | - | - | GHz |
| Re-entry Frequency (Rejection <30 dB) | - | - | 25 | GHz |
| Insertion Loss | - | 9 | - | dB |
| Return Loss (2 dB Bandwidth) | - | 7.5 | - | dB |
| Maximum Input Power for Linear Operation | - | - | 10 | dBm |
| Frequency Control Voltage (Vfctl) | 0 | - | 14 | V |
| Bandwidth Control Voltage (Vbwctl) | 0 | - | 14 | V |
| Operating Temperature | -40 | - | 85 | °C |
| Package Type | - | - | - | 24-VFQFN Exposed Pad |
Key Features
- User Selectable Passband Frequency: The center frequency can be varied between 5.9 GHz and 11.2 GHz by applying an analog tune voltage between 0 and 14V.
- Fast Tuning Response: The filter offers a fast tuning response of 200 ns, making it suitable for dynamic applications.
- Excellent Wideband Rejection: Provides more than 30 dB of wideband rejection, ensuring high signal integrity.
- Single Chip Replacement: Can replace mechanically tuned designs with a single chip solution, reducing size and complexity.
- Compact Package: Available in a 24-VFQFN exposed pad package, ideal for space-constrained applications.
- Low Insertion Loss and High Return Loss: Offers low insertion loss of 9 dB and high return loss of 7.5 dB in a 2 dB bandwidth.
Applications
- Test & Measurement Equipment: Ideal for use in test and measurement instruments due to its precise and adjustable filtering capabilities.
- Military RADAR & EW/ECM: Suitable for military applications requiring high-frequency signal processing and filtering.
- SATCOM & Space: Used in satellite communications and space applications where precise signal filtering is critical.
- Industrial & Medical Equipment: Applied in various industrial and medical devices that require high-frequency signal processing.
- Wireless Infrastructure: Used in wireless communication systems to ensure high signal integrity and performance.
Q & A
- What is the frequency tuning range of the HMC895LP4ETR?
The center frequency can be varied between 5.9 GHz and 11.2 GHz.
- What is the typical 3 dB bandwidth of the HMC895LP4ETR?
The typical 3 dB bandwidth is 6% of the center frequency.
- What is the maximum input power for linear operation?
The maximum input power for linear operation is 10 dBm.
- What is the operating temperature range of the HMC895LP4ETR?
The operating temperature range is from -40°C to 85°C.
- What type of package does the HMC895LP4ETR come in?
The HMC895LP4ETR comes in a 24-VFQFN exposed pad package.
- What is the typical insertion loss of the HMC895LP4ETR?
The typical insertion loss is 9 dB.
- How does the HMC895LP4ETR control its bandwidth?
The bandwidth can be controlled using the bandwidth control voltage (Vbwctl) between 0 and 14V.
- What is the re-entry frequency for the HMC895LP4ETR?
The re-entry frequency is approximately 25 GHz.
- Is the HMC895LP4ETR still in production?
No, the HMC895LP4ETR is obsolete and no longer manufactured.
- What are some typical applications of the HMC895LP4ETR?
Typical applications include test and measurement equipment, military RADAR and EW/ECM, SATCOM and space, and industrial and medical equipment.
