Overview
The HMC897LP4ETR is a tunable band pass filter manufactured by Analog Devices Inc. This Monolithic Microwave Integrated Circuit (MMIC) is designed to offer a user-selectable passband frequency, making it highly versatile for various applications. The filter operates within a frequency range of 9 to 19 GHz and is known for its fast tuning response and excellent wideband rejection.
This component is particularly useful as a single-chip replacement for mechanically tuned designs and cavity tuned filters, providing a more compact and dynamically adjustable solution.
Key Specifications
| Parameter | Min. | Typ. | Max. | Units |
|---|---|---|---|---|
| Center Frequency Tuning Range | 9 | 19 | GHz | |
| 3 dB Bandwidth | 18% | |||
| Low Side Rejection Frequency (Rejection >20 dB) | 0.81 * Fcenter | GHz | ||
| High Side Rejection Frequency (Rejection >20 dB) | 1.17 * Fcenter | GHz | ||
| Low Side Sub-Harmonic Rejection (Rejection >40 dB) | 0.58 * Fcenter | GHz | ||
| High Side Sub-Harmonic Rejection (Rejection >40 dB) | 1.23 * Fcenter | GHz | ||
| Re-entry Frequency (Rejection <30 dB) | >40 | GHz | ||
| Insertion Loss | 6.5 | dB | ||
| Return Loss | 9.5 | dB | ||
| Input IP3 (Pin = 0 to +20 dBm) | 30 | dBm | ||
| Frequency Control Voltage (Vfctl) | 0 | 14 | V | |
| Source/Sink Current (Ifctl) | ±1 | mA | ||
| Residual Phase Noise (100 kHz Offset) | -160 | dBc/Hz | ||
| Fcenter Drift Rate | -1.65 | MHz/°C | ||
| Tuning Speed (tFULLBAND) | 200 ns |
Key Features
- Fast Tuning Response: The HMC897LP4ETR offers a fast tuning response of 200 ns, making it suitable for applications requiring quick frequency adjustments.
- Excellent Wideband Rejection: The filter provides excellent wideband rejection, ensuring minimal interference outside the selected passband.
- Single Chip Replacement: It serves as a compact alternative to mechanically tuned designs and cavity tuned filters.
- Dynamically Adjustable: The center frequency can be varied between 9 and 19 GHz using an analog tune voltage between 0 and 14V.
- Low Insertion Loss and High Return Loss: The component has an insertion loss of 6.5 dB and a return loss of 9.5 dB, ensuring efficient signal transmission.
- High Input IP3: The input IP3 is 30 dBm, indicating good linearity and resistance to intermodulation distortion.
- Low Residual Phase Noise: The residual phase noise is -160 dBc/Hz at a 100 kHz offset, which is crucial for maintaining signal integrity.
Applications
- Test & Measurement Equipment: Ideal for use in test and measurement equipment due to its tunable frequency and high performance.
- Military RADAR & EW/ECM: Suitable for military applications requiring fast and reliable frequency tuning.
- SATCOM & Space: Used in satellite communications and space applications where compact, high-performance filters are essential.
- Industrial & Medical Equipment: Applicable in industrial and medical equipment that require dynamically adjustable band pass filters.
Q & A
- What is the frequency tuning range of the HMC897LP4ETR?
The center frequency can be tuned between 9 and 19 GHz.
- What is the typical 3 dB bandwidth of the HMC897LP4ETR?
The typical 3 dB bandwidth is approximately 18% of the center frequency.
- How fast can the HMC897LP4ETR tune its frequency?
The tuning speed is 200 ns.
- What is the insertion loss of the HMC897LP4ETR?
The insertion loss is typically 6.5 dB.
- What is the return loss of the HMC897LP4ETR?
The return loss is typically 9.5 dB.
- What is the input IP3 of the HMC897LP4ETR?
The input IP3 is 30 dBm.
- What is the residual phase noise of the HMC897LP4ETR?
The residual phase noise is -160 dBc/Hz at a 100 kHz offset.
- What is the operating temperature range of the HMC897LP4ETR?
The operating temperature range is -40°C to +85°C.
- What is the package type of the HMC897LP4ETR?
The component is packaged in a 24-lead 4x4 mm SMT package.
- What are some typical applications of the HMC897LP4ETR?
Typical applications include test and measurement equipment, military RADAR & EW/ECM, SATCOM & space, and industrial & medical equipment.
