Overview
The HMC570-SX, produced by Analog Devices Inc., is a compact GaAs MMIC (Monolithic Microwave Integrated Circuit) I/Q downconverter chip. This device is designed to provide high-performance conversion of RF signals to baseband signals, making it an ideal component for various high-frequency applications. The HMC570-SX integrates an LNA (Low Noise Amplifier) followed by an image reject mixer, driven by an active x2 multiplier, which enhances its functionality and efficiency.
Key Specifications
| Parameter | Min. | Typ. | Max. | Units |
|---|---|---|---|---|
| Frequency Range, RF | 17.7 - 19.7 | 17 - 21 | - | GHz |
| Frequency Range, LO | 7 - 12 | 7 - 12 | - | GHz |
| Frequency Range, IF | DC - 3.5 | DC - 3.5 | - | GHz |
| Conversion Gain (As IRM) | 9 | 10 | 12 | dB |
| Noise Figure | 3 | 4 | - | dB |
| Image Rejection | 14 | 17 | 22 | dB |
| 1 dB Compression (Input) | -10 | -7 | -6 | dBm |
| LO to RF Isolation | 30 | 35 | 40 | dB |
| LO to IF Isolation | 25 | 30 | 35 | dB |
| IP3 (Input) | -6 | -2 | +3 | dBm |
| Amplitude Balance | - | 0.5 | - | dB |
| Phase Balance | - | 4 | - | Deg |
| Total Supply Current | 125 | 165 | 165 | mA |
Key Features
- Compact Design: The HMC570-SX is a small GaAs MMIC chip, measuring 2.33 x 2.73 x 0.10 mm, making it suitable for space-constrained applications.
- High Conversion Gain: Provides a small signal conversion gain of 10 dB.
- Low Noise Figure: Features a noise figure of 3 dB, ensuring minimal noise introduction during the conversion process.
- Image Rejection: Offers 17 dB of image rejection, which is crucial for maintaining signal integrity.
- High Isolation: Provides high LO to RF and LO to IF isolation, reducing interference and improving overall system performance.
- Integrated LNA and Mixer: Includes an LNA followed by an image reject mixer, driven by an active x2 multiplier, which simplifies the design and reduces the need for external components.
Applications
- Point-to-Point and Point-to-Multi-Point Radio: Ideal for high-frequency radio communication systems.
- Military Radar, EW & ELINT: Suitable for military applications requiring high-performance signal processing.
- Satellite Communications: Used in satellite communication systems where high-frequency signal conversion is necessary.
Q & A
- What is the frequency range of the RF input for the HMC570-SX?
The RF input frequency range is from 17 to 21 GHz.
- What is the typical conversion gain of the HMC570-SX?
The typical conversion gain is 10 dB.
- What is the noise figure of the HMC570-SX?
The noise figure is typically 3 dB.
- How much image rejection does the HMC570-SX provide?
The HMC570-SX provides 17 dB of image rejection.
- What is the LO to RF isolation of the HMC570-SX?
The LO to RF isolation is typically 35 dB.
- What is the total supply current of the HMC570-SX?
The total supply current is typically 165 mA.
- What are the typical applications of the HMC570-SX?
The HMC570-SX is ideal for point-to-point and point-to-multi-point radio, military radar, EW & ELINT, and satellite communications.
- Does the HMC570-SX require any external components for operation?
Yes, an external 90° hybrid is needed to select the required sideband.
- What is the package type of the HMC570-SX?
The HMC570-SX is available in a die package.
- Is the HMC570-SX RoHS compliant?
Yes, the HMC570-SX is RoHS compliant.
