Overview
The HMC578-SX, produced by Analog Devices Inc., is a x2 active broadband frequency multiplier utilizing GaAs PHEMT (Pseudomorphic High Electron Mobility Transistor) technology. This component is designed to operate within the frequency range of 24 to 33 GHz, making it suitable for various high-frequency applications. The HMC578-SX is particularly noted for its high output power, low input power drive, and excellent phase noise performance, which are critical parameters for maintaining good system noise performance.
Key Specifications
| Parameter | Min. | Typ. | Max. | Units |
|---|---|---|---|---|
| Frequency Range, Input | 12 | 14.75 | 16.5 | GHz |
| Frequency Range, Output | 24 | 29.5 | 33 | GHz |
| Output Power | 12 | 17 | dBm | |
| Fo Isolation (with respect to output level) | 22 | 25 | dBc | |
| 3Fo Isolation (with respect to output level) | 30 | 36 | dBc | |
| Input Return Loss | 10 | dB | ||
| Output Return Loss | 15 | dB | ||
| SSB Phase Noise (100 kHz Offset) | -132 | dBc/Hz | ||
| Supply Voltage | 4.5 | 5.0 | 5.5 | V |
| Supply Current (Idd) | 81 | mA | ||
| Die Size | 1.18 x 1.23 x 0.1 | mm |
Key Features
- High Output Power: The HMC578-SX provides a typical output power of +17 dBm from 24 to 33 GHz.
- Low Input Power Drive: The component can be driven with an input power as low as 0 dBm to +6 dBm.
- Excellent Isolation: Offers Fo isolation of >25 dBc and 3Fo isolation of >36 dBc at 28 GHz.
- Low Additive SSB Phase Noise: Features a low additive SSB phase noise of -132 dBc/Hz at 100 kHz offset.
- Single Supply Voltage: Operates on a single supply voltage of +5V with a current consumption of 81 mA.
- Compact Die Size: The die size is 1.18 x 1.23 x 0.1 mm, making it suitable for space-constrained applications.
Applications
- Clock Generation Applications: Suitable for SONET OC-192 and SDH STM-64 systems.
- Point-to-Point & VSAT Radios: Ideal for use in LO multiplier chains, reducing parts count compared to traditional approaches.
- Test Instrumentation: Used in various test and measurement equipment due to its high-frequency multiplication capabilities.
- Military & Radar Applications: Applicable in military EW (Electronic Warfare) and radar systems.
- Space Applications: Suitable for space-related applications due to its robust performance and compact size.
Q & A
- What is the frequency range of the HMC578-SX input and output?
The input frequency range is 12 to 16.5 GHz, and the output frequency range is 24 to 33 GHz.
- What is the typical output power of the HMC578-SX?
The typical output power is +17 dBm.
- What is the input power drive range for the HMC578-SX?
The input power drive range is from 0 dBm to +6 dBm.
- What is the Fo and 3Fo isolation of the HMC578-SX?
The Fo isolation is >25 dBc, and the 3Fo isolation is >36 dBc at 28 GHz.
- What is the SSB phase noise of the HMC578-SX at 100 kHz offset?
The SSB phase noise is -132 dBc/Hz at 100 kHz offset.
- What is the supply voltage and current consumption of the HMC578-SX?
The supply voltage is +5V, and the current consumption is 81 mA.
- What are the typical applications of the HMC578-SX?
It is used in clock generation, point-to-point and VSAT radios, test instrumentation, military and radar applications, and space applications.
- What technology is used in the HMC578-SX?
The HMC578-SX utilizes GaAs PHEMT technology.
- What is the die size of the HMC578-SX?
The die size is 1.18 x 1.23 x 0.1 mm.
- How is the HMC578-SX connected to RF ground?
The die bottom must be connected to RF ground.
