Overview
The HMC578 is a GaAs PHEMT MMIC (Monolithic Microwave Integrated Circuit) x2 active broadband frequency multiplier produced by Analog Devices Inc. This component utilizes advanced GaAs PHEMT technology to provide high-performance frequency multiplication. It is designed to operate within the frequency range of 24 to 33 GHz, making it suitable for various high-frequency applications. The HMC578 is characterized by its high output power, low input power drive, and excellent phase noise performance, which are critical for maintaining good system noise performance in demanding applications.
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 | -132 | - | dBc/Hz |
| Supply Voltage (Vdd) | 4.5 | 5.0 | 5.5 | Vdc |
| Supply Current (Idd) | - | 81 | - | mA |
| Die Size | - | 1.18 x 1.23 x 0.1 | - | mm |
Key Features
- High Output Power: The HMC578 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 to +6 dBm.
- Excellent Isolation: It offers high Fo and 3Fo isolations, greater than 25 dBc and 36 dBc respectively at 28 GHz.
- Low Additive SSB Phase Noise: The component has a low additive SSB phase noise of -132 dBc/Hz at 100 kHz offset, ensuring good system noise performance.
- 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 compact designs.
Applications
- Clock Generation Applications: Suitable for SONET OC-192 and SDH STM-64 applications.
- Point-to-Point & VSAT Radios: Ideal for use in local oscillator (LO) multiplier chains, reducing parts count compared to traditional approaches.
- Test Instrumentation: Used in various test and measurement equipment requiring high-frequency signals.
- Military & Space: Applicable in military electronic warfare (EW) and radar systems, as well as in space-related applications.
Q & A
- What is the frequency range of the HMC578?
The HMC578 operates within the input frequency range of 12 to 16.5 GHz and the output frequency range of 24 to 33 GHz.
- What is the typical output power of the HMC578?
The typical output power of the HMC578 is +17 dBm.
- What is the input power drive requirement for the HMC578?
The HMC578 can be driven with an input power as low as 0 to +6 dBm.
- What are the Fo and 3Fo isolations of the HMC578?
The Fo and 3Fo isolations are greater than 25 dBc and 36 dBc respectively at 28 GHz.
- What is the phase noise performance of the HMC578?
The HMC578 has a low additive SSB phase noise of -132 dBc/Hz at 100 kHz offset.
- What is the supply voltage and current consumption of the HMC578?
The HMC578 operates on a single supply voltage of +5V with a current consumption of 81 mA.
- What are the typical applications of the HMC578?
The HMC578 is suitable for clock generation applications, point-to-point and VSAT radios, test instrumentation, and military and space applications.
- What technology does the HMC578 use?
The HMC578 uses GaAs PHEMT technology.
- What is the die size of the HMC578?
The die size of the HMC578 is 1.18 x 1.23 x 0.1 mm.
- Is the HMC578 RoHS compliant?
Yes, the HMC578 is RoHS compliant.
