Overview
The HMC561 is a x2 active broadband frequency multiplier chip developed by Analog Devices Inc., utilizing GaAs PHEMT (Pseudomorphic High Electron Mobility Transistor) technology. This component is designed to provide high output power and low additive phase noise, making it suitable for a variety of high-frequency applications. When driven by a +5 dBm signal, the multiplier delivers a typical output power of +17 dBm across the frequency range of 8 to 21 GHz.
Key Specifications
| Parameter | Min. | Typ. | Max. | Units |
|---|---|---|---|---|
| Frequency Range, Input | 4 | 6.5 | 10.5 | GHz |
| Frequency Range, Output | 8 | 13.5 | 21 | GHz |
| Output Power | 14 | 17 | - | dBm |
| Fo Isolation (with respect to output level) | 15 | - | - | dBc |
| 3Fo Isolation (with respect to output level) | 15 | - | - | dBc |
| 4Fo Isolation (with respect to output level) | 15 | - | - | dBc |
| Input Return Loss | 15 | - | - | dB |
| Output Return Loss | 12 | - | - | dB |
| SSB Phase Noise (100 kHz Offset) | -139 | - | - | dBc/Hz |
| Supply Current (Idd) (Vdd = 5V, Vgg = -1.7V Typ.) | - | 98 | - | mA |
Key Features
- High Output Power: +17 dBm typical output power from 8 to 21 GHz when driven by a +5 dBm signal.
- Low Input Power Drive: Operates with input power levels from 0 to +6 dBm.
- Low Additive SSB Phase Noise: -139 dBc/Hz at 100 kHz offset, ensuring good system noise performance.
- High Isolation: Fo, 3Fo, and 4Fo isolations are 15 dBc at 16 GHz.
- RoHS Compliant: Available in leadless RoHS compliant SMT packages.
- Compact Design: Die size of 1.6 x 0.9 x 0.1 mm, and also available in 3x3 mm SMT package.
Applications
- Clock Generation: Suitable for SONET OC-192 and SDH STM-64 applications.
- 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.
- Military & Space: Applicable in military and space-related high-frequency systems.
Q & A
- What is the HMC561 frequency multiplier used for? The HMC561 is used as a x2 active broadband frequency multiplier in various high-frequency applications, including clock generation, point-to-point and VSAT radios, test instrumentation, and military and space systems.
- What is the output power of the HMC561 when driven by a +5 dBm signal? The HMC561 provides a typical output power of +17 dBm when driven by a +5 dBm signal.
- What is the frequency range of the HMC561? The input frequency range is 4 to 10.5 GHz, and the output frequency range is 8 to 21 GHz.
- What is the phase noise performance of the HMC561? The HMC561 has a low additive SSB phase noise of -139 dBc/Hz at 100 kHz offset.
- Is the HMC561 RoHS compliant? Yes, the HMC561 is available in leadless RoHS compliant SMT packages.
- What are the typical applications of the HMC561? The HMC561 is typically used in clock generation for SONET OC-192 and SDH STM-64, point-to-point and VSAT radios, test instrumentation, and military and space systems.
- What is the supply current of the HMC561? The supply current (Idd) is typically 98 mA at Vdd = 5V and Vgg = -1.7V.
- What is the isolation performance of the HMC561? The Fo, 3Fo, and 4Fo isolations are 15 dBc at 16 GHz.
- What type of technology does the HMC561 use? The HMC561 uses GaAs PHEMT technology.
- What is the package type of the HMC561? The HMC561 is available in die form and also in a 3x3 mm SMT package.
