Overview
The HMC448-SX from Analog Devices Inc. is a GaAs PHEMT (Pseudomorphic High Electron Mobility Transistor) based x2 active broadband frequency multiplier chip. This device is designed to operate within the frequency range of 19 GHz to 25 GHz, making it suitable for various high-frequency applications. The HMC448-SX is particularly useful in systems requiring precise frequency multiplication with low phase noise and high output power.
Key Specifications
| Parameter | Min. | Typ. | Max. |
|---|---|---|---|
| Output Frequency | 19 GHz | - | 25 GHz |
| Output Power | - | +11 dBm | - |
| Input Power Range | -4 dBm | - | +6 dBm |
| Fo, 3Fo Isolation | - | >20 dBc @ Fout= 20 GHz | - |
| 100 KHz SSB Phase Noise | - | -135 dBc/Hz | - |
| Supply Voltage | 4.5 V | 5.0 V | 5.5 V |
| Supply Current | - | 48 mA @ 5V | - |
| Die Size | - | 1.16 x 1.20 x 0.1 mm | - |
| RoHS Status | - | Lead free / RoHS Compliant | - |
Key Features
- Utilizes GaAs PHEMT technology for high performance.
- x2 active broadband frequency multiplication.
- High output power of +11 dBm typical from 19 GHz to 25 GHz.
- Wide input power range of -4 dBm to +6 dBm.
- High Fo and 3Fo isolations of >20 dBc.
- Low additive SSB Phase Noise of -135 dBc/Hz at 100 kHz offset.
- Single supply voltage of 5V with a current consumption of 48 mA.
- Compact die size of 1.16 x 1.20 x 0.1 mm.
- Lead free and RoHS compliant.
Applications
- Clock Generation Applications: SONET OC-192 & SDH STM-64.
- Point-to-Point & VSAT Radios.
- Test Instrumentation.
- Military & Space applications.
- Generation of half rate clock for 40 Gbps systems or full rate 40 Gbps clock in multiplier chains.
- LO multiplier chains for Pt to Pt & VSAT Radios.
Q & A
- What is the frequency range of the HMC448-SX?
The HMC448-SX operates within the frequency range of 19 GHz to 25 GHz.
- What is the typical output power of the HMC448-SX?
The typical output power is +11 dBm.
- What is the input power range for the HMC448-SX?
The input power range is from -4 dBm to +6 dBm.
- What is the phase noise performance of the HMC448-SX?
The 100 KHz SSB Phase Noise is -135 dBc/Hz.
- What is the supply voltage and current for the HMC448-SX?
The supply voltage is 5V with a current consumption of 48 mA.
- What are the typical applications of the HMC448-SX?
It is used in clock generation, point-to-point and VSAT radios, test instrumentation, and military & space applications.
- Is the HMC448-SX RoHS compliant?
Yes, the HMC448-SX is lead free and RoHS compliant.
- What is the die size of the HMC448-SX?
The die size is 1.16 x 1.20 x 0.1 mm.
- What technology does the HMC448-SX use?
The HMC448-SX utilizes GaAs PHEMT technology.
- How does the HMC448-SX contribute to system noise performance?
The low additive SSB Phase Noise helps maintain good system noise performance.
