Overview
The HMC346LP3E is a GaAs MMIC (Monolithic Microwave Integrated Circuit) Voltage Variable Attenuator (VVA) produced by Analog Devices Inc. This component operates from DC to 14 GHz and is designed for use in various high-frequency applications. It features a wide bandwidth, low phase shift versus attenuation, and a simplified voltage control mechanism. The HMC346LP3E is packaged in a low-cost leadless surface mount plastic package, making it suitable for a range of modern electronic systems.
Key Specifications
| Parameter | Min. | Typ. | Max. | Units |
|---|---|---|---|---|
| Frequency Range | DC | - | 14 GHz | GHz |
| Insertion Loss (DC - 12 GHz) | - | 1.7 | 2.3 | dB |
| Insertion Loss (12 - 14 GHz) | - | 2.2 | 2.8 | dB |
| Attenuation Range (DC - 12 GHz) | 27 | - | 32 | dB |
| Attenuation Range (12 - 14 GHz) | 22 | - | 25 | dB |
| Return Loss (DC - 12 GHz) | 6 | - | 10 | dB |
| Return Loss (12 - 14 GHz) | 10 | - | 15 | dB |
| Switching Characteristics tRISE, tFALL (10/90% RF) | - | 2 | - | ns |
| Input Power for 0.25 dB Compression (0.5 - 20 GHz) | - | +8 | - | dBm |
| Input Third Order Intercept (0.5 - 20 GHz) | - | +25 | - | dBm |
| Package Type | - | - | - | 16-VFQFN Exposed Pad |
Key Features
- Wide Bandwidth: Operates from DC to 14 GHz, making it suitable for a variety of high-frequency applications.
- Low Phase Shift vs. Attenuation: Ensures minimal phase shift across the attenuation range, which is crucial for maintaining signal integrity.
- Simplified Voltage Control: The attenuation can be controlled using a single voltage input ranging from 0 to -3V.
- Low Cost Leadless Surface Mount Package: The 16-VFQFN exposed pad package is compact and cost-effective, ideal for modern electronic designs.
- RoHS Compliance: The HMC346LP3E is RoHS compliant, ensuring it meets environmental standards.
Applications
- Basestation Infrastructure: Used in cellular base stations for signal attenuation and control.
- Fiber Optics & Broadband Telecom: Suitable for fiber optic and broadband telecommunications systems.
- Microwave Radio & VSAT: Ideal for microwave radio and Very Small Aperture Terminal (VSAT) applications.
- Military Radios, Radar, & ECM: Used in military communication systems, radar, and electronic countermeasures.
- Test Instrumentation: Utilized in test and measurement equipment for precise signal control.
Q & A
- What is the frequency range of the HMC346LP3E?
The HMC346LP3E operates from DC to 14 GHz.
- What is the typical insertion loss of the HMC346LP3E?
The typical insertion loss is 1.7 dB for DC - 12 GHz and 2.2 dB for 12 - 14 GHz.
- What is the attenuation range of the HMC346LP3E?
The attenuation range is 27 dB to 32 dB for DC - 12 GHz and 22 dB to 25 dB for 12 - 14 GHz.
- How is the attenuation controlled in the HMC346LP3E?
The attenuation is controlled using a single voltage input ranging from 0 to -3V.
- What is the package type of the HMC346LP3E?
The HMC346LP3E is packaged in a 16-VFQFN exposed pad package.
- Is the HMC346LP3E RoHS compliant?
Yes, the HMC346LP3E is RoHS compliant.
- What are some typical applications of the HMC346LP3E?
Typical applications include basestation infrastructure, fiber optics and broadband telecom, microwave radio and VSAT, military radios, radar, and ECM, and test instrumentation.
- What is the return loss specification of the HMC346LP3E?
The return loss is typically 6 dB for DC - 12 GHz and 10 dB for 12 - 14 GHz.
- What is the switching time of the HMC346LP3E?
The switching time (tRISE, tFALL) is typically 2 ns.
- What is the input power for 0.25 dB compression?
The input power for 0.25 dB compression is typically +8 dBm.
