Overview
The HMC347LP3E is a broadband, high-isolation, non-reflective GaAs MESFET SPDT (Single-Pole Double-Throw) switch produced by Analog Devices Inc. This component is designed to operate over a wide frequency range from DC to 14 GHz, making it suitable for various high-frequency applications. The switch is packaged in a low-cost, leadless QFN (Quad Flat No-Lead) surface mount plastic package, measuring 3x3 mm.
Key Specifications
| Parameter | Frequency Range | Min. | Typ. | Max. | Units |
|---|---|---|---|---|---|
| Insertion Loss | DC - 3.0 GHz | 1.5 | 1.6 | 1.9 | dB |
| Insertion Loss | DC - 6.0 GHz | 1.6 | 1.9 | 2.1 | dB |
| Insertion Loss | DC - 12.0 GHz | 1.9 | 2.1 | 2.4 | dB |
| Insertion Loss | DC - 14.0 GHz | 2.0 | 2.1 | 2.4 | dB |
| Isolation | DC - 3.0 GHz | 49 | 53 | - | dB |
| Isolation | DC - 6.0 GHz | 41 | 46 | - | dB |
| Isolation | DC - 12.0 GHz | 39 | 44 | - | dB |
| Isolation | DC - 14.0 GHz | 33 | 38 | - | dB |
| Return Loss “On State” | DC - 6.0 GHz | 10 | 13 | - | dB |
| Return Loss “On State” | DC - 14.0 GHz | 8 | 13 | - | dB |
| Return Loss RF1, RF2 “Off State” | DC - 6.0 GHz | 7 | - | - | dB |
| Return Loss RF1, RF2 “Off State” | DC - 14.0 GHz | 6 | - | - | dB |
| 1 dB Compression Point | 0.5 - 14.0 GHz | - | - | 30-35 dBm | dBm |
| Input Third Order Intercept | 0.5 - 14.0 GHz | - | - | 38-43 dBm | dBm |
| Operating Temperature | - | -55°C | - | 85°C | °C |
Key Features
- High Isolation: Greater than 50 dB isolation up to 3 GHz and greater than 40 dB isolation up to 13 GHz.
- Low Insertion Loss: As low as 1.5 dB at 3 GHz and 2.4 dB at 14 GHz.
- Non-Reflective Design: Ensures minimal reflections and optimal performance.
- Complementary Negative Control Voltage Logic: Operates with -5/0V control voltage lines, requiring no bias supply.
- Compact Package: 3x3 mm QFN surface mount plastic package.
- No Current Consumption: The switch does not consume current, making it power-efficient.
Applications
- Basestation Infrastructure: Ideal for use in cellular base stations and other wireless infrastructure.
- Fiber Optics & Broadband Telecom: Suitable for high-speed data transmission applications.
- Microwave Radio & VSAT: Used in satellite communications and microwave radio systems.
- Military Radios, Radar, & ECM: Applicable in various military communication and radar systems.
- Test Instrumentation: Useful in test and measurement equipment for high-frequency signals.
Q & A
- What is the frequency range of the HMC347LP3E?
The HMC347LP3E operates from DC to 14 GHz.
- What is the typical insertion loss of the HMC347LP3E at 10 GHz?
The typical insertion loss at 10 GHz is 1.6 dB.
- What is the isolation of the HMC347LP3E up to 3 GHz?
The isolation is greater than 50 dB up to 3 GHz.
- What type of control voltage does the HMC347LP3E use?
The switch operates using complementary negative control voltage logic lines of -5/0V.
- Does the HMC347LP3E require a bias supply?
No, the switch does not require a bias supply.
- What is the package type of the HMC347LP3E?
The component is packaged in a 3x3 mm QFN surface mount plastic package.
- What are the typical applications of the HMC347LP3E?
It is used in basestation infrastructure, fiber optics, broadband telecom, microwave radio, VSAT, military radios, radar, ECM, and test instrumentation.
- What is the operating temperature range of the HMC347LP3E?
The operating temperature range is from -55°C to 85°C.
- Is the HMC347LP3E RoHS-compliant?
Yes, the HMC347LP3E is RoHS-compliant.
- What is the return loss of the HMC347LP3E in the “On State” up to 6 GHz?
The return loss in the “On State” up to 6 GHz is typically 10 dB.
