Overview
The HMC347LP3TR is a broadband, high isolation, non-reflective GaAs MESFET SPDT (Single-Pole Double-Throw) switch manufactured by Analog Devices Inc. This component is packaged in a low-cost, leadless 3x3 mm QFN (Quad Flat No-Lead) surface mount plastic package. It operates from DC to 14 GHz, offering high isolation and low insertion loss, making it an excellent choice for various high-frequency applications.
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 | 2.4 | - | 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 (Off State) | DC - 6.0 GHz | 7 | 10 | - | dB |
| Return Loss (Off State) | DC - 14.0 GHz | 6 | 9 | - | dB |
| Input Power for 1 dB Compression | 0.5 - 14.0 GHz | 19 | 23 | - | dBm |
| Input Third Order Intercept | 0.5 - 14.0 GHz | 38 | 43 | - | dBm |
| Switching Characteristics tRISE, tFALL (10/90% RF) | DC - 14 GHz | 3 | 6 | - | ns |
| Switching Characteristics tON, tOFF (50% CTL to 10/90% RF) | DC - 14 GHz | 3 | 6 | - | ns |
Key Features
- High Isolation: Greater than 50 dB up to 3 GHz and greater than 40 dB up to 13 GHz.
- Low Insertion Loss: 1.6 dB at 10 GHz.
- Non-Reflective Design: Ensures minimal signal reflection.
- Compact Package: 3x3 mm QFN surface mount plastic package.
- No Bias Supply Required: Operates using complementary negative control voltage logic lines of -5/0V.
- Fast Switching Times: tRISE and tFALL of 3 ns, tON and tOFF of 6 ns.
Applications
- Basestation Infrastructure: Ideal for cellular base stations and other wireless communication systems.
- Fiber Optics & Broadband Telecom: Suitable for high-speed data transmission systems.
- Microwave Radio & VSAT: Used in satellite communication 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 HMC347LP3TR?
The HMC347LP3TR operates from DC to 14 GHz.
- What is the typical insertion loss of the HMC347LP3TR at 10 GHz?
The typical insertion loss is 1.6 dB at 10 GHz.
- What is the isolation of the HMC347LP3TR up to 3 GHz?
The isolation is greater than 50 dB up to 3 GHz.
- Does the HMC347LP3TR require a bias supply?
No, it operates using complementary negative control voltage logic lines of -5/0V and does not require a bias supply.
- What is the package type of the HMC347LP3TR?
The component is packaged in a 3x3 mm QFN surface mount plastic package.
- What are the typical switching times of the HMC347LP3TR?
The tRISE and tFALL are 3 ns, and the tON and tOFF are 6 ns.
- What is the input power for 1 dB compression of the HMC347LP3TR?
The input power for 1 dB compression is 19 to 23 dBm from 0.5 to 14 GHz.
- What is the input third-order intercept point of the HMC347LP3TR?
The input third-order intercept point is 38 to 43 dBm from 0.5 to 14 GHz.
- In what applications is the HMC347LP3TR commonly used?
It is commonly used in basestation infrastructure, fiber optics and broadband telecom, microwave radio and VSAT, military radios, radar, and ECM, as well as test instrumentation.
- Is the HMC347LP3TR RoHS compliant?
There are both RoHS-compliant and non-compliant versions available, such as the HMC347LP3E and HMC347LP3 respectively.
