Overview
The HMC347G8TR is a broadband high isolation non-reflective GaAs MESFET SPDT (Single Pole Double Throw) switch produced by Analog Devices Inc. This component is housed in an 8-lead glass/metal (hermetic) surface mount package. It operates from DC to 8 GHz, making it suitable for a variety of high-frequency applications. The switch features high isolation and low insertion loss, making it an ideal choice for systems requiring reliable signal switching.
Key Specifications
| Parameter | Frequency Range | Min. | Typ. | Max. | Units |
|---|---|---|---|---|---|
| Insertion Loss | DC - 2.0 GHz | 2.0 | 2.2 | 2.3 | dB |
| Insertion Loss | DC - 6.0 GHz | 2.2 | 2.6 | 2.7 | dB |
| Insertion Loss | DC - 8.0 GHz | 2.3 | 2.7 | - | dB |
| Isolation | DC - 2.0 GHz | 39 | 43 | - | dB |
| Isolation | DC - 6.0 GHz | 25 | 28 | - | dB |
| Isolation | DC - 8.0 GHz | 22 | 25 | - | dB |
| Return Loss (On State) | DC - 2.0 GHz | 9 | 10 | - | dB |
| Return Loss (On State) | DC - 8.0 GHz | 6 | 12 | - | dB |
| Input Power for 1 dB Compression | 0.5 - 8.0 GHz | 19 | 23 | - | dBm |
| Input Third Order Intercept | 0.5 - 8.0 GHz | 38 | 43 | - | dBm |
| Control Voltage Range | - | - | +0.5V to -7.5 Vdc | - | Vdc |
| Operating Temperature | - | -55°C | - | +85°C | °C |
Key Features
- High Isolation: Greater than 42 dB isolation up to 2 GHz and greater than 25 dB isolation up to 8 GHz.
- Low Insertion Loss: Typically 2.2 dB at 6 GHz and 2.7 dB at 8 GHz.
- Non-Reflective Design: Ensures minimal signal reflection.
- No Bias Supply Required: Operates using complementary negative control voltage logic lines of -5/0V.
- Hermetic SMT Package: 8-lead glass/metal surface mount package.
- Wide Frequency Range: Operates from DC to 8 GHz.
- High Input Power Handling: Input power for 1 dB compression up to 23 dBm.
- High Third Order Intercept Point: Up to 43 dBm.
Applications
- Telecom Infrastructure: Suitable for high-frequency switching in telecom systems.
- Microwave Radio & VSAT: Ideal for satellite communication and microwave radio systems.
- Military Radios, Radar & ECM: Used in various military communication and radar systems.
- Test Instrumentation: Useful in test and measurement equipment requiring high isolation and low insertion loss.
Q & A
- What is the frequency range of the HMC347G8TR?
The HMC347G8TR operates from DC to 8 GHz.
- What is the typical insertion loss of the HMC347G8TR at 6 GHz?
The typical insertion loss at 6 GHz is 2.2 dB.
- What is the isolation of the HMC347G8TR at 2 GHz?
The isolation at 2 GHz is greater than 42 dB.
- Does the HMC347G8TR 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 maximum input power for 1 dB compression?
The maximum input power for 1 dB compression is 23 dBm.
- What is the operating temperature range of the HMC347G8TR?
The operating temperature range is from -55°C to +85°C.
- What type of package does the HMC347G8TR come in?
The HMC347G8TR comes in an 8-lead glass/metal (hermetic) surface mount package.
- What are some typical applications of the HMC347G8TR?
Typical applications include telecom infrastructure, microwave radio & VSAT, military radios, radar & ECM, and test instrumentation.
- What is the control voltage range for the HMC347G8TR?
The control voltage range is +0.5V to -7.5 Vdc.
- Is the HMC347G8TR sensitive to electrostatic discharge (ESD)?
Yes, it is an electrostatic sensitive device and requires careful handling.
