Overview
The HMC347C8TR, produced by Analog Devices Inc., is a broadband high isolation non-reflective GaAs MESFET SPDT (Single-Pole Double-Throw) switch. This component is designed in a non-hermetic surface mount ceramic package and operates over a wide frequency range from DC to 8 GHz. It is characterized by its high isolation and low insertion loss, making it suitable for various high-frequency applications.
Key Specifications
| Parameter | Min. | Typ. | Max. | Units |
|---|---|---|---|---|
| Insertion Loss (DC - 2.0 GHz) | 1.7 | 2.0 | 2.4 | dB |
| Insertion Loss (DC - 6.0 GHz) | 2.0 | 2.4 | 2.8 | dB |
| Insertion Loss (DC - 8.0 GHz) | 2.4 | 2.8 | 3.2 | dB |
| Isolation (DC - 2.0 GHz) | 49 | 50 | 54 | dB |
| Isolation (DC - 6.0 GHz) | 35 | 40 | 45 | dB |
| Isolation (DC - 8.0 GHz) | 32 | 36 | 40 | dB |
| Return Loss 'On State' (DC - 2.0 GHz) | 10 | 12 | 13 | dB |
| Return Loss 'On State' (DC - 6.0 GHz) | 7 | 9 | 10 | dB |
| Return Loss 'On State' (DC - 8.0 GHz) | 6 | 8 | 9 | dB |
| Input Power for 1 dB Compression (0.5 - 8.0 GHz) | 19 | 23 | - | dBm |
| Operating Temperature | -55°C | - | 85°C | °C |
| Supply Voltage | - | 5V | - | V |
| Control Voltage Range | -7.5V | -5V/0V | 0.5V | Vdc |
Key Features
- Broadband operation from DC to 8 GHz.
- High isolation: >50 dB up to 2 GHz and >35 dB up to 8 GHz.
- Low insertion loss: typically 2 dB.
- Non-reflective design.
- Operates using complementary negative control voltage logic lines of -5/0V, requiring no bias supply.
- Non-hermetic surface mount ceramic package.
- No hot switching of power levels greater than +13 dBm.
- ESD sensitive device with Class 1A HBM rating.
Applications
- Telecom Infrastructure
- Microwave Radio & VSAT
- Military Radios, Radar & ECM
- Test Instrumentation
Q & A
- What is the frequency range of the HMC347C8TR?
The HMC347C8TR operates from DC to 8 GHz.
- What is the typical insertion loss of the HMC347C8TR?
The typical insertion loss is 2 dB.
- What is the isolation performance of the HMC347C8TR?
The isolation is greater than 50 dB up to 2 GHz and greater than 35 dB up to 8 GHz.
- Does the HMC347C8TR require a bias supply?
No, it operates using complementary negative control voltage logic lines of -5/0V and requires no bias supply.
- What is the package type of the HMC347C8TR?
The component is packaged in a non-hermetic surface mount ceramic package.
- What are the typical applications of the HMC347C8TR?
It is ideal for telecom infrastructure, microwave radio & VSAT, military radios, radar & ECM, and test instrumentation.
- What is the operating temperature range of the HMC347C8TR?
The operating temperature range is from -55°C to 85°C.
- What is the control voltage range for the HMC347C8TR?
The control voltage range is from -7.5V to 0.5V.
- Is the HMC347C8TR sensitive to ESD?
Yes, it is an ESD sensitive device with a Class 1A HBM rating.
- Can the HMC347C8TR be hot-switched at high power levels?
No, it should not be hot-switched at power levels greater than +13 dBm.
