Overview
The HMC347C8 is a broadband high isolation non-reflective GaAs MESFET SPDT (Single-Pole Double-Throw) switch manufactured by Analog Devices Inc. This component is housed in a non-hermetic surface mount ceramic package and operates over a frequency range of DC to 8 GHz. It is designed to provide high isolation and low insertion loss, making it suitable for various high-frequency applications.
Key Specifications
| Parameter | Frequency Range | 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 | 54 | 55 | dB |
| Isolation | DC - 6.0 GHz | 35 | 40 | 42 | dB |
| Isolation | DC - 8.0 GHz | 32 | 36 | 38 | dB |
| Return Loss (On State) | DC - 2.0 GHz | 10 | 13 | 15 | dB |
| Return Loss (On State) | DC - 6.0 GHz | 7 | 10 | 12 | dB |
| Return Loss (On State) | DC - 8.0 GHz | 6 | 9 | 11 | dB |
| Input Power for 1 dB Compression | 0.5 - 8.0 GHz | 19 | 23 | dBm | |
| Input Third Order Intercept Point | 0.5 - 8.0 GHz | 20 | dBm | ||
| Operating Temperature | -55 | 85 | °C | ||
| Storage Temperature | -65 | 150 | °C |
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
- No bias supply required; operates with complementary negative control voltage logic lines of -5/0V
- Lead-free and RoHS compliant
- Surface mount ceramic package with exposed pad
- High input third-order intercept point (IIP3): 43 dBm
Applications
- Telecom Infrastructure
- Microwave Radio & VSAT
- Military Radios, Radar & ECM
- Test Instrumentation
Q & A
- What is the frequency range of the HMC347C8? The HMC347C8 operates from DC to 8 GHz.
- What is the typical insertion loss of the HMC347C8? The typical insertion loss is 2 dB.
- What is the isolation of the HMC347C8 at 2 GHz? The isolation at 2 GHz is greater than 50 dB.
- Does the HMC347C8 require a bias supply? No, it does not require a bias supply; it operates using complementary negative control voltage logic lines of -5/0V.
- What is the operating temperature range of the HMC347C8? The operating temperature range is -55°C to 85°C.
- Is the HMC347C8 RoHS compliant? Yes, it is lead-free and RoHS compliant.
- What is the package type of the HMC347C8? It is housed in a non-hermetic surface mount ceramic package with an exposed pad.
- What are the typical applications of the HMC347C8? Typical applications include telecom infrastructure, microwave radio & VSAT, military radios, radar & ECM, and test instrumentation.
- What is the input power for 1 dB compression? The input power for 1 dB compression is 19 to 23 dBm.
- What is the input third-order intercept point (IIP3) of the HMC347C8? The IIP3 is typically 43 dBm.
