Overview
The HMC347 is a broadband, non-reflective, gallium arsenide (GaAs) monolithic microwave integrated circuit (MMIC) single-pole, double-throw (SPDT) switch. Manufactured by Analog Devices Inc., this component is designed to operate over a wide frequency range from DC to 20 GHz. It is particularly noted for its high isolation and low insertion loss, making it suitable for various high-frequency applications.
Key Specifications
| Parameter | Min. | Typ. | Max. | Units |
|---|---|---|---|---|
| Frequency Range | DC | - | 20 GHz | GHz |
| Insertion Loss | 1.7 | 2.0 | 2.2 | dB |
| Isolation | 40 | 45 | - | dB |
| Return Loss (On State) | 10 | 13 | - | dB |
| Input Power for 1 dB Compression | 19 | 23 | - | dBm |
| Input Third Order Intercept (IIP3) | 38 | 43 | - | dBm |
| Operating Temperature | -55°C | - | 85°C | °C |
| Control Voltage Range | -7.5 V | -5 V / 0 V | 0.5 V | Vdc |
Key Features
- Broadband frequency range: DC to 20 GHz
- Non-reflective, 50 Ω design
- Low insertion loss: < 2.0 dB across the frequency range
- High isolation: > 40 dB across the frequency range
- High input linearity with Input P1dB: 23 dBm typical and Input IP3: 43 dBm typical
- High power handling: 27 dBm through path and 25 dBm terminated path
- No supply voltage required; operates with two negative control voltage inputs (-5 V/0 V)
- Small size: 1.3 x 0.8 x 0.1 mm (die package)
Applications
- Test instrumentations
- Microwave radios and very small aperture terminals (VSATs)
- Military radios and radars, electronic counter measures (ECMs)
- Broadband telecommunications systems
- Fiber optics
- Space applications
Q & A
- What is the frequency range of the HMC347?
The HMC347 operates from DC to 20 GHz.
- What is the typical insertion loss of the HMC347?
The typical insertion loss is less than 2.0 dB across the frequency range.
- What is the isolation of the HMC347?
The isolation is greater than 40 dB across the frequency range.
- Does the HMC347 require a supply voltage?
No, the HMC347 operates with two negative control voltage inputs (-5 V/0 V) and does not require a supply voltage.
- What are the typical input power levels for 1 dB compression and third-order intercept?
The typical input power for 1 dB compression is 23 dBm, and the typical third-order intercept (IIP3) is 43 dBm.
- What is the operating temperature range of the HMC347?
The operating temperature range is -55°C to 85°C.
- What are some common applications of the HMC347?
Common applications include test instrumentations, microwave radios, VSATs, military radios and radars, and broadband telecommunications systems.
- What is the package type of the HMC347?
The HMC347 is available in a die package, with dimensions of 1.3 x 0.8 x 0.1 mm.
- Is the HMC347 suitable for high-power applications?
Yes, the HMC347 can handle high power levels, with 27 dBm through the path and 25 dBm in the terminated path.
- What is the control voltage range for the HMC347?
The control voltage range is from -7.5 V to 0.5 Vdc.
