Overview
The HMC347ALP3ETR is a broadband non-reflective GaAs MESFET SPDT (Single-Pole Double-Throw) MMIC (Monolithic Microwave Integrated Circuit) switch manufactured by Analog Devices Inc. This component is designed to operate across a wide frequency range from DC to 20 GHz, making it suitable for various high-frequency applications. The switch is characterized by its high isolation and low insertion loss, which are critical parameters for maintaining signal integrity in RF and microwave systems.
Key Specifications
| Parameter | Frequency Range | Min. | Typ. | Max. | Units |
|---|---|---|---|---|---|
| Insertion Loss | DC - 20.0 GHz | 1.7 | 2.2 | - | dB |
| Isolation | DC - 20.0 GHz | 40 | 45 | - | dB |
| Return Loss (On State) | DC - 20.0 GHz | 10 | 13 | - | dB |
| Return Loss (RF1, RF2 On State) | DC - 20.0 GHz | 8 | 10 | - | dB |
| Input Power for 1 dB Compression | 0.5 - 20.0 GHz | 19 | 23 | - | dBm |
| Input Third Order Intercept | 0.5 - 20.0 GHz | 38 | 43 | - | dBm |
| Switching Characteristics (tRISE, tFALL) | DC - 20.0 GHz | 3 | 6 | - | ns |
| Operating Temperature | - | -55 | - | 85 | °C |
| Control Voltage Range | - | - | 0.5V to -7.5Vdc | - | - |
Key Features
- High Isolation: Over 40 dB at 20 GHz, ensuring minimal signal leakage between ports.
- Low Insertion Loss: Typically 1.7 dB at 20 GHz, minimizing signal attenuation.
- Non-Reflective Design: Utilizes on-chip via hole structures to enhance isolation and reduce reflections.
- Small Size: Compact dimensions of 1.3 x 0.8 x 0.1 mm, suitable for space-constrained applications.
- Coplanar I/Os: Allows for 100% RF testing prior to delivery.
- No Current Consumption: Operates using two negative control voltage logic lines of -5/0V, with no Vee required.
- High Input Power Handling: Capable of handling input power up to 23 dBm for 1 dB compression.
- High Input Third Order Intercept: Typically 43 dBm, indicating good linearity performance.
Applications
- Fiber Optics: Suitable for optical communication systems requiring high-frequency switching.
- Microwave Radio: Used in microwave radio systems for frequency range up to 20 GHz.
- Military and Space: Ideal for military and space applications due to its robust performance and reliability.
- VSAT (Very Small Aperture Terminal): Employed in VSAT systems for satellite communications.
Q & A
- What is the frequency range of the HMC347ALP3ETR?
The HMC347ALP3ETR operates from DC to 20 GHz.
- What is the typical insertion loss of the HMC347ALP3ETR at 20 GHz?
The typical insertion loss is 1.7 dB at 20 GHz.
- What is the isolation of the HMC347ALP3ETR at lower frequencies?
The isolation is over 50 dB at lower frequencies.
- Does the HMC347ALP3ETR require any supply voltage?
No, it operates using two negative control voltage logic lines of -5/0V and requires no Vee.
- What is the input power handling capability of the HMC347ALP3ETR?
It can handle input power up to 23 dBm for 1 dB compression.
- What are the operating temperature ranges for the HMC347ALP3ETR?
The operating temperature range is from -55°C to 85°C.
- What is the typical input third order intercept point of the HMC347ALP3ETR?
The typical input third order intercept point is 43 dBm.
- Is the HMC347ALP3ETR suitable for space-constrained applications?
Yes, it has a small size of 1.3 x 0.8 x 0.1 mm.
- What type of I/Os does the HMC347ALP3ETR feature?
The HMC347ALP3ETR features coplanar I/Os.
- What are some typical applications of the HMC347ALP3ETR?
It is used in fiber optics, microwave radio, military, space, and VSAT applications.
