Overview
The HMC544AETR, produced by Analog Devices Inc., is a GaAs MMIC (Monolithic Microwave Integrated Circuit) SPDT (Single-Pole Double-Throw) switch designed for transmit/receive applications. This device is particularly suited for applications requiring very low insertion loss and high linearity across a wide frequency range from DC to 4.0 GHz.
It is available in a compact 6-lead SOT26 surface-mount package, making it ideal for space-constrained designs. The HMC544AETR is known for its low cost and high performance, making it a popular choice in various wireless communication systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Frequency Range | DC to 4.0 GHz | GHz |
| Insertion Loss | 0.2 dB @ 1.0 GHz | dB |
| Input P1dB | +39 dBm | dBm |
| Input IP3 | +60 dBm | dBm |
| Control Voltage Range | -0.2 to +12 Vdc | Vdc |
| Switching Time (tRISE, tFALL) | 30 ns | ns |
| Switching Time (tON, tOFF) | 50 ns | ns |
| Package Type | 6-lead SOT26 | |
| Maximum Peak Reflow Temperature | 235 °C | °C |
Key Features
- Very Low Insertion Loss: 0.2 dB at 1.0 GHz, making it suitable for high-frequency applications.
- High Input P1dB and IP3: +39 dBm and +60 dBm respectively, ensuring high linearity and minimal distortion.
- Positive Control Voltage: Operates with control voltages ranging from 0 to +3V or +5V.
- Compact Package: Available in a 6-lead SOT26 surface-mount package, ideal for space-constrained designs.
- Fast Switching Times: tRISE and tFALL of 30 ns, and tON and tOFF of 50 ns, enabling rapid switching between states.
Applications
- Cellular/PCS/3G Infrastructure: Basestations and Repeaters.
- WLAN, WiMAX, and WiBro: Wireless local area networks and broadband wireless access.
- Microwave and Fixed Wireless Radios: High-frequency communication systems.
Q & A
- What is the frequency range of the HMC544AETR?
The HMC544AETR operates from DC to 4.0 GHz.
- What is the typical insertion loss of the HMC544AETR at 1.0 GHz?
The typical insertion loss is 0.2 dB at 1.0 GHz.
- What are the input P1dB and IP3 values of the HMC544AETR?
The input P1dB is +39 dBm, and the input IP3 is +60 dBm.
- What is the control voltage range for the HMC544AETR?
The control voltage range is from -0.2 to +12 Vdc.
- What is the switching time of the HMC544AETR?
The switching times are tRISE and tFALL of 30 ns, and tON and tOFF of 50 ns.
- In what package is the HMC544AETR available?
The HMC544AETR is available in a 6-lead SOT26 surface-mount package.
- What is the maximum peak reflow temperature for the HMC544AETR?
The maximum peak reflow temperature is 235 °C.
- What are some typical applications of the HMC544AETR?
Typical applications include cellular/PCS/3G infrastructure, WLAN, WiMAX, WiBro, and microwave and fixed wireless radios.
- How should the control inputs A/B be driven?
The control inputs A/B can be driven directly with CMOS logic (HC) with Vdd of +3V to +5V applied to the CMOS logic gates.
- Are DC blocking capacitors required for each RF port?
Yes, DC blocking capacitors are required for each RF port as shown in the typical application circuit.
