Part Number: SW-209
Function: Matched GaAs SPST Switch DC – 3.0 GHz
Manufacturer: MACOM, Tyco Electronics
Pinouts:
Description
SW-209 is a matched GaAs SPST RF switch designed for high-frequency applications from DC up to 3.0GHz. It offers fast switching speed, low insertion loss, and extremely low DC power consumption, making it suitable for RF signal routing. This device is commonly used in communication systems, RF test equipment, and microwave switching applications.
Features
- GaAs SPST (Single Pole Single Throw) RF switch
- Wide frequency operation from DC to 3.0GHz
- Fast switching speed of 6ns typical
- Ultra-low DC power consumption
- Compact package size (4.6mm square)
- Matched design for improved RF performance
- Suitable for high-frequency signal routing
Design Notes
- Maintain controlled impedance (typically 50Ω) PCB traces for optimal RF performance
- Minimize parasitic capacitance and inductance in layout to preserve high-frequency characteristics
- Proper biasing of control voltage is critical for reliable switching operation
- Use RF grounding techniques and via stitching to reduce signal loss and crosstalk
- Thermal performance should be evaluated under high RF input power conditions
Typical Circuit Usage
- RF signal switching and routing circuits
- Transmit/receive path switching in communication systems
- RF test and measurement equipment
- Microwave signal control modules
Absolute Maximum Ratings (Tc = 25 °C)
| Parameter | Symbol | Value | Unit |
| Input Power (0.05GHz) | PIN | +27 | dBm |
| Input Power (0.5–2.0GHz) | PIN | +34 | dBm |
| Control Voltage | VCTRL | +5 / -8.5 | V |
| Operating Temperature | Topr | -55 to 125 | °C |
| Storage Temperature | Tstg | -65 to 150 | °C |
How to Choose This Part
- Select for high-frequency switching applications up to 3GHz
- Suitable when fast switching speed is required
- Ideal for low-power control systems with minimal DC consumption
- Ensure compatibility with required RF power levels and control voltages
Applications
- Wireless communication systems
- RF and microwave instrumentation
- Radar and signal processing systems
- Antenna switching networks
Alternative / Equivalent Products
- HMC194
- MASWSS0115
- PE4259
- ADG918 (lower frequency alternative)
Other data sheets are available within the file: SW209, SW-209B, SW-209G

