Year: 2026

SW-209 Datasheet – Matched GaAs SPST Switch ( PDF )

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Part Number: SW-209

Function: Matched GaAs SPST Switch DC – 3.0 GHz

Manufacturer: MACOM, Tyco Electronics

Pinouts:

SW-209 datasheet

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

SW-209 Datasheet PDF Download


SW-209 pdf

BD9893F PDF Datasheet – DC-AC Inverter Control IC

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This post explains for the Inverter Control IC.

The Part Number is BD9893F.

The function of this semiconductor is DC-AC Inverter Control IC.

Manufacturer: Rohm

Preview images 1 page:

BD9893F datasheet

Description

This is DC-AC Inverter Control IC. BD9893F is a specialized electronic component designed to control and manage the operation of a DC to AC power inverter. DC-AC inverters are devices that convert direct current (DC) power into alternating current (AC) power. They are commonly used in various applications, such as uninterruptible power supplies (UPS), solar inverters, motor drives, and portable electronic devices.

Features

  • Single-channel push-pull inverter control architecture
  • Lamp current and voltage feedback regulation
  • Soft-start function for controlled startup sequencing
  • Short-circuit protection with timer latch mechanism
  • Integrated overvoltage protection
  • Under Voltage Lock Out (UVLO)
  • Standby mode selectable via control pin
  • BURST mode operation using PWM and DC input

2 page
BD9893F pdf rohm

Design Notes

  • Optimize transformer design to match push-pull switching characteristics
  • Carefully route feedback lines to minimize noise and ensure stable regulation
  • External timing components define soft-start and protection delay behavior
  • Ensure proper heat dissipation under continuous inverter operation
  • Use stable DC input filtering to maintain consistent BURST mode performance

How to Choose This Part

  • Select for push-pull inverter designs requiring integrated protection features
  • Suitable for applications needing accurate lamp current feedback
  • Consider when BURST mode efficiency at light load is important
  • Ideal for compact designs with minimal external component count

Applications

  • LCD and CCFL backlight inverters
  • DC-AC conversion modules
  • Industrial display power supplies
  • Portable electronic inverter systems

Alternative / Equivalent Products

  • BD9893FV
  • BD9897FS
  • OZ9938
  • FAN7316

BD9893F PDF Datasheet