Data Bus

Motion Control

Power Control

Transformers, Inductors & Couplers

Rad-Tolerant Solutions

Custom Solutions



High-Power Synchro Booster Amplifiers


Part Number(s): SBA-3500x

DDC's Synchro Booster Amplifiers provide high-powered Synchro outputs in a single compact easy-to-use rugged module.


  • High Output Power Allows for Driving Large Torque Receiver Loads or Multiple CT and CDX Load
  • Powered from the Reference Input, No Additional Power Source Needed
  • Reduces Power Consumption in Disabled Mode When Output is not Required
  • "Power-Up" in Enabled Mode Eliminates Need for Interfacing to a Controller
  • Reduce Overall System Weight using the Lightest 25VA SBA on the Market


  • Training Simulators
  • Remote Indicators
  • Gunfire Control
  • Navy Retransmission Systems
  • Torque Receivers
  • Multiple CTs
  • Multiple CDXs


  • Save on Maintenance Costs, No Calibration Required
  • 90V, 60 or 400Hz Synchro Outputs
  • 25VA Output Drive
  • Amplifies 90V Synchro, 6.81V, 5V, and 2V Resolver Inputs
  • Kick Circuit Frees Torque Receiver Rotor to Prevent Hang-ups
  • Very High Efficiency
    • Deriving Power from Reference Reduces Heat Dissipation by 50%
  • Protected Against Short Circuits, Over-Loading, Load Transients, and Over-Temperature
  • Shock and Vibration Testing Performed
  • Built-In Test Monitor Output for Fault Indication
  • Power On/Off Can Be Externally Controlled
  • No Calibration Required
  • Drop-In Replacement to the SBA-25001/2/3/4 Series Synchro Boosters
    • No External +5V Supply Needed
  • -40°C to +85°C Operating Temperature
  • Compact Size
    • SBA-350xx - 7.4 in. x 5.06 in. x 1.32 in. (188 mm x 129 mm x 33.5 mm)
    • SBA-351xx - 7.4 in. x 5.09 in. x 1.8 in. (188 mm x 129 mm x 46 mm)
  • Reduced Weight
    • SBA-350xx — 1.2 lbs (0.54 kg) max
    • SBA-351xx — 1.4 lbs (0.635 kg) max



 Product Brief

SBA-3500x High-Power Synchro Booster Amplifiers Product Brief


SBA-3500x High-Power Synchro Booster Amplifiers Data Sheet

 Generic Document

Synchro/Resolver Conversion Handbook

Synchro/Resolver Solutions Flyer

DDC Custom Solutions Brochure

DDC Product Catalog

DDC Corporate Overview


Ordering Information:

 Ordering Information

You can use the following link to download a PDF copy of the Ordering Information:

Request a Quote:

Click Here to Request a Quote