Analog vs Digital Servos

For existing and new radio control enthusiasts, one debate and conversation has been what is the difference between analog and digital servos. And which type is best for your particular application?

ANALOG SERVOS (+ & -)

Analog Stat Advantages	Analog Stat Disadvantages
Less Expensive Lower Power Consumption Low Frequency Audible Noise	Slow Response Large 8us Deadband Zone Weak Holding Torque Low Resolution - 256-512 steps

Typical Applications:

• Air > Sport & Scale Aircraft
• Surface > Sport Level 1/10 Cars & Trucks

DIGITAL SERVOS (+ & -)

Digital Stat Advantages	Digital Stat Disadvantages
Fast, Precise Response Excellent Holding Power - 3-5 times the stall torque 1us Deadband Zone - 8 times Better Centering Excellent Resolution for Smooth Controls - 2048-4096 steps	More Expensive Higher Power Consumption High Frequency Audible Noise

Typical Applications:

• Air > 3D & Pattern Aircraft of all Sizes, Jets and Larger Scale Models
• Surface > High Performance Cars & Trucks of all Sizes

MATCHUP CONSIDERATIONS:

Before placing your bets on either servo type, bear in mind, you should always match the level of the servo with the level of your model. Depending upon the speed and power that you need, an analog servo may be sufficient in producing the result you want, at a more affordable price. On the other hand, high performance models should always use high performance, digital servos. Another important factor is TORQUE. There is no such thing as too much torque! The higher the torque, the easier it is on the servo which keeps the heat down and improves reliability.

AND THE WINNER IS?

Ultimately, the choice comes down to your budget, performance requirements and the model technology level you have chosen. Feel free to reach out to Hitec’s Customer Service if you have any questions on which servo will be YOUR winner!

https://hitecrcd.com/contact-us/customer-service-repair