What does THD stand for?

Combining unmatched versatility and performance, the e1002 supercardioid electret condenser features an extended frequency response of 10-18kHz; dynamic range of 132dB; total harmonic distortion of less than 0.

They also feature an excellent low total harmonic distortion (THD), not greater than -85 dB and a longitudinal balance not greater than -40 dB which improves reach to give better transmission service.

FDA cited deviations in the manufacture and repair of hearing aids, including failure to analyze all sources of quality data to identify the causes of product non-conformities; a lack of procedures for internal audits and CAPA; inadequate finished device testing procedures, since only 20 of 16,000 Crystal Ear devices were tested and results showed failure to meet the total harmonic distortion specification consistently; incomplete specifications in the device master record; failure to test the room used for testing hearing aids to prevent interference in test results, as required by the operator's manual for the Fonix 6500 testing machine; inadequate training; and an unvalidated process for permanent labeling.

Digital interleaved PFC improves the power supply's overall efficiency, along with the input power factor, voltage regulation and the Total Harmonic Distortion (THD) of the input current.

It establishes a standard Bluetooth link with a Device Under Test (DUT) then performs all key measurements, including level, frequency response, and Total Harmonic Distortion and Noise (THD+N), via its internal audio generators and analyzers.

With continuous feedback and feedforward paths that reduce the inherent non-linearity of switching power MOSFETs as well as improve stability at high switching frequencies, the CS3511 is able to achieve best in class total harmonic distortion plus noise (THD+N) performance of 0.

Altogether this improves total harmonic distortion (THD+N) to superb 0.

5% total harmonic distortion (typical), anti-islanding protection, and a comprehensive range of communications interface options.