IEC 60118-4 Ed. 1.0 b:1981

• by admin
• Comments Off on IEC 60118-4 Ed. 1.0 b:1981
• IEC

Click here to purchase
Applies to audio-frequency induction loop systems producing an alternating magnetic field and intended to provide an input signal for hearing aids operating with an induction pick-up coil. Specifies a standard value of magnetic field strength in audio-frequency induction loops for hearing aid purposes, such as will give an adequate signal-to-noise ratio without overloading the hearing aid.

Product Details

Edition:

1.0

Published:

01/01/1981

Number of Pages:

9

File Size:

1 file , 510 KB