EUROLAB, with its state-of-the-art accredited laboratories and expert team, provides precise and fast testing services within the scope of IEC EN 61305-2 testing. Applies to high-quality household radio receiver units, which are capable of receiving frequency modulated audio broadcasts with a nominal maximum system deviation of ±75 kHz, using the pilot-tone system for stereophonic broadcasting. Applicable to systems using ±50 kHz nominal maximum system deviation, proportionally reducing all specified deviations.
Except where specified, electrical conditions shall be those specified in IEC EN 60315-1 and IEC EN 60315-4 and measurements shall be made at a radio frequency input level of 70 dB (fW), equivalent to an emf. Output measurements will be made at the main output terminals of the device and the terminals used will be indicated with the results. If an output level control is provided (other than the factory preset), it should be set to a fixed position with results within the expected settings range in use.
Except as noted, all output voltage measurements af expressed in decibels af output voltage produced by an rf, input signal level of 67,5 dB (fW) modulated at 1 kHz with a deviation of ±70 kHz; For a stereo signal, the channels are modulated in phase.
The gain difference between channels is expressed in decibels as the maximum difference in the level of the right channel output relative to the left channel output over the frequency range 250 Hz to 6,3 kHz.
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