View Harman Kardon AVR 171 (serv.man7) EMC - CB Certificate online
8500 B lb Bl d N
Mr. Aaron Butters
8500 Balboa Blvd., Northridge, CA 91329, USA
VIDEO : VIDEO 1,2, MONITOR OUT
HDMI : IN(1,2,3,4,5,6), OUT(1, 2)
Optical 1,2, COAXIAL, IR IN, TRIGGER OUT
ZONE2 IR IN
: AM 522㎑ ~ 1,620㎑ (9㎑ Steps)
The tests have been performed on the EUT provided with the following
Sound and television broadcast receivers and associated equipment
- Immunity characteristics - Limits and methods of measurement
EMC immunity requirements of the standard stated in section 3.1
unwanted audio signal ratio of ≥40dB at a wanted signal level of 50mW.
2 x 1 m. The measuring set-up was shown in figure 3 EN55020(2007).
The principle of operation was similar to the measuring set-up of figure 3 in
The low pass filter was added to prevent the influence of the measuring results
by harmonics of the unwanted signal generators.
(Ro) and then to the AF inputs of the test system.
The power supply of the EUT was connected to a standard voltage source
(without special filters).
The measurements were performed with test software TS9980