Harman Kardon HD 990 (serv.man5) EMC - CB Certificate ▷ View online
Test report no. SH08090332-001
Page 36 of 76
9. Input immunity to RF voltages (differential mode) of the FM part of
sound receivers (S1)
Test result: NA
9.1 Limits and Performance Criterion
9.1.1 Limits
Limits of input immunity from unwanted signals outside the FM range:
Limits of input immunity from unwanted signals outside the FM range:
Limits of input immunity from unwanted signals inside the FM range:
Test report no. SH08090332-001
Page 37 of 76
9.1.2 Performance Criterion
Performance criterion A
Performance criterion A
9.2 Block Diagram of Test Setup
9.3 Test Setup and Test Procedure
Measurement was performed in shielded room.
Instruments used were following CISPR 16-1 and EN 55020.
Measurement methods and operation conditions of EUT was according to clause 5.1,
Instruments used were following CISPR 16-1 and EN 55020.
Measurement methods and operation conditions of EUT was according to clause 5.1,
5.2 and 5.3.1 of EN55020.
Test report no. SH08090332-001
Page 38 of 76
9.4 Test Protocol
Temperature
:
°C
Relative Humidity:
%
Recorded data
Fn (MHz)
Ff(MHz)
mono Stereo
66.2(a)
76.9
87.1
87.2
87.1
87.2
87.25
87.30
87.35
87.40
87.45
87.6
87.50
129.3(b)
118.6
108.4
108.3
108.25
108.20
108.15
108.10
108.05
107.9
108.00
(a) Only applicable for receivers with the local oscillator frequency below the tuned
frequency.
(b) Only applicable for receivers with the local oscillator frequency above the tuned
frequency.
Test report no. SH08090332-001
Page 39 of 76
Nf [dB(uV)] (75
Ω) 1kHz FN dev, 40kHz
Fn(MHz) Ff(MHz)
mono Stereo
97.5 and 98.5
97.6 and 98.4
97.65 and 98.35
97.7 and 98.3
97.75 and 98.25
97.8 and 98.2
97.85 and 98.15
97.9 and 98.1
97.925 and 98.075
97.95 and 98.05
97.975 and 98.025
98
98
“*” means margin > 6 dB
Click on the first or last page to see other HD 990 (serv.man5) service manuals if exist.