JAC HFC4DA1-2C - Page 335

AV
AV
AV
AV Audio/
Audio/
Audio/
Audio/ Video
Video
Video
Video System
System
System
System
-
- 127 -
-
Specification
Specification
Specification
Specification
Basic
Basic
Basic
Basic parameters
parameters
parameters
parameters of
of
of
of audio
audio
audio
audio system
system
system
system
1. Operating condition and performance parameter:
I tem R ange T ypical Value
O perating voltage DC 10.8V ～ 16V 12V
O perating temperature -20 ℃ ～ 70 ℃ /
S torage temperature -40
℃ ～
80
℃
/
R elative humidity 40% ～ 93% /
A tmospheric pressure 86KPa ～ 106KPa /
2. AM technical data:
I tem U nit P erformance Parameter
Frequency range KHz 531
～
1629
Intermediate frequency KHz 455 ± 5
S/N sensitivity dBuV ≤ 40
S/N ratio dB ≥ 40
Selectivity dBuV ≥ 40
Intermediate frequency rejection ratio dBuV ≥ 50
Image rejection ratio dBuV ≥ 60
Automatic gain control dBuV ≥ 40
Maximum output power W ≥ 10
Distortion % ≤ 3
3. FM technical data:
I tem U nit P erformance Parameter
Frequency range MHz 87.5
～
108
Intermediate frequency MHz 10.7 ± 0.3
S/N sensitivity dBuV ≤ 12
-3dB amplitude limiting dBuV ≤ 10
S/N ratio dBuV ≥ 50
Intermediate frequency rejection ratio dBuV ≥ 65
Image rejection ratio dBuV ≥ 50
AM rejection ratio dBuV ≥ 35
Selectivity dB ≥ 20
Search sensitivity dBuV 14
～
24
Channel s eparation L/R dB ≥ 25
Distortion % ≤ 2
Overload distortion % ≤ 5
Maximum output power W ≥ 15W
Stereo S/N r atio dB ≥ 46