Harman Kardon HK 3490 - Page 43

NJL31H/31V/32H/33H/34H000A
-
4
-
Ver.2004-08-27

RECOMMENDED APPLICATION CIRCUIT
RC Filter should be connected closely between Vcc pin and GND pin.
Transmission Distance vs. Temperature
(Vcc=3.3V)
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
-40 -20 0 20 40 60 80 100
Ambient temperature Ta(°C)
Relative Transmission Distance
1
2
47uF
47
Ω
Vcc
3
1:OUT
2:GND
3:Vcc
Transmission Distance vs. Carrier Frequency
(Vcc=3.3V, Ta=25°C)
0.5
0.6
0.7
0.8
0.9
1.0
24 26 28 30 32 34 36 38 40 42 44 46 48 50
Carrier Frequency (kHz)
Relative Transmission Distanc
e
fo=36kHz fo=38KHz fo=40KHz
harman/kardon
HK 3490/230 Service Manual
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