TDA1576 データシートの表示（PDF） - Philips Electronics
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TDA1576 Datasheet PDF : 16 Pages
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Philips Semiconductors
FM/IF amplifier/demodulator circuit
Product specification
TDA1576
40
handbook, full pagewidth
Vo
(dB)
20
0
−20
S+N
MGE462
∆f =
±75 kHz
±40 kHz
±15 kHz
−40
−60
−80
1
N
10
102
103
104
105
Vi (µV)
106
Fig.6 AF output voltage level as a function of IF input voltage; VP = 15 V; fm = 400 Hz; B = 250 Hz to 16 kHz;
QL = 20; C8−9 = 6.8 nF.
4
handbook, full pagewidth
V13
(V)
3
2
1
V14 = 0 V
I14 = 0 V
=1V
V 14
=2V
V 14
=3V
V 14
MGE463
0
1
10
102
103
104
105
106
Vi (µV)
Fig.7 Voltage at field strength indicator output (proportional to V12); R13 = 3.6 kΩ.
1998 Nov 18
9
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