Fm/if amplifier/demodulator circuit tda1576t, Fig.5 detuning input impedance, Fig.6 detuning curve – Philips TDA1576T User Manual
Page 10: Fig.7 detuning output, Fig.8 internal audio attenuation
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1998 Nov 18
10
Philips Semiconductors
Product specification
FM/IF amplifier/demodulator circuit
TDA1576T
Fig.5 Detuning input impedance.
handbook, halfpage
MEH144
I12
I12
Ri
V9, 12
Fig.6 Detuning curve.
handbook, halfpage
−
1.2
−
0.8
−
0.4
0
0.4
0.8
V13/V14
1.2
V9, 12 (V)
1
MEH145
0.5
0
Fig.7 Detuning output.
handbook, halfpage
0
2
4
I13
(mA)
6
V13 (V)
1
0
MEH146
0.5
|V9, 12|
1.2
1
0.5
0
Fig.8 Internal audio attenuation.
handbook, halfpage
0
0.1
0.2
α
Vo
(dB)
0.3
V13 /V14
0
MEH147
−
20
−
40
−
60
−
80
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