參數(shù)資料
型號： TUA4307
廠商： INFINEON TECHNOLOGIES AG
元件分類： 接收器
英文描述： AM/FM, AUDIO SINGLE CHIP RECEIVER, PQFP80
封裝： MQFP-80
文件頁數(shù)： 31/48頁
文件大?。?/td> 952K
代理商： TUA4307
Reference
5 - 6
TUA 4307
Wireless Components
Specification, September 1999
Table 5-3 AC/DC Characteristics with Tamb 25 °C, Vs = 8.5 V (continued)
Parameter
Symbol
Limit Values
Unit
Test Conditions
L
Item
min
typ
max
AGC current FM
I26
0
0.1
mA
V42,43=50mVrms
Vm=0.7V
112
AGC voltage AM
V25
0
0.5
VV42,43=0
113
AGC voltage AM integrator
V40
67.5
VV42,43=0
114
Integrator Current
I41*- 12
- 25
- 46
AV
42,43=0 Vm=4.8V
115
Integrator Current
I41*+15
+30
+50
AV
42,43=60mVrms
Vm=4.8V
116
Integrator Current
I41*+50
+70
+90
A
V42,43=150mVrms
Vm=4.8V
117
Prestage AGC threshold
volt.
V30FM
3.6
V
118
*) Integrator currents are measured between the output pin (- Pole of the measurement equipment)
and a voltage source Vm (+ Pole)
2.FM Demodulator
Measuring condition:
fiIF=10.7 MHz; f= ±75 kHz; fmod= 1 kHz;V11 =10 mVrms ; V52=open; Deemphasis= 100 s
Fieldstrength dynamic range
V79
66
72
dB
see Diagram D1
1
Fieldstrength nonlinearity
V79
±1
dB
see Diagram D2
1
Fieldstrength temperature
drift
V79
±3
dB
see Diagram D3
1
Fieldstrength load
capacitance
50
pF
s
Fieldstrength load resis-
tance
1
k
s
Fieldstrength voltage
V79
4
4.6
5.2
VV11=200mVrms
1
Fieldstrength voltage
V79
1.5
1.9
2.3
VV11=1mVrms
1
Fieldstrength voltage
V79
0
1
VV11=0mVrms
1
AF-output voltage
V68
450
550
650
mVrms
RL>10k;
Deemph.=100
s
12
AF-output voltage
V68
650
mVrms
RL>10k;
no Deemph.
s
3
Input voltage for
limiter threshold
V11
33
45
V
rms
V68=V68 - 3dB
14
Total harmonic
distortion
THD68
0.4
0.8
%
15
AM-suppression
aAM
70
80
dB
m=30 %
16
Signal-to-noise ratio
aS/N
72
80
dB
17
AF mute
aAF
14
17
20
dB
V70=0; V71=open
18
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