FS: 04/93
Page 19
2.FM Demodulator
Measuring condition:
fiIF=10.7 MHz; f= ±75 kHz; fmod= 1 kHz;V7 =10 mVrms
V44=open; Deemphasis= 100 s
1
Field strength output
V63
-dynamic range
see Diagram D1
1
66
72
dB
-nonlinearity
see Diagram D2
1
±1dB
-temperature drift
see Diagram D3
1
±3dB
-load capacitance
50
pF
-load resistance
1
k
V63
V7=200mVrms
14
4.6
5.2
V
V63
V7=1mVrms
1
1.5
1.9
2.3
V
V63
V7=0mVrms
10
1
V
2
AF-output voltage
V58 FM
RL>10k; Deemph.=100 s
1
400
500
600
mVrms
3
AF-output voltage
V58 FM
RL>10k; no Deemph.
Lab
600
mVrms
4
Input voltage for
V7
V58=V58 FM - 3dB
1
33
42
V
rms
limiter threshold
5
Total harmonic
THD1
11.2
%
distortion
6
AM-suppression
aAM
m=30 %
1
70
80
dB
7
Signal-to-noise ratio
aS/N
172
80
dB
8
AF mute
aAF
V59=0
1
101214
dB
Multipath detector
f57=200 kHz
10
Attack current
I1 *)
V64AC=1Vpp , Vm=5.0 V
1
600
800
1000
A
11
Recovery current
I1 *)
V64AC=0; Vm=3.6 V
1
- 6
- 9
-12
A
12
Start voltage
V2Def
V57AC=0V
1
4.4
4.7
V
13
Detector characteristic V2
f57=25kHz; V57=100mVpp
1
V2Def-0.14V V2Def-0.1VV2Def-0.07V V
14
Detector characteristic V2
f57=200kHz; V57=100mVpp
1V2Def-1.8V V2Def-1.6V V2Def-1.4V V
*) Integrator currents are measured between the output pin (- Pole of the measurement equipment)
and a voltage source Vm (+ Pole)
SIEMENS AG
IC-SPECIFICATION
TUA 4300 G
–––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
AC / DC Characteristics
AC / DC characteristics involve the spread of values guaranteed within the specified supply voltage and ambient
temperature range. Typical characteristics are the median of the production.
#
Parameter
Symbol
Test
Min
Typ
Max
Units
Conditions
Circuit
–––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
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HL DOK
V66047-S695-G100-G1
12.11.96