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TDA5667-5 Datasheet, PDF (10/22 Pages) Siemens Semiconductor Group – Video Modulator for FM/AM-Audio | |||
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TDA 5667-5
AC/DC-Characteristics (contâd)
TA = 25 oC; VS = 12 V
Parameter
Symbol
Limit Values
Unit
min. typ. max.
Test
Condition
Test
Circuit
Switch-on, warm-up drift of oscillator frequency; TV-value of capacitor in audio oscillator circuit
is 0, the drift is only based on self-heating of component
Audio signal
frequency deviation
AM-Audio
â fA/OSC
â fA/OSC
5
15
kHz TA = const.;
1
5
10
kHz VS = 10.0-13.5 V; 1
Qu = 25
AM-mod. factor
m
20
30
40
%
VAF = 45 mVrms 9
AM-mod.; total
THDAM
harmonic distortion
0.5 3
%
m = 80%;
9
VAF = 117 mVrms
fAF = 1 kHz
Audio preamplifier Z16
25
50
75
kâ¦
1
input impedance
AM-audio modulator VAF
input voltage
Residual carrier FM; â f
AM-operation
FM-Audio
132
mVrms m = 90%;
9
fAF = 1 kHz
20
Hz
without AM-audio 1
signal QU = 25
FM-mod.; total
THDFM
harmonic distortion
0.6 1.5
%
V1 = 150 mVrms 9
FM-mod.; static
â fA/OSC ± 150 ± 210 ± 270 kHz
âVAF = V1-V2 =
1
mod. characteristic
±1V
FM-mod.; dynamic â fA/OSC/ 0.25 0.32 0.39 kHz/
1
mod. characteristic âVAF
mV
Audio preamplifier Z1
200
kâ¦
1
input impedance
(dynamic)
Semiconductor Group
10
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