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LM2889 Scheda tecnica(PDF) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Il numero della parte LM2889
Spiegazioni elettronici  LM2889 TV Video Modulator
PDF  10 Pages
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Produttore elettronici  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM2889 Scheda tecnica(HTML) 3 Page - National Semiconductor (TI)

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Design Characteristics (AC test circuit VSe12V)
Parameter
Typ
Units
Sound Modulator Audio THD at g25 kHz Deviation VIN must be 1 kHz Source
08
%
Demodulate as Shown in
Figure 1
Sound Modulator Input Impedance (Pin 1)
15
kX
Sound Modulator Bandwidth
100
kHz
Oscillator Supply Dependence Sound Carrier RF
See Curves
Oscillator Temperature Dependence (IC Only)
Sound Carrier
b
15
ppm C
RF
b
50
ppm C
RF Oscillator Maximum Operating Frequency (Temperature Stability Degraded)
100
MHz
RF Modulator
Carrier Suppression (Adjust Video Bias for Minimum RF Carrier at nOUT
30
dB
and Reference to nOUT with 3V Offset at Pins 10 and 11 See Applications
Information RF Modulation Section)
358 MHz Differential Gain
5
%
Differential Phase
3
degrees
25V Vp-p Video 875% Mod
Output Harmonics below RF Carrier
2nd 3rd
b
12
dB
4th and Above
b
20
dB
Input Impedance Pin 10 Pin 11
1 MX
2 pF
AC Test Circuit
TLH5079 – 2
3



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